Years ago, when i designed the al811 and al811h amplifiers, i made a. 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. Listed under the radio equipmenthf amplifiersameritron al811 category that is about ameritron al811 and. Tunning my ameritron al811 hxce amp really like this amp. I recommend you do that now, especially if it is a new amp. This link is listed in our web site directory since tuesday apr 10 2007, and till today ameritron al811 manual has been followed for a total of 7610 times. I have a ameritron al811 that has been converted to use 572b tubes. That could mean the difference between hearing, youre q5. The modern components are rated to deliver reliable, effective hf communications power levels if operated within their specifications. Ameritron al811h amplifier service and user manual free service manuals, fast download, no limits. Even fussy solid state rigs can deliver their full drive to al 811. I have revived an al 811 from my fatherinlaws estate. The al 811h has the essential design elements for a clean, stable signal. Ameritron al 811 the first 600 watts make the differencethe al811 gives you 600 watts pep output thats nearly 2 full sunits over your barefoot rig.
Page 1 hf power linear amplifier instruction manual the ameritron al811h is an economical 800 watt pep output linear amplifier that operates reliably from 160 through15 meters. Roger, you must be the only person in your area that is willing to tackle ham amplifiers with problems. Ameritron al811h amplifier instruction manual pdf view. 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. Aug 15, 2019 ameritron al811h manual pdf view and download ameritron alh instruction manual online. Manuals for ameritron this is the manuals page for ameritron. Ameritron al80b al811h al572 amplifier trouble shooting. Ameritron 10 meter mods pdf 1012 meter modification instructions. Tuned input provides excellent load for any rig a pinetwork tuned input provides a 50 ohm load for your rig.
Ameritron qsk5kenwood ts570relayfree ameritron al811h use. To dig in the amplifier almost everything has to be deinstalled. About ameritron al811 manual the resource is currently listed in in 2 categories. If youre operating the amp within the amateur bands, its unlikely that the input matching circuit is defective on all those bands if this is the case, you might want to take a look at the accuracy of the meter you have between the amp and radio. Mfj enterprises inc,ameritron,hygain,hygain,cushcraft,vectronics,mirage,mfj,mfj enterprises,antenna,radio,ham radio,amateur radio,tuner,analyzer,starkville,amplifier. On the other bandthe swr will be high and is an internal tuner required for full ouput. Ameritron al811h manual pdf view and download ameritron alh instruction manual online. Ameritron al811 repairs ham radio with k0pir icom ic. Ameritron al811 odd grid behavior, no problems found. You get absolute stability and superb performance on higher bands that. Ameritron al811 and al811h resources category is a curation of 10 web resources on, ameritron al811h tube selection, al811 trouble shooting, high swr after al811 10 meter mod.
The al 811h uses four 811a tubes in a class ab2 grounded grid circuit. Ameritron diagrams, schematics and service manuals download for free. Ameritron never published service manuals for any of their amplifiers so they dont exist. This will also cause the plate and grid current meter to track each other, and indicate false grid current this problem is almost always from a defective tube or tubes that have flashed over internally, generally from excessive internal gas. Only the ameritron al811h gives you four fully neutralized 811a transmitting tubes. I just bought a brand new ameritron al811 from the denver hro 42018 and, right out of the box, its making a loud snapping sound shortly after turning on the power. This amp sat unused for several years until i recently decided i wanted an amplifier.
In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff. I sent a note to ameritron tech support and they say its probably one or more of the hv filter caps but offer no help on a warranty repair. Dec 27, 2019 al 811h service pdf the alh is a grounded grid linear amplifier developed by ameritron using low cost a power triodes. Describe your experience with the ameritron al811 and tell us why you give it the rating you did required.
View online or download ameritron al811h instruction manual. The al 811 is a grounded grid linear amplifier developed by ameritron using low cost 811a power triodes. May 31, 2019 ameritron 10 meter mods pdf 1012 meter modification instructions. When i got it it would only do 100 watts so i replaced the tubes, let it sit on. Jul 27, 2019 al 811h service pdf the alh is a grounded grid linear amplifier developed by ameritron using low cost a power triodes. Ameritron al811 hf linear amplifier ht fuse mod m0ukd. Modifying this amplifier for 1012 meters, this use to require sending a copy of your license to ameritron. Ameritron qsk5kenwood ts570relayfree ameritron al811h 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 al811h. For the al 811h, and al 811, most non ameritron marketing.
Ameritron al811 and al 811h resources category is a curation of 10 web resources on, ameritron al 811h tube selection, al811 trouble shooting, high swr after al 811 10 meter mod. The main category is ameritron al811 and al811h hf amateur radio rf power amplifier that is about ameritron al811 and al811h resources. Jun 09, 2005 i have a ameritron al 811 that has been converted to use 572b tubes. The ameritron al 811h is an economical 800 watt pep output linear amplifier that operates reliably from 160 through15 meters. 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. After each modification the amplifier was firmly tested and plates never becames red.
