You may now transmit cw or ssb tuning up observations on conventional wisdom the rotation points in the plate control setting, which provide 1 a dip in plate current and 2 the max power out, are. This amplifier is 100% operational and reaches full legal limit on 16010m. Ameritron qsk5kenwood ts 570relay free 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. Ameritrons al80b kilowatt output desktop linear can double your average ssb power output with highlevel rf processing using ameritrons exclusive dynamic alctm. The ameritron al811h is an attractive choice as an entry level amplifier for the low budget amateur operator.
Describe your experience with the ameritron al80b and tell us why you give it the rating you did required. Ameritron hf power amplifiers al80b free shipping on. The ameritron al 80b is an 800 watt cw, watt pep output linear amplifier that operates on all amateur bands from 160 through 15 meters. If you listen closely to someone running the stock dynamic bias circuit you may hear a gritty first syllable or a mushy first cw note. Jul 16, 20 ameritron al 80 user manual download here.
Since many hams, like myself, love to see whats inside the box, i decided to take a. Their directions state that the green wire to cut is coming from the 10m coil, which makes sense. To open downloaded files you need acrobat reader or similar pdf reader program. This are the same manual use by experts and even technicians. Ameritron al 1500 instruction manual instruction manual 15 pages ameritron al 572 instruction manual instruction manual 38 pages ameritron al 800h instruction manual instruction manual 39 pages ameritron al 80b instruction manual instruction manual 38 pages. The al 80bx and al 80by are export models that operate from 160 through 10 meters. The al811h has the essential design elements for a clean, stable signal.
It employs a single 3500z tube and is designed to produce up to a kilowatt of signal in ssb service on the ham bands. Grid current is one of the best indicators of proper tube operation. Ameritron al1500 instruction manual instruction manual 15 pages ameritron al572 instruction manual instruction manual 38 pages ameritron al800h instruction manual instruction manual 39 pages ameritron al80b instruction. You might want to consider posting a pdf file of just the tuning. View online or download ameritron al80b instruction manual. After searching the internet, i realized there are very few good pictures of the workings of these amplifiers. Ameritron al82 sm service manual download, schematics.
While this may be barely adequate for 120v operation, i judge it inadequate for 240v service. Ameritron amplifiertransceiver keying interfaces are designed to protect expensive radios from damage from keying line transients and steady state current voltage. Adobe pdf format request print catalog us residents only. It has a separate rf compartment thats fully shielded to keep rf from leaking out. May 31, 2019 ameritron 10 meter mods pdf 1012 meter modification instructions. 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.
New style alc newer ameritron units, those produced during or after the al80b development period, use grid current to control the alc system. Ameritron al80a 1kw output, 16015, 10 possible with mod. Ameritron al80bx watts hf amplifier, 10 radioworld. 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. Modifying this amplifier for 1012 meters, this use to require sending a copy of your license to ameritron. Export modification instructions are available with proof of a valid amateur radio license. You said it draws no plate current when unkeyed, which of course is normal.
In the fall of 2009 i acquired an ameritron al80b linear amplifier for my ham radio station. Al 811h service pdf the alh is a grounded grid linear amplifier developed by ameritron using low cost a power triodes. I recommend you do that now, especially if it is a new amp. Mine needs about 6570w drive at most to achieve full tilt power on all bands. 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 amplifier transceiver keying interfaces arb704. The al 80a 198412 on the al80a was not the same as the al80 above.
The early al80 used a bluetint meter bezel on a twoscale panel meter, the same basic knob labels and knobs, similar front trim, and similar overall layout. The guts of the al80b amps are their heavy duty power supplies. Ameritron al80b amplifier instruction manual pdf view. Ameritron or ameritron based amplifiers using oldstyle alc include the al80, al80a, al811 series, sb, al1200, al82, and al1500. Al 80b instruction manual 3 introduction the ameritron al 80b is an 800 watt cw, watt pep output linear amplifier that operates on all amateur bands from 160 through 15 meters. I often misplace items like this, so im hoping this will help me take better care of these. I bought this amp because i did not have one capable of operation on the. Al 80b instruction manual introduction the ameritron al 80b is an 800 watt cw, watt pep output linear amplifier that operates on all amateur bands from 160 through 15 meters. Al80b instruction manual 3 introduction the ameritron al80b is an 800 watt cw, watt pep output linear amplifier that operates on all amateur bands from 160 through 15 meters. I want to make the 10m modification to the al80b and while ameritrons instructions state to cut the green wire, i want to be certain it is the green wire as shown in the photograph which, near as i can tell, is coming from the 80m coil. View online instruction manual for ameritron al 80b amplifier or simply click download button to examine the ameritron al 80b guidelines offline on your desktop or laptop computer. The ameritron al80b is an 800 watt cw, watt pep output linear amplifier that operates on all amateur bands from 160 through 15 meters. Ameritron will not be responsible for reshipping damage due to improper packing.
