Ameritron al 811h modifications

Ameritron al 811h modifications



Kevin w2kjm 716-907-0386AMERITRON AL-800H HF AMPLIFIER Compact powerhouse. Search Search W8JI AL-811H Tuning Guide Don't exceed 750ma plate current or 200ma grid current. FULL POWER LINEAR AMPLIFIER INSTRUCTION MANUAL The Ameritron AL-82 is a 1500 watt output linear amplifier that operates from 160 through 15 meters. in fort payne, al is your albertville and rainsville gmc and buick dealer alternative. if you do for 26. It operates in class AB2 for SSB and CW. b y Bob Hutchinson, N5CNN. The Ameritron AL-811 power supply is built tough so you get peak performance year after year. AMERITRON AL-800H HF AMPLIFIER Compact powerhouse. This is an Ameritron AL-811 H amplifier. OpenBCM V1. Page 1. It is on mods. AL811H, highest peak power, in sidebands with normal voice modulation at 700 watts PEP with fresh tubes on worse band, ten meters. Dentron Clipperton L modification. AL-811H LINEAR AMPLIFIER FEATURES The AL-811H is a grounded grid linear amplifier developed by Ameritron using low cost 811A power triodes. com The Ameritron AL-811H is an attractive choice as an entry level amplifier for the low budget amateur operator. This policy, no doubt, helps keep manufacturing cost down. com/al811h. Has NEW top cover and and bound manual. 85 August 2003 £2. Al811h amplifier myths, changes, and information, Modifications and service of al811 amplifier ameritron al811h, highest peak power, in sidebands with normal. Only the Ameritron AL-811H gives you four fully neutralized 811A transmitting tubes. 2. 0 mods are useful because I had heard that future generations of the AL-811H were going to have these mods installed by MFJ/Ameritron. Manuals for Ameritron This is the manuals page for Ameritron. D autres modifications, que l on qualifiera de mineures, ont été apportées : c est par exemple le cas de l éclairage du panneau avant, qui peut maintenant être commandé par la présence d un signal ouvrant le squelch. 2011 Amateur Radio Catalog. pdf: 362 217: Astatic_1104C_user. jpg attachment. View and Download AMERITRON AL-82 instruction manual online. AMERITRON AL-800H HF AMPLIFIER Compact powerhouse. Been waiting for someone to say how they placed. Just asking as they are now part of the MFJ catalogue, what's the quality like? Was looking at an AL811H. AL-82_TunedInputChassis, 0. Ameritron AL-811H Pdf User Manuals. Ameritron AL-811H 800W HF Amplifier - 4 x 811A Tubes, 120V Only the AMERITRON AL-811H gives you four fully neutralized 811A transmitting tubes. 43. net/ehamforum/smf/index. I just recently passed my advanced theory, and finally got my new callsign – I chose VK2FRO (yes, the fro bit is extremly rude!). com. 95 Buy It Now 2d 5h. AMERITRON AL-811H HF POWER LINEAR AMPLIFIER INSTRUCTION MANUAL The Ameritron AL-811H is an economical 800 watt PEP output linear amplifier that operates reliably from 160 through15 meters. The 811 and 811H work great on 11 meters. $7. net. V18-Nov-2015 . get your buick or gmc vehicle serviced from our technically advanced service center. 0000FFhttp://f8khr. " Ameritron AL-811H Product Reviews - eHam. Fast Warm Up Time: The 811A tubes take approximately 10 seconds to warm-up. 500, you should be able to have acceptable swr on all 3 bands maybe just a bit lower output, 500 on the 811 & 700 on the 811h. 1989 honda crx hf review. a tuning capacitor and a roller inductor. These radios probably don't have enough to drive th Collins 30L-1 Amp I bought my 30-L1 locally for about $200 less than a new Ameritron AL-811H and about $250 more than a used Heath SB200 – and no shipping (or shipping damage). AMERITRON AL-811H Linear Amplifier with 10-12 Meter Modification. Current price: $2,999. 800 watts PEP. • Tube Type –811, 572B, 3-500Z, 4CX1000 Pleasures and Pitfalls of Linear Amplifiers 4 Ameritron AL-811H tube selection - This article examines the performance of the Ameritron AL-811H amplifier with the supplied 811A tubes and with 572B tubes, and details a procedure for replacement of existing tubes. we also carry new and used cars, trucks, vans, and suvs. AL-80B Amplifier pdf manual download. ask. 235. foundation of this astrology prediction software was created with the help of astrologers’ team having 20 years to 45 years of rich and extensive experience in horoscope reading devan lowe inc. It’s perfect for AMERITRON’s best selling 800 Watt AL-811H or 600 Watt AL-811 amplifiers. A simple modification will allow operation on frequencies above. 00 2 Bids 5h 58m. Ameritron's extended warranty plan is the same as the original warranty, just extended for the amount of months described on your purchase invoice. Modifications to the Ameritron AL-1200 Amplifier. 1. ameritron. The 811H also has a built in neutralization circuit. The 572B is just a more rugged version of the 811a's. Ameritron AL-811H 800W HF Amplifier - 4 x 811A Tubes, 120V. com I have a Ameritron AL-811 that has been converted to use 572B tubes. 1000 watt PEP Linear Amplifier. This is "Tuning the Al-811H Amplifier" by burt fisher on Vimeo, the home for high quality videos and the people who love them. 3 - 4. Ameritron AL-82 1500W Dual 3-500Z Linear Amplifier. 