The ameritron al 811 power supply is built tough so you get peak performance year after year. Jul 27, 2019 al 811h service pdf the alh is a grounded grid linear amplifier developed by ameritron using low cost a power triodes. The al 82j is the export model for japan and covers 160 through 10 meters. It came from hro atlanta doubleboxed and was in perfect shape. Al811h ameritron al811h 800watt linear 4 811a tubes 110vac, us. The al811h is rated at 600watts cw carrier in normal cw or tune. Ameritron never published service manuals for any of their amplifiers so they dont exist. For the al 811h, and al 811, most nonameritron marketing folks recommend that you do not run at maximum power possible due to the fact that you may be pushing the tubepower supply ratings for these units. Ameritron al811h download your lost manuals for free.
I sold it and bought a big full legal limit plus amplifier because i was sure i needed the extra power. Only the ameritron al811h gives you four fully neutralized 811a transmitting tubes. The 811a tubes take approximately 10 seconds to warmup. You might want to consider using this mfj manual tuner with your transceiver and al 811h. Your inquiries to ameritron have produced no answers. Discussion in amateur radio amplifiers started by g3yro, aug 1. Ameritron hf power amplifiers al811h free shipping on. I was able to salvage the plate choke in this amp because i had some unobtainium q dope, a special low loss polystyrene cement. And besides, the mfj 929 is rated for 200 watts for barefoot hf transceivers while the al 811h puts out about 500 watts. View and download ameritron al 80a instruction manual online.
Ameritron hf power amplifiers al811h free shipping on most. I bought an ameritron al 811h used at a hamfest in central texas and it performed flawlessly for several months. My al 80b is my rf ninja that i use during contests going from band to band, mode to mode. About 1012 meter mod for ameritron 811 the resource is currently listed in in 2 categories. Ameritron al 811h instruction manual 116 willow road starkville, ms 39759 usa 6623238211 version 6 printed in u. It has been a long standing tradition to run 811 tubes at about 250 watts dc. Ball bearing vernier reduction drives on plate and load controls make tuning precise and easy. Page 1 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. This link is listed in our web site directory since wednesday apr 20 2011, and till today ameritron al 811h manual has been followed for a total of 17 times.
Note some colored nail polishes use metallic or conductive ingredients. Ameritron diagrams, schematics and service manuals download for free. The modern components are rated to deliver reliable, effective hf communications power levels if operated within their specifications. Hf power linear amplifier 12 pages amplifier ameritron al 1200 instruction manual. Note that there is a limit to the number of files you can download. Ameritron qsk5kenwood ts570relayfree ameritron al 811h use after getting a used qsk5, i studied up on the history and required convoluted interpretation of the manual for my application to the ts570 and al 811h.
Describe your experience with the ameritron al811 and tell us why you give it the rating you did required. If you want to see manuals from other manufactories you can click on the manufactory menu. All information, images, and documents on this website are the sole property of ameritron any reuse or redistribution of the contents of this website are strictly forbidden without authorization from ameritron. Their high power vacuum tube linear amplifiers and solid state no tune amplifiers will take your hf operations to the next level.
Ameritron al811h manuals and user guides, amplifier. Jun 24, 2019 ameritron al 811h manual pdf view and download ameritron alh instruction manual online. Other useful information would include your experience with similar products, infomation on a product that you would purchase instead of this one, and so on. Ham radio with k0pir icom 7300 and 7610 sdr transceivers. About ameritron al 811h manual the resource is currently listed in in a single category. The 811a tubes are long life, reliable transmitting tubes. I also considered the als500m and the al811h, both of which are. Service and user manual ameritron al811h amplifier.
On the other aameritronthe swr will be high and is an internal tuner required for full ouput. Printed on higloss 28lb high quality acid free paper for a professional finish that. Please follow your manual, and do some research before tuning up for. Quickly tune the ameritron al811 tuning procedure using. Amerifron is a cheapsimple and proven effective method. 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 resources. Ameritron mounts the 811a tubes vertically not horizontally to prevent hot tube elements from sagging and shorting out. Supplemental tuning instructions 1005 2011 trouble shooting al811. The al 811h has the essential design elements for a clean, stable signal. Keep in mind however the 811h does not push the tubes any harder than collins did in the 30l1, or heath did in the warrior. Part ii actual data for an al 811h and implications for tuning, dissipation and rtty use. To dig in the amplifier almost everything has to be deinstalled. Ameritron al 811 repairs popping noise, meter bulbs and then finally the fan started making noise. Icom 7300, icom 7610, windows, macos, raspberry pi, digital modes and contest software for amateur radio.