It easily runs about 800 watts pep, using a single 3500zg tube. 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 al80b linear amplifier single 3500z hf watts pep 110 or 220 volts. Mar 26, 2014 i agree, 100w is too much drive for an al 80b and even when properly tuned with everything working at its best, 100w will produce excessive plate and grid current. They will work with almost any transceiver without the need of the plugandplay prewired cable. Ameritron 10 meter mods pdf 1012 meter modification instructions. You get cooler operation because the al80bs exclusive instantaneous rf biastm completely turns off the classic 3500g tube between words.
Depending on where in the ac power cycle the switch contact closure occurred, the amp sometimes turned on with a loud thump and the shorting relay engaged almost. Last day ameritron als600 solid notune state hf amp. So in the end, i stand by what many others say, that the al80b is the best value per. When you key the mic without speaking you will hear the sound of an. I studied the situation for a few weeks, and finally settled on the ameritron al80b amplifier. I recently purchased an ameritron al80b 1 kw amplifier. If you own an al80b with the dynamic bias circuit in place, listen to your own signal in another receiver.
The al80a, because of improved quality, drove ameritron sales upwards from around 510 units monthly up to about 50 units a month. I want to make the 10m modification to the al 80b and while ameritron s instructions state to cut the green wire, i want to be certain it is the green wire as shown in the photograph which, near as i can tell, is coming from the 80m coil. The al80bx and al80by are export models that operate from 160 through 10 meters. View and download ameritron al80a instruction manual online. Service manuals, schematics, eproms for electrical technicians.
View and download ameritron al 80a instruction manual online. Download instruction manual of ameritron al80b amplifier for free or view it online on. Only at is a web site dedicated to ham radio amateur radio. Its a sweetheart, very quiet, and weighing in at about 48 lbs. I hope they might help others looking for the same info as well. The guts of the al 80b amps are their heavy duty power supplies. Superb rf design and layout, hiq tank circuit and commercially rated rf power components give you nearly 70% plate efficiency over most of the amateur bands. Ameritron qsk5kenwood ts570relayfree ameritron al811h use. Ameritron al 80b linear amplifier single 3500z hf watts pep 110 or 220 volts.
Ameritron al 80b amplifiers use a genuine 3500zg tubenot the cheaper, less reliable 3500 tubes used by some competitors. If you have not bought it yet you may want to ask if they can do it for you. Ameritron al80b w desktop linear hf 16015m amplifier, 3500zg tube. Amphf ameritron al 82 hf amplifier this is a very nice ameritron al 82 amplifier. Ameritron hf power amplifiers al80b free shipping on most.
Al80b instruction manual introduction the ameritron al80b is an 800 watt cw, watt pep output linear amplifier that operates on all amateur bands from 160 through 15 meters. Most of the parts are still available andor interchange withe the al80b which is an added benefit. Ameritron al80b sm service manual download, schematics. I bought a used al80a amp and sent it to ameritron and had the tech,fix everything that was wrong with it,and now it works flawless those. Having recently gotten a used al 811h and put 4 new tubes from ameritron into it, i ventured out on to the eham site, amps reflector and other web postings and documents to see if the operation instructions provided in the manual might be made a little. Ameritron al 80a 1kw output, 16015, 10 possible with mod.
I agree, 100w is too much drive for an al80b and even when properly tuned with everything working at its best, 100w will produce excessive plate and grid current. Ameritron al811h tuning from bill wortman, n6mw on january 12, 2008. Export modification instructions are available with proof. Free ameritron diagrams, schematics, service manuals. The ameritron al80 started as a copy or knockoff of the drake l5. Ameritron chose to use a 10 ohm, 10 watt, resistor in the al 80b s softstart circuit. Ameritron al811h amplifier instruction manual pdf view. The modern components are rated to deliver reliable, effective hf communications power levels if operated within their specifications. Ameritron al80b amplifiers use a genuine 3500zg tubenot the cheaper, less reliable 3500 tubes used by some competitors. Describe your experience with the ameritron al 80b and tell us why you give it the rating you did required.
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