10 Meter mod kit, for ALS-600 (Serial Numbers 12522 and above) US customers: we need a copy of your FCC licence when placing this order. . Tuned input provides excellent load for any rig A Pi-Network tuned input provides a 50 ohm load for your rig. 4z4rb (25) 4z4rb Hand Made (2) Al-811 (5) Al-811h (4) just like the originals with the proper tank circuit modifications. Call/Web AL-800H 1. Modifications and service of AL811 amplifier Ameritron. Ameritron HF Power Amplifiers are the most popular HF amplifiers in the world! Ameritron leads the industry with time-tested designs that offer the best value for Amateur Radio operators and HF experimenters everywhere. 95. eham. 30. 95. 07b12 (Linux) Packet Radio Mailbox: DB0FHN [JN59NK Nuernberg] Login: GUEST AMERITRON AL-811H HF POWER LINEAR AMPLIFIER INSTRUCTION MANUAL The Ameritron AL-811H is an economical 800 watt PEP output linear amplifier that operates reliably from 160 through15 meters. . When he switched on the amplifier a flashover occurs and smoke Did Ameritron ever cut any upgrades by SN? Mine is 22339 and was wondering if there are any mods I need to incorporate. Index. 0. on this website astrology predictions and calculations are forecast using automated software, system. Good value. 86. High-voltage ceramic feedthru insulators let you operate high power into balanced feedlines. The amplifier uses the rugged 3CX1200 tube and features instant-on operation. Bonsoir, Récemment notre Radio-Club vient de faire l'acquisition d'un Ampli HF Améritron Al 811H d'occasion. All Band Operation: Covers 160-15 Meters including WARC bands. Current price: $919. All four tubes light. 00. The modern components are rated to deliver Since the AL-811H amplifier was initially designed, vacuum tube This modification improves reliability of the amplifier by directly grounding the grids. Update 10/11/2008 - AL-811HD. low loss and MFJ’s exclusive Self-Resonance KillerTM that eliminates damaging self-resonances. My current linear amplifier is the Ameritron AL-1200, which replaced an Ameritron AL-811H. php?topic=113758. Rep8ir A repair may sometimes be equivalent Co a modifIcation. This is a great little amplifier and just a step above the AL-811 which is a great starter amplifier. weebly. I made the change to mine as shown in the picture. com ham radio guide Looking to get my first tube amp to drive with some older radios: colt midnite special, sonar fs 2340, dak 10 and tram titan 2. Only at eHam. The file contains 113 page(s) and is free to view, download or print. Apr 12, 2012 Well I opened newly obtained but heavily used AL-811 and look what I found inside! Former owner mentioned he did switch bands in the Page 1. Would recommend. Everything is soldered. Upgrading to the AMERITRON 811H (CXE) I use now the MFJ-998 tuner. It operates in The Ameritron AL-811H is an attractive choice as an entry level amplifier for the low budget amateur operator. ive just got a new ameritron al 81x(export version 240 volts) and i want to change it to 120 volts. Heavy Cover Ring Bound. After a lot of discussion by several owners in the Ameritron forum at Yahoo W8JI (Tom) said he would take a look at a late model amplifier to see what was going on. Follow at your own risk. You will also find many new articles and equipment modifications that haven't been published. View and Download Ameritron AL-80B instruction manual online. The place to talk about specific amateur radio equipment and all types of accessories, fixes, repairs and modification. I have the flex 6300 and the Amp is Ameritron 811H So, can I safely add the ARB 704 without changing anything in the radio. PA1TM Ameritron 811h. It employs a single 3-500Z tube and is designed to produce up to a kilowatt of signal in SSB service on the ham bands. The AL-811 will operate with full output on all WARC bands except 24. Occasionally AL811amplifiers (three tube versions) have been reported to Modifications and service of AL811 amplifier Ameritron. AMERITRON AL-811 H Linear Amplifier - $590. 4 MHz output filter modification discussed below. Ameritron does not use quick disconnects or Molex plugs in this amplifier. Demonstrating tuning and operation of the Ameritron AL-811H. 85 WIN! antenna matching unit kit portable & fun the FT-897 portable & fun the FT-897 inside catch the DX on 20! inside catch the DX on 20! review review PW cover Aug 2003 18/6/03 4:16 pm Page 1 BRAND NEW ! ! ! A few months back I purchased a new Ameritron AL-811 600 watt amplifier. Jul 15, 2013Mar 6, 2017The Ameritron AL-811H is an attractive choice as an entry level amplifier for the low budget amateur operator. ANTENNES Philips, Atlantic, Jura, Mediator, NSF, Radiola, Siera, Tenor Philips-Accessoires -Blocs-Condos Philips -Documentation Service MSM1 -Legende-documentation -Les marques en Europe et dans le Monde Il y a ici peu de choses à dire, la clé du montage se situant au niveau des tores et de leur fameux coefficient A, facteur d inductance (appelé Al dans les catalogues). W8JI Ameritron AL-811H Modification Photos & Instructions Wireless-girl. pdf: 301 232: ANC-4DS. Ameritron AL-80B – After some time…. 