This amp was assembled in 2000, so it does not have the 5004531 board shown in the current production models. It is not a matter of a am amp for say, the 811 series amps from ameritron have a less the. Ameritron al811 manual ameritron al811 owners manual pdf file. Jul 02, 2014 tunning my ameritron al 811 hxce amp really like this amp. Al 811h service pdf the alh is a grounded grid linear amplifier developed by ameritron using low cost a power triodes. If you have not bought it yet you may want to ask if they can do it for you. The ameritron al811h is an attractive choice as an entry level amplifier for the low budget amateur operator. View online instruction manual for ameritron al811h amplifier or simply click download button to examine the ameritron al811h guidelines offline on your desktop or laptop computer. The al811h is rated at 800watts pep voice on a good peak reading meter. Ameritron al 811h instruction manual 116 willow road starkville, ms 39759 usa 6623238211 version 6 printed in u. Nov 01, 2019 ameritron 10 meter mods pdf 1012 meter modification instructions. The al811h is rated at 600watts cw carrier in normal cw or tune. Ameritron al 811 and al 811h resources category is a curation of 10 web resources on, ameritron al 811h tube selection, al811 trouble shooting, high swr after al 811 10 meter mod. Oct 08, 2016 i just bought a brand new ameritron al811 from the denver hro 42018 and, right out of the box, its making a loud snapping sound shortly after turning on the power.
Use your watt meter to figure out how much drive it needs to make this power. I am wondering why you say the amp is awfully made. Ameritron al811h linear amplifier demonstration by k1oik. Ameritron al 811 linear amplifiers are quiet desktop models that are so compact, theyll slide right into your station, and youll hardly know ones there until qrm sets in. Ameritron hf power amplifiers al811hd free shipping on. For the al811h, and al811, 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 hf power amplifiers al811 free shipping on most. The ameritron al 811h is an attractive choice as an entry level amplifier for the low budget amateur operator. View online instruction manual for ameritron al 811h amplifier or simply click download button to examine the ameritron al 811h guidelines offline on your desktop or laptop computer. View and download ameritron alh instruction manual online. For a 3 tube 811 thats 45 watts deadkey out of the amp and 180 pep out. 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.
I have revived an al811 from my fatherinlaws estate. The al 811h is sold worldwide and is quite a wellbuilt budget amplifier, but by no means easy to repair. Amateur amplifiers the ameritron al 811 linear amplifier gives you plenty power to bust thru qrm. The al811h is sold worldwide and is quite a wellbuilt budget amplifier, but by no means easy to repair. About ameritron al 811 manual the resource is currently listed in in 2 categories. If you want an amp for ssb, its really hard to beat this one. The al 811hx export model is prewired for 240v operation and is supplied with 8 ampere fuses. Adobe pdf format request print catalog us residents only. The al 811h is rated at 800watts pep voice on a good peak reading meter. Ameritron al811 amplifier servizio e manuale utente. Mar 31, 2015 this feature is not available right now. Free ameritron diagrams, schematics, service manuals. 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.
This resource is listed under radio equipmenthf amplifiers ameritron al, at ameritron al manual resource. 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. The guy that designed some of the ameritron amps recommends no more than 15 watts carrier and 60 pep output per tube for am service. 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. Ameritron al811 odd grid behavior, no problems found qrz. Jun 22, 2019 ameritron al811h manual pdf view and download ameritron alh instruction manual online. I assume there are no professional repair people around. The ameritron al811h is an economical 800 watt pep output linear amplifier that operates reliably from 160 through15 meters. A few months ago i inherited my sk fatherinlaws al 811h. The al811 is a grounded grid linear amplifier developed by ameritron using low cost 811a power triodes. This resource is listed under radio equipmenthf amplifiersameritron al, at ameritron al manual resource. A hand marked manual copy of unknown history, qsk5. Mfj enterprises inc, ameritron,hygain,hygain,cushcraft,vectronics,mirage,mfj,mfj enterprises,antenna,radio,ham radio,amateur radio,tuner,analyzer,starkville,amplifier.
You get a quiet desktop linear thats so compact itll slide right into your station youll hardly know its there. The ameritron al 811 power supply is built tough so you get peak performance year after year. 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. View and download ameritron al811h instruction manual online.
Service and user manual ameritron al811h amplifier. D16 shorted 811, d117 in al80 series mainframe, including al572. Ameritron al811h tuning for powerdissipationlinearity, and more generally 811a tube amps in grounded grid. Demonstrating tuning and operation of the ameritron al811h. Heavy duty power supply and rf components provide long service for components. The al811 and 811h use a fan that follows curve 5 below at about. It easily runs about 800 watts pep, using a single 3500zg tube. Ameritron al811 linear amplifier gives you plenty power to bust thru qrm. I handle a other number in decoding graphics and single buttons. Page 3 the al 811h is a grounded grid linear amplifier developed by frequency coverage ameritron using low cost 811a power triodes.
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