About ameritron al811h manual the resource is currently listed in in a single category. You are trying to fix this amplifier, but have little bench experience in electronics repair and this is a learning experience. A hand marked manual copy of unknown history, qsk5. Af6ljaug 1, as radio amateur time is free and one can modify at random time. After struggling for several weeks with rf, tvi, rfi, balky coax, excessive heat, ringing telephones, cranky neighbors, etc. Ameritron al811h amplifier instruction manual pdf view. View online or download ameritron al 811h instruction manual. And when you click on the file or icon it will count as a download. The ameritron al811h is an economical 800 watt pep output linear amplifier that. I use my al 811h on 220 vac, i highly recommend this in any amplifier over 500 watts. Al 811h service pdf the alh is a grounded grid linear amplifier developed by ameritron using low cost a power triodes.
Aug 04, 2019 al 811h service pdf the alh is a grounded grid linear amplifier developed by ameritron using low cost a power triodes. I dont know if there is even a service manual available for the al 811h. Even fussy solid state rigs can deliver their full drive to al 811. This link is listed in our web site directory since tuesday apr 10 2007, and till today ameritron al 811 manual has been followed for a total of 7596 times. View and download ameritron als600 instruction manual online.
The main category is ameritron al811h that is about 16010 meter rf amplifier. I just wanted to show how i tune up my ameritron al 811 ham radio amplifier. If you cant find a manual please do not contact us. Ameritron al811h amplifier instruction manual pdf viewdownload. Ameritron al 811 instruction manual ring bound with protective covers. Failure has occurred with the al 811 melted plates. Aug 15, 2019 ameritron al 811h manual pdf view and download ameritron alh instruction manual online. Heavy duty power supply and rf components provide long service for components.
Al811, hf amp, 600w, 3 811a tubes mfj enterprises inc. This is a good and quick tuneup procedure for anyone, but i encourage everyone to read their manual. Anyone connect a ameritron 811h to a yaesu 991a qrz forums. Dec 11, 2018 the al82j is the export model for japan and covers 160 through 10 meters. Ameritron al811h instruction manual ring bound with protective. Ameritron al811 repairs ham radio with k0pir icom ic. Oct 22, 2016 ameritron al 811 owner s manual pdf file. Al 811h eham article 15783 comment by wa4dou 20m results 45 610 implied by input power 125 590 cw best case al 811h manual pdf view and download ameritron alh instruction manual online. Getting to any component is a complete pain, one has to take the back panel off and release enough of the wiring on the large double sised pcb to get aught e. After agonizing for a while i settled on the al 811h, the four tube version of ameritrons 811 amp.
If you are rewiring the al 811h for 240230220v operation, you must use 8 ampere fuses. However, here are photos of the circuit boards, one. The al 811h is sold worldwide and is quite a wellbuilt budget amplifier, but by no means easy to repair. The ameritron al 811h is an attractive choice as an entry level amplifier for the low budget amateur operator. Ameritrons compact al 800 al 800h amps are both desktop linears with plenty of muscle. Ameritron al 811h manual pdf view and download ameritron alh instruction manual online. The al 572 pipil output network gives you exceptionally smooth tuning, wide matching range, full band coverage and peak performance at all power levels. Ameritron al 572 instruction manual ring bound with protective covers. Free ameritron diagrams, schematics, service manuals. The main category is ameritron al 811h that is about 16010 meter rf amplifier. The al 811h uses four 811a tubes in a class ab2 grounded grid circuit. However, its as if the valves are getting no drive on transmit. If you want an amp for ssb, its really hard to beat this one.
Download manual ameritron catalog dealer listing videos hamfest schedule license exam datesnew email signup. Instead of using am, turn down the mic gain and switch to fm, that will allow the transmitter to run full power. A tentative conclusion is that this al h does not distort the signal of the drive stage. I have and 811h its making the same popping as yours was. Hf power linear amplifier ameritron inc pages 1 12 text. Basically, the al 811h stays on 75 meters and makes advertised power. Database contains 1 ameritron al 811h manuals available for free online viewing or downloading in pdf. Tof tuning aid for amplifiers 811a tube history and construction business page link parts and circuit boards ctr engineering, inc please take time to read. No real reason to tune the amp with only 20w of drive, as fully driving it will result in entirely different settings of the plate and load controls so tuning up at lower power, to me, is just a waste of several seconds. The 811a tubes take approximately 3 seconds to warmup.
Ameritron al811h instruction manual 116 willow road starkville, ms 39759 usa 6623238211 version 6 printed in u. The al 811 is a grounded grid linear amplifier developed by ameritron using low cost 811a power triodes. This resource is listed under radio equipmenthf amplifiersameritron al 811, at ameritron al 811 manual resource page via. Fuses supplied are for 120110100v operation models al 811h hy. In other words, if you use the 811h amp in conjunction with the tuneryou will burn it outthe 929 auto tuner that is. Absolutely true, if you consider operation in icas or ccs and not ivs intermittent voice service. User manuals, guides and specifications for your ameritron al 811h amplifier. You get absolute stability and superb performance on higher bands that cant be matched by unneutralized tubes. The al 811h is a grounded grid linear amplifier developed by ameritron using low cost 811a power triodes. Al811h ameritron al811h 800watt linear 4 811a tubes.
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