572 x 348 jpeg 65kB. 10 Nouveau : l'AMERITRON AL-1500 André TSOCAS F3TA 107. I have a question for anyone who owns an Ameritron AL-811 amplifier. The site's up time is: 167 ms Call/Web AL-800H 1. Some tubes have indirectly heated cathodes, which is another part of a tube, that emit electrons, instead of the filament. The AL-811H is a grounded grid linear Amplifier developed by Ameritron using low cost 811A power triodes. You get absolute stability and superb performance on higher bands that can't be matched by un-neutralized tubes. AMERITRON AL-1500 FULL POWER LINEAR AMPLIFIER INSTRUCTION MANUAL The Ameritron AL-1500 is a 1500 watt output linear amplifier that operates from 160 through 15 meters. Be heard! Work DX and ragchew with anyon I have the flex 6300 and the Amp is Ameritron 811H So, can I safely add the ARB 704 without changing anything in the radio. W8JI Ameritron AL-811H Modification Photos & Instructions. 75 x 4 x 10. FULL POWER LINEAR AMPLIFIER. 10A (120V) AC Input: 120V, 50/60 Hz (AL-811H/HY 240V, 50/60 Hz (AL-811HX) Metering Multimeter: reads HV and plate current Grid meter: reads PA grid current Connectors Relay: keys amplifier when grounded. - note - G-G amps are only self-neutralizing below their grid-resonant freq. Life was good for a couple of months until one evening it just "popped. The top really doesn't get that warm at all. net Home - Amateur Radio Ameritron AL-811H product reviews by real people like you. OK, OK. A fellow ham got an Ameritron HL-811H RF amplifier from estate of a deceased colleague. Join Details about Ameritron AL-811 600W HF Linear Amplifier. com The Ameritron AL-811H is an attractive choice as an entry level amplifier for the low budget amateur operator. com 10 meter modification for the ameritron al 811 and al 811h amplifier this mod apply to other ameritron al series rf amplifiers and allow extension to 10 and 12 meters band . The fellow posting the repair stated that when keying this amp there should be no current showing on the grid meter (no power from exciter just using radio to key amp). It’s only 4 dB below 1500 Watts. Repair on a Ameritron 3- tube 811 that someone converted to a 4- 572B. 29. Dxzone. I put a grid overprotection circuit in mine (GOP-100 from Ameritron for $40) that kicks the amp into standby if grid current exceeds 190ma. I’ve now tuned the amp at a few points in each band into a dummy load. While surfing the net killing time I stumbled onto a "repair" for the AL-811H amp. AL-1200_TunedInputChassis, 0. AL-811H modifications - eHam www. No modifications are Ameritron 10 meter mods pdf Nokia Finland should give more attention to. Ameritron AL-811H Amplifier. 00. Ameritron decided to double the number of diodes used in the PIN diode receive switch by replacing each original diode with two diodes in series, with a 1 Mohm equalizing resistor across each one. com/support. Dentron GLA-1000 conversion, modification with 4 × PL-519 or 2 × GI One of the more popular amplifiers these days is the four tube, Ameritron 811H (and the 811 3 tube model). Oct 23, 2010 · Change al-811H to 240V Welcome to The Island Of The Misfit Hams! If this is your first visit, you must register before you can post: click the register link above to …Download, Ameritron, Amplifier, Brochures, Owner Manuals, Service Manuals, in Pdf formatAmeritron AL-811H 800W HF Amplifier - 4 x 811A Tubes, 120V. delstaff. Ameritron's Al-811 linear amplifier gives you plenty of power to bust through QRM. This amp will go further and deliver 400 watts for 30 minutes key-down so it’s ideal for full legal power in the UK. As a new owner of an Ameritron AL-811H, the answer to this question was clearly NO! I operate AM as well as SSB, and the quiet but puny "Mishina" cooling fan was rather unimpressive on air flow volume (CFM), but to be fair, it was very, very quiet and pleasing to listen to! It's perfect for Ameritron's best selling 800 Watt AL-811H or 600 Watt AL-811 amplifiers! MFJ-962D is new and improved! New features include MFJ's AirCore Roller Inductor, new aluminum-skirted knob set including a weighted deluxe spinner knob, ultra compact size (10. 15 meters. Apr 12, 2012 Well I opened newly obtained but heavily used AL-811 and look what I found inside! Former owner mentioned he did switch bands in the Modification to AL811 (and other 572/811 amplifiers with standby stability issues) . The "Bypass Control" protects my amplifier against high SWR. The Ameritron advantage: Extra heavy duty power supply gives you peak performance year after year The heart of the AL-811 power supply is its heavy duty power transformer with high silicon steel core weighing a hefty 17 pounds. Looking at an amp online, I saw this text in the description: AL-811H amplifiers cover all HF bands, 160 through 15 meters. I acknowledge that these indirectly heated cathode, metal ceramic jobs have merit even though they don't light up and don't make good heat for winter time use. The Ameritron AL-811H is an economical 800 watt PEP output linear amplifier . Following up after a couple of weeks and revised after a couple of months. These amplifiers are NEW in that they have never been on the air; the > > john John, prior to building the KPA100, I used the amp keying kit with my AL-811H with no problems at all. This is a near legal limit amplifier that can put out 1000 watts on CW and 1300 watts on SSB (0. Al-811h Service Manual Total Posts: 0, I just recently purchased an Ameritron AL-811h Amp with an Ameritron Interface ARB-704 and a Antenna Tuner from MFJ-986. •Modifications •Soft-start --better tube life AEA LA-30 AMERITRON AL-80B Microsoft PowerPoint - Pleasures and Pitfalls of Linear Amplifiers 4-8-10 FINAL For Sale - AMERITRON AL-811H AMPLIFIER | QRZ Forums. Ciao Simone, sono Renato IZ0HLY e ho anche io l’Ameritron AL-811 versione senza l’espansione dei 10 e 12 metri, leggendo di quà e di la ho trovato la tua modifica, e te ne ringrazio, ma la figura con le spiegazione è molto piccola e non riesco a mettere a fuoco il tutto, e prima di operare vorrei capire bene tutto onde evitare danni, saresti cosi gentile da inviarmi un file formato A AMERITRON AL-811H Linear Amplifier with 10-12 Meter Modification Smooth vernier reduction drive tuning. QSK 2500 automatically disables the ring channel at power up if it is found to be shorted to Interface to Ameritron AL-811H amplifier AL-811H LINEAR AMPLIFIER FEATURES The AL-811H is a grounded grid linear amplifier developed by Ameritron using low cost 811A power triodes. Newest Projects - Added within the past year or so. The main category is Ameritron AL-811 and AL-811H HF Amateur Radio RF power amplifier that is about Ameritron AL-811 and AL-811H …I’ve recently un-mothballed my Ameritron which has seen good service and delivers 200 watts for 10w drive – ideal for PSK31 and other low-power digital modes. It operates in Ameritron AL-811H HF Amplifier - Page 1 [ Home ] [ Ham Radio Equipment for Sale ] [ Ham Radio Is ] [ Interests ] [ Ham Radio Resources ] My first ever HF power amplifier is the Ameritron AL-811H which I picked up used and which needed a little work before it would be operable. Fully assembled the replacement board it is the total cost of the board,parts,assembly and This is "Tuning the Al-811H Amplifier" by burt fisher on Vimeo, the home for high quality videos and the people who love them. The modern components are rated to deliver Since the AL-811H amplifier was initially designed, vacuum tube This modification improves reliability of the amplifier by directly grounding the grids. The AL- 811H uses four 811A tubes in a class AB2 grounded grid circuit. See Details. 84. Radio Equipment/HF Amplifiers/Ameritron AL-811H : 10/12 meter Mod for Ameritron 811 New Links Popular Top Rated Add a Link Modify 10 meter modification for the Ameritron AL-811 and AL-811H amplifier. php?productid=AL-811HProduct Support for AL-811H Description, Size. The third image shows the same amplifier behaving normally at 600 watts output (SSB) after applying the 2. The modern components are rated to deliver reliable, effective HF communications power levels if operated within their specifications. Ameritron 811H Подскажите, есть ли какая методика настройки входных контуров в этом усилителе?? alpha telecom: linear kenwood tl-922 fuÇado e queimando fusÍvel alpha telecom: linear ameritron al-811h troca de vÁlvulas e revisÃo alpha telecom: yaesu fl-2100z troca de vÁlvulas, chave de bandas e revisÃo geral alpha telecom: icom ic-756proiii sem backlight e problemas diversos alpha telecom: kenwood ts-950sdx Áudio distorcido kenwood Untitled - Vintage Manuals advertisement NOTICE: This catalogue is produced for the convenience of our customers who may not have Internet access on a regular basis or who wish to have a printed listing of our manuals. Only the AMERITRON AL-811H gives you four fully neutralized 811A transmitting tubes. Adding a 630mA fuse in series with a 15Ω resistor in the HT anode power supply to protect PSU and other valves in the event of a valve short. txt) or read online for free. At a price of US$300 higher than the AL-811H, it may / should have more than just a different set of tubes. We addressed some issue with the amp. Selling new and used amateur and shortwave radio equipment since 1942 August 2003 £2. hf driver 1, hf radio usa patriot, hf manpack ord, multiple antenna for hf, hf 223, large hf rf amplifiers. This is my first post in homebrew, so be gentle with me. com/youtube?q=ameritron+al+811h+modifications&v=WwJF2hYDMY0 Oct 8, 2016 WARNING: Working on amplifiers is very dangerous, take extreme caution. 80. AL-80A, 0. A fellow ham got an Ameritron HL-811H RF amplifier from estate of a deceased colleague. 1 RM Italy HLA-305V HF Amplifier Test Report By Adam Farson VA7OJ/AB4OJ P. 4, 811As have 800Ωs of feedback XC at 95MHz and their grids resonate c. After one of my stock tubes shorted out (cause unknown) I ordered a matched set of Taylor 572B s. Uses 4 811A tubes but this one has the heavier duty 572B's instead. Oct 23, 2010 · Change al-811H to 240V Welcome to The Island Of The Misfit Hams! If this is your first visit, you must register before you can post: click the register link above to …AL-811H LINEAR AMPLIFIER FEATURES The AL-811H is a grounded grid linear amplifier developed by Ameritron using low cost 811A power triodes. Bill Ameritron's extended warranty plan is the same as the original warranty, just extended for the amount of months described on your purchase invoice. The mods were obtained from Ameritron. Using IP address 46. Occasionally AL811amplifiers (three tube versions) have been reported to Modifications and service of AL811 amplifier Ameritron. 81. I opened it up to clean the dust off of the tubes and oil the fan. Uses 4 811A tubes but this one has the heavier duty 572B's instead. 99 AL-1500 1. These items are not available for export. Watch video · This is "Tuning the Al-811H Amplifier" by burt fisher on Vimeo, the home for high quality videos and the people who love them. Four 811A Tubes: Uses four rugged, fully neutralized low cost 811A PA tubes. You get a quiet desktop linear that's so compact it'll slide right into your station -- you'll hardly know it's there until QRM sets in. Long Tube Life: The 811A tubes are long life, reliable transmitting tubes. Neutralized for better performance on higher bands. Know how the tubes are made. 5. 75MHz (KM1H) so there's enough feedback to allow them to oscillate at their parasitic anode resonance of 95MHz. The left side is the only vent for the fan to draw air past the tubes and out the back on the right side. 875 inches) and scratch-proof multi-colored Lexan Ameritron AL-811H 800W HF Amplifier - 4 x 811A Tubes, 120V You get absolute stability and superb performance on higher bands that can’t be matched by un-neutralized tubes. ARD HF (ham freq) RADIO AMPLIFIER with three Eimac 3CX800A7 tubes FOR SALE is a package of components for the Advanced Radio devices 230-M amplifier which uses THREE Eimac 3CX800A7 triodes amp tubes (included - new - not in original boxes) The ARD 230M amps whi Liste des services proposés par le Club : Pierre F6IJI éditera une liste des services et chacun apportera ses modifications éventuelles. board in a AL-1500,AL-1299,AL-82 series of linear amplifier. When he switched on the amplifier a flashover occurs and smoke Did Ameritron ever cut any upgrades by SN? Mine is 22339 and was wondering if there are any mods I need to incorporate. I've run a Ranger 811H self modded with 572B valves now for over twelve years and it …Including: ameritron adl 2500, ameritron al 80b, ameritron al84man, ameritron al 572, ameritron al 800, ameritron al 800h, ameritron al 811, ameritron al 811h, ameritron als 500m, ameritron arb 700, ameritron arb 702, ameritron arb 702i2, ameritron arb 702i, ameritron atp 100, ameritron atp 102, ameritron atr 30, ameritron awm 30, ameritron icp AL-811H LINEAR AMPLIFIER FEATURES The AL-811H is a grounded grid linear amplifier developed by Ameritron using low cost 811A power triodes. The 572B is just a more rugged The Ameritron AL-811H is an attractive choice as an entry level amplifier for the low budget amateur operator. More power does not seem sensible when considering that HV transformer is used in both AL-811A with 3 × 811A and AL-811H with 4 × 811A! FINALLY After mounting all modifications the power was measured with a Bird watt meter , 2500H ( 2. Page 82 More hams use Ameritron AL-811 amplifiers than any other amplifier in the world . 88, Buy It Ameritron Amplifier Manuals Library * CDROM * PDF. ameritron al 811h modificationsModification to AL811 (and other 572/811 amplifiers with standby stability issues). It is my understanding that these mods could be made to many of the Ameritron amplifiers, and even Amateur Radio linear amplifiers made by other companies. AMERITRON AL-811 XCE £799 C 6 Practical Wireless, January 2004 Hotel close to the Kennedy Space Centre to discuss modifications. Download, Ameritron, Amplifier, Brochures, Owner Manuals, Service Manuals, in Pdf format As a new owner of an Ameritron AL-811H, the answer to this question was clearly NO! I operate AM as well as SSB, and the quiet but puny "Mishina" cooling fan was rather unimpressive on air flow volume (CFM), but to be fair, it was very, very quiet and pleasing to listen to! AMERITRON AL-811 H Linear Amplifier - $590. org/index. I think it needs a bigger transformer to supply the tubes. 5 kW element, insert, slug, turret) and Bird dummy load. 10/12 meter Mod for Ameritron 811 - 10 meter modification for the Ameritron AL-811 and AL-811H amplifier. 48. RE: AL-811H modifications « Reply #4 on: February 26, 2017, 09:06:25 AM » It is my understanding that the W8JI mods are useful because I had heard that future generations of the AL-811H were going to have these mods installed by MFJ/Ameritron. 69. TOF Tuning Aid · AL811H Grid Circuit Mods · AL-811 cooling system mods · Tuning Supplement. 99, Buy It. Des séances d’informations et de formations vont être mises en place par Jacques F5ULS. C $1,389. I have read here and there about the poor quality of the tubes that are installed by Ameritron and it appeared the Taylor tubes were receiving good reviews. 68. Если это ваш первый визит, читайте справку по форуму. The AL-811H top part of the cover of the amp is solid, so no convection going on there. When I got it it would only do 100 watts so I replaced the tubes, let it sit on stand by for a day and then it would do 800 watts for a while. I acknowledge that these indirectly heated cathode, metal ceramic jobs have merit even though they don't light up and don't make good heat for winter time use. This is a new circuit board it`s design to replace the existing capacitor and diode/rectifier "Daughter board"that is mounted above the cap. This gives a total of eight diodes is series for the PIN diode receive switch The Ameritron AL-811 is a budget Linear Amp and delivers 600 Watts. Ameritron AL-811h Linear Amplifier. Get YouTube subscribers that watch and like your videos Ameritron AL-811H 800W HF Amplifier - 4 x 811A Tubes, 120V Only the AMERITRON AL-811H gives you four fully neutralized 811A transmitting tubes. Ameritron AL-811 Amplifier Manual w/Plastic Covers on Heavy 28lb Paper ! $18. the World’s High Power Leader! AL-811, $749 600 Watts . For the AL-811H, and AL-811, most (non-Ameritron marketing) folks recommend that you do not run at maximum power possible due to the fact that you may be pushing the tube/power supply ratings for these units. 0 average based on 1 product rating. 1024 x 768 jpeg 150kB. [This page describes two modifications I made to my AL-1200 amplifier. 5kw out linear amplifier (8877) Home » Pa0fri. Pa0fri. dk. Of course I use the correct pheonetics when spelling it out over the air. pdf: 91 938 Catégorie de matériel : émetteur-récepteur Opinion : Bonjour à tous Trés bien cet appareil surtous au niveau de l'écran,une fois habitué à l'oscilloscope dur de s'en défaire, d'un coup d'oeil on voit le trafic au alentours . Page 1. When he switched on the amplifier a flashover occurs and smoke Jul 15, 2013 Adding a 630mA fuse in series with a 15Ω resistor in the HT anode power supply to protect PSU and other valves in the event of a valve short. Il faut savoir que A est exprimé de deux façons possibles suivant le matériau du tore. This mod removes the grid resistors and bypass capacitors, and directly grounds the grids. Full output from the tubes used for testing on all bands. We guarantee our MARS/CAP modifications will not void the manufacturer’s warranty for a period of 1 year 1/5(1)AL-811H - Total Radio Service Incwww. The unit was tested for power on only. 99 AL-811H 800w PEP out linear amp (4 811As) 899. The Tubes are easy to find and very reasonably priced if or when I need to replace them. The AL- 811H Witam jak w temacie jeżeli ktoś używa lub używał tego chyba dość popularnego wzmacniacza to proszę o opinie na jego temat chciałbym go kupić AMERITRON AL-811H HF POWER LINEAR AMPLIFIER INSTRUCTION MANUAL The Ameritron AL-811H is an economical 800 watt PEP output linear amplifier that operates reliably from 160 through15 meters. 82. Mar 6, 2017 Ameritron AL-811h Linear Amplifier. 8. Ameritron AL-811 and AL-811H resources. totalradioservice. Conveniently plug it into your nearest 2 AL-811H LINEAR AMPLIFIER FEATURES The AL-811H is a grounded grid linear amplifier developed by Ameritron using low cost 811A power triodes. You get absolute stability and superb performance on higher bands that …AL-811 10 mt mod pictures - The DXZone Amateur Radio Dxzone. Jul 15, 2013 Adding a 630mA fuse in series with a 15Ω resistor in the HT anode power supply to protect PSU and other valves in the event of a valve short. 10 meter modification for the ameritron al 811 and al 811h amplifier this mod apply to other ameritron al series rf amplifiers and allow extension to 10 and 12 meters. 900 & 28. I have connected the Relay and ALC connections to my rig and the amplifer works great except for the ALC protection. And the AL-80B totally blows the AL-811H out of the water. After a simple repair, it worked well but the tubes were a bit soft. $600 shipped to conus address or $500 meet/pick up in San Antonio. It is a more sophisticated amp. net is a Web site dedicated to ham radio (amateur radio). Model - 61 ( Console ): CX322 or UX222 CX322 or UX222 CX322 or UX222 CX112 or UX112 CX112 or UX112 CX371A or UX171A CX371A or UX171A : Rod: Model - 61 ( Kiel Table ) It’s perfect for AMERITRON’s best selling 800 Watt AL-811H or 600 Watt AL-811 amplifiers. From non-smoking shack, works as it should. This can be faxed, mailed or sent as a . Articles & Hints by AD5X. The modern components are rated to deliver Modification to AL811 (and other 572/811 amplifiers with standby stability issues). php/technique Page / 4. 749. r-e-f. It is a solid and very reliable amplifier at peak 700 watts. Go to www. 00 9/1/1999 REAL. The AL-811 has earned a worldwide reputation for legendary quality, AL-811H Output tank circuit with optimum “Q” for …Page 1. This gives a total of eight diodes is series for the PIN diode receive switch Ameritron AL-811 600W HF Linear Amplifier Ameritron Al-811 linear amplifier gives you plenty power to bust thru QRM. Since writing this article in March 2008, Ameritron have advertised a new product, the AL-811HD which is an AL-811 fitted with 4 x 572B and rated at 800W. You get absolute stability and superb performance on higher bands that …AMERITRON AL-811 H Linear Amplifier - $590. on this version the switch is controlled via the selector box. Wireless-girl. - eHam. Good condition Ameritron AL-811H has bright LEDs on the meters, 10/12 meter upgrade and with NEW hv caps and NEW set of matched Matchlett tubes (4). 4. $659. Connecting a AL-811 AL-811 Manual Ameritron AL-811 Mods AL-811 Blows Fuses Ameritron AL-811 Manual Instruction AL-811H www AL-811H Modifications. Drake L-4B Linear Amplifier Harbach Additions NO Power Supply Fully tested and works great! This is a stock L-4B linear amplifier. Change al-811H to 240V Welcome to The Island Of The Misfit Hams! If this is your first visit, you must register before you can post: click the register link above to proceed [in the upper right hand corner]. Hello I have a problem with my Ameritron AL-811H, 8 months old. 5kw PEP out amp (2 3CX800A7) ∆ Call/Web AL-811 600w PEP out linear amp (3 811As) . Here is a picture and notice all the litttle golden mic trophies displayed in the wind shields. 4z4rb (25) 4z4rb Hand Made (2) • Tube Type –811, 572B, 3-500Z, 4CX1000 Pleasures and Pitfalls of Linear Amplifiers 4 Ameritron AL-811H tube selection - This article examines the performance of the Ameritron AL-811H amplifier with the supplied 811A tubes and with 572B tubes, and details a procedure for replacement of existing tubes. Ameritron AL-811 600W HF Linear Amplifier. Remove the green wire grounding the 10 meter tuning pot. After a good amount of research I decided that an Ameritron AL-572 would fit my needs. A chap I know had an Al-811 and it was not very good at all, he did the same and was more than happy. astroresult is an online astrology prediction portal. In the fall of 2009 I acquired an Ameritron AL-80B linear amplifier for my ham radio station. Current price: $1,049. New - Ameritron Linear Amplifier Overlay for AL-82, AL-1200, and AL-1500. com About AL-811 10 mt mod pictures The resource is currently listed in dxzone. It's well made and replacement parts can be bought directly from Ameritron. Universal Radio Inc. Для размещения своих сообщений tube amplifier modifications guitar amplifier serial numbers ameritron al 82 amplifier ameritron 811h amplifier packet radio mailbox f6iqf Search the history of over 341 billion web pages on the Internet. First, AL-811 vs AL-811H, it is not a matter of 200 watts extra, because really the 811H's 800 watts vs the 811's 600 watts won't be heard. Ends: 28d 6h 53m. This makes repair or board replacement by the owner a not quite so easy operation. Pro-Tech wrote:Team Sky Walker was here competing a few weekends ago. 09 MB. Mar 6, 2017 Ameritron AL-811h Linear Amplifier. forward and reflected power in two power ranges. AMERITRON AL-811H Amplifier Manual & Upgrades with. 78. Using 4 pcs original no-name 811As. AL-811H 800W Output Linear Amplifier w/ 4 811A Tubes on 100/110/120V for US View PDF (353684 bytes) AL-811HX 800W Output Linear Amplifier w/ 4 811A Tubes on 200/220/240V for Export View PDF (353684 bytes) Dry Dummy Load Amplifier Amplifier Amplifier 811H,1200,1500 Amplifier Amplifier Amplifier Amplifier Amplifier Amplifier Amplifier Amplifier Keying Isolati Keying Isolati Keying Isolati Tuning Pulser Tuning Pulser Antenna Tuner Antenna Tuner SWR, Wattmeter Inrush,Spike S TR Swit PC Brd Coax Switch Mobile Amplifi Tm 11-5820-256-24p Organizational , Direct Support and General Support Maintenance Repair Tools for Radio Set an-grc 26d (Juli 1977) Catalog Contents : Receivers: Shortwave Portables _ Amateur HF Transceivers _ _ Receivers: Shortwave Tabletop _ Amateur VHF-UHF Mobile _ It’s perfect for AMERITRON’s best selling 800 Watt AL-811H or 600 Watt AL-811 amplifiers. Al 811h Swr Problems Al811 reliability mods al811h amplifier myths changes and information ameritron al 811 hf linear amplifier ht fuse mod m0ukd you al811 Ameritron's extended warranty plan is the same as the original warranty, just extended for the amount of months described on your purchase invoice. A, B, C (4) Ab1 (84) Ab2 (33) Fm / Ssb (2) Other (1788) Brand. Compact Size. As for Ameritron, the AL-811H and the AL-80B are about the only 2 I can use with my 120vac service. Search Search Download, Ameritron, Amplifier, Brochures, Owner Manuals, Service Manuals, in Pdf format W7RY Ameritron Diode and Capacitor replacement board. 5 MHz. 6 dB less than legal limit), can work all bands, and only needs about 70 watts of drive. I think I was able to get something like 200-300w peak with the K2 running wide-open driving the 811H. The mods were obtained from Ameritron, so they are official . TOF Tuning Aid · AL811H Grid Circuit Mods · AL-811 cooling system mods · Tuning Supplement. My amp was purchased used. Reproduction of the complete original factory manual for the Ameritron AL-811H Linear Amplifier. Covers 160-6 Meters and automatically band switches by your transceiver. The user manual is included. Getting 800w PEP with 70w drive isn't a problem at all. Ends: 22d 5h 18m. The AL-811H is a grounded grid linear amplifier developed by Ameritron using low cost 811A power triodes. 700 mhz, center of 24. It minimizes unbalanced currents only if the antenna is perfectly balanced -. Scribd is the world's largest social reading and publishing site. The Ameritron AL-811H is an economical 800 watt PEP output linear The Gemini HF-1K is a solid-state 1kW 1. AL-811H Specifications: Output power: 800 Watts PEP, 600 Watts CW. 2 AL-811H LINEAR AMPLIFIER FEATURES The AL-811H is a grounded grid linear amplifier developed by Ameritron using low cost 811A power triodes. 10 packet radio mailbox f6iqf Search the history of over 341 billion web pages on the Internet. I acquires an Ameritron 811 amp (not working) for a ridiculously small amount. 85. AL-84 Manual The Ameritron AL-811H is an attractive choice as an entry level amplifier for the low budget amateur operator. And like its predecessor it is working accurate and reliable. Ends: 26d 10h 12m. This is an important modification to the AL811H. HF POWER LINEAR AMPLIFIER INSTRUCTION MANUAL The Ameritron AL-811H is an economical 800 watt PEP output linear amplifier that operates reliably from 160 through15 meters. htmOnly the AMERITRON AL-811H gives you four fully neutralized 811A transmitting tubes. The 572B is just a more rugged  Ameritron Al 811 Repairs - Popping, Bulbs, Fan - YouTube www. Apr 16, 2015 · My advice when you do getting it working PX it and buy a Linear Amp UK Ranger 811H. 3 in and found 12 Other Websites on this Server. pdf: 176 854: ANC_4TW8x11a. pdf), Text File (. The site's up time is: 167 ms Search the history of over 342 billion web pages on the Internet. you cut 1 wire for the 10-12 meter mod, you will need to adjust input coil (inside amp)for lowest swr. com for the 10 meter mod. 3. New! Ameritron ALS-606S Solid State 600 Watt Amplifier . Index; Latest items; Top items; Newest videos; Amplifier Class. The Ameritron AL-811 is a budget Linear Amp and delivers 600 Watts. If you care to read the manual, it says: This amplifier is designed to operate at full ratings when it is driven by an exciter that has approximately 70 watts (55 watts for the 3 tube version) of RF output. Readbag users suggest that catalog2-2007 is worth reading. This resource is listed under Radio Equipment/HF Amplifiers/Ameritron AL-811H, at 10/12 meter Mod for Ameritron 811 resource page via dxzone. Ameritron AL-811H Modifications I cannot vouch for everything said on the page and my recommendation is to read it for yourself and make your own conclusions. But when you're "Wheeling & Dealing" with a friend, there was no way I was going to get an AL-80B for the close to the price of the AL-811H I got from him. , seem to blow out meter bulbs every few months. qrz. $26. PACKET RADIO MAILBOX DB0FHN. In addition two gas voltage clamps, GT1 and GT2, are added. The Ameritron AL-811H amplifier is designed for four 811A triode tubes. Conveniently if you do get the Ameritron AL-811H consider greatly the 572b mod listed in my link. LINEAR AMP UK RANGER 811H £895 C AMERITRON AL-82XCE £2595 C BASIC-4 MODIFICATIONS 24 Practical Wireless, August 2003 MPF102 S D Tr4 10n C15 AMERITRON AL-811H HF POWER LINEAR AMPLIFIER INSTRUCTION MANUAL The Ameritron AL-811H is an economical 800 watt PEP output linear amplifier that operates reliably from 160 through15 meters. Bill AMERITRON AL-811H modifications. You get a quiet desktop linear that's so compact that it'll slide right into your station -- you'll hardly know it's there. We have 1 AMERITRON AL-811H manual available for free PDF download: Instruction Manual. Ameritron AL-811H 800 Watt Amplifier - New Conditi Ameritron's Best Selling Amplifier with 800 totally stock, no mods, original owner purchased from dx-engineering. Welcome to the AD5X website! This website contains most of the articles I've written, many of which have been significantly updated from the original published articles. the al811 & 811h mod is SIMPLE. many of the online prediction services are free of charge. In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff. The Ameritron AL-811H is similar to the AL-811, but with four fully neutralized 811A transmitting tubes for 800 watts of power. Regardless of what tube it was, how it was made was the same basic rule of thumb. View online or download Ameritron AL-811H Instruction Manual This is the AL-811's anode's parasitic resonance. com in 1 categories. EXPORT MODIFICATIONS A AL-811H, Feature rich and adequate power. AL-82 Amplifier pdf manual download. New - Ameritron Linear Amplifier Overlay for AL-82, AL-1200, and AL-1500 " PicClick Exclusive W7RY Ameritron AL-82 AL-1200 AL-1500 SB-1000 AL-80 QSK Board Linear Amplifier Lee recommends that if you're considering purchasing a new or used Ameritron AL-811 series linear amplifier from anyone or anywhere to make sure that all necessary upgrades have been properly completed, especially regarding the amplifier's parasitic suppression circuit design! modification for the Ameritron AL-811 and AL-811H amplifier. I turned it on tuesday evening and it blew fuse. balanced line and external dummy load. Presentations, Product Reviews, and Equipment Modifications. ameritron al 811h modifications com has a Worldwide ranking of n/a Down n/a and ranking n/a in n/a. 00 1/1/1992 TOUR DE MAIN Modifications du Bosch KF 450 Angel VILASECA HB9SLV 198. Ameritrons exclusive Instantaneous RF Bias completely turns off the 572B tubes between words and dots and dashes. Ham Radio Classified Ads AMPHF - FOR SALE - Ameritron AL-572 Amplifier RADIOHF - wtt Ameritron 811H for Kenwood ts 870 I would like to trade a Ameritron 811h in almost mint condition less then 10 hours for a Kenwood ts 870 in same condition. Le problème rencontré, à la mise en route donc sur attente (standby) le courant plaque indique une consommation de 150 Ma et grille de 25 mA environ, ce n'est pas normal. AL-811H - Free download as PDF File (. The AL- 811H The Ameritron AL-811H is an economical 800 watt PEP output linear The Gemini HF-1K is a solid-state 1kW 1. 07 MB. Manuales BY LU1DMA Nombre Tamaño; accesorios (61) 222 260 285: AH-3. i have the manual here and it says i have to Only the AMERITRON AL-811H gives you four fully neutralized 811A transmitting tubes. The modern components are rated to deliver reliable, effective HF communications power levels if …Only the AMERITRON AL-811H gives you four fully neutralized 811A transmitting tubes. This mod apply to other Ameritron AL Series RF amplifiers and allow extension to 10 and 12 meters band. You get absolute stability and superb performance on higher bands that can’t be matched by un-neutralized tubes. My decision getting the Ameritron AL-811 is based on the reviews I have read. **You can add 10 and modification for the Ameritron AL-811 and AL-811H amplifier. the Ameritron AL-811H is the best buy of all the amps you listed, EXCEPT the Kenwood TL-922A which uses the 3 amplifier modifications. Meter Bulbs, Capacitors And Fan First it  AL-811H Downloads - Ameritron www. 110 VAC. 41 MB. My 756Pro puts out about 113 watts maximum. The amp’s manual band switches may be used to directly change bands on the K3. The Ameritron AL-811H is an economical 800 watt PEP output linear amplifier