Jul 16, 20 ameritron al 80 user manual download here. W7ry soft start heathkit sb220 sb200 kenwood tl922 ameritron al 1200. Ameritron al1200 gallery ham repair guy for all your. The result is an easy to read, photo illustrated schematic for both vintages of amplifier. The original al 1200 fan is good for 55cfm according to ameritron, so that had to go, but that left even less room. I have owned the al82 for three years now, and over that time, it has given me incredible performance on all bands. Starkville ms, build 1984, 3 pictures, 5 schematics, 1 tubes, united states of america, semiconductors, rf radio frequency. Modify al1200 hv power supply amateur radio station w5wz. Ive omitted the additional bleeder resistors on the drawing, but they are required. 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. Since the schematic supplied by the manufacturer is essentially unuseable, i decided to make a project of documenting both units. How to select an amplifier thierry lombry, on4sky, develops in three long articles all you need t. Do you have an ameritron al 82, al 1200, or al 1500 amplifier. Ameritron diagrams, schematics and service manuals download for free.
The ameritron al 1200 amplifier is in current production. The pil tank circuit permits full impedance matching capability over the entire 160 meter band. This item will be posted through the global shipping program and includes. I hope they might help others looking for the same info as well. Electronic tr switching and the ameritron qsk5 schematic. Manuals for ameritron this is the manuals page for ameritron. These are fine amplifiers for sure, but the front panel markings leave a few things to be desired. About modifications to the ameritron al 1200 amplifier the resource is currently listed in in 2 categories. Ameritron al1200 vs al1500 worldwidedx radio forum.
The al1200 uses a single 3cx1200a7 tube in a class ab2. Ameritron linear amplifier overlay al82, al1200 and al1500 are all the same overlay. Ameritron al82 sm service manual download, schematics. U5701 used alinco djg7t ham radio triband 2m4401200 ht. Ive used the ameritron al1200 linear amplifier for several years. 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. Mfj enterprises inc, ameritron,hygain,hygain,cushcraft,vectronics,mirage,mfj,mfj enterprises,antenna,radio,ham radio,amateur radio,tuner,analyzer,starkville,amplifier. Got the amp back running and i was happy with the service i got. Just remove one filament transformer and install the right one for the al 1500. Your ameritron amp may be different in this regard. View online or download ameritron al 811h instruction manual. I often misplace items like this, so im hoping this will help me take better care of these. Reliability of the als0 is insured by using eight rugged mrf150 power fets. In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff.
Ameritron hf power amplifiers al1500 free shipping on most. Get instant bandswitching, no tuning, no warmup, no tubes to baby and no fuss. Ameritron hf power amplifiers al1200 free shipping on most. Describe your experience with the ameritron al1200 and tell us why you give it the rating you did required. W7ry soft start heathkit sb220 sb200 kenwood tl922 ameritron al 1200 al 1500. An 1800 watt continuous commercial rated hypersil transformer is standard, with heavy duty rectifiers in a full wave bridge supply with computer capacitors. The al 1200 uses a single 3cx1200a7 tube in a class ab2 grounded grid circuit. The unmodified al1200 uses a pair of mechanical relay contacts to supply a bias voltage to the tube when the amplifier is placed into transmit mode. We offer a panel overlay, made from the same durable plastic and the same surface finish as the factory front panel, which glues over the original panel using 3m doublesided adhesive.
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 7610 times. The ameritron al 82 linear amplifier is designed to give you years of trouble free service at the full legal output power limit. Ameritron delivers the power and clarity you demand. 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. Modifications to the ameritron al1200 amplifier resource detail. The older al811h prior to drive resistor modification with good tubes and stable power line, when properly tuned and operating in the linear region, has about 11 db gain. The management works very hard to make sure the community is running the best software, best designs, and all the. In fact, i happened to be at the dayton hamvention, and when i mentioned the problem to an ameritron representative, he presented me with 4 bulbs for free. Discussion in amplifiers started by heavy metal, mar 22, 2015.
Some mods that i came up with that improves the look and performance of the ameritron al 82 1200 1500 series. Ham repair guy for all your amp building, amp repairing and part buying needs. The main category is rf power amplifiers that is about ham radio power amplifiers. The bias is inserted into the center tap of the filament transformer secondary winding. Do not exceed 300 ma on this meter during normal operation of this amplifier.
Nov 10, 20 i have traded my 2k4 for an al 1200 that needs a tube and also got an atr30 in the deal. Looking in the grainger catalog, the dayton 2c067 blower has the motor partially set into the squirrel cage area. Aug 09, 2018 ameritron al 1200 mods with kc2qma duration. This are the same manual use by experts and even technicians. This step is not called out in the written documentation, but does appear in a drawing, when the detector board is described as the breakoff circuit. Ameritron al1200 al1500 conversion gallery ham repair. The cut out for the tube socket is the same, just put in the 8877 socket. Capacitors for ameritron amps sold to mike, pending funds i have a new set of 8 hv capacitors for an ameritron al 82, al 1200, or al 1500. Linear amplifier primo tube set 811a 4 dentron collins ameritron. New ameritron linear amplifier overlay for al82, al1200. Dec 23, 2008 i own two ameritron al811h amplifiers, an old one and a new one.
Find ameritron hf power amplifiers al1200 and get free standard shipping on. Instruction manual the ameritron al 1200 is a 1500 watt output linear amplifier that operates from 160 through 15 meters. Ameritron als0 is a solid state near legal limittm fet notune amplifier. Apr, 2015 ameritron al 1200 pp100 vs hg2879 vs dei2879 under volts and i take off the tops, im shocked by what i fined duration. Follow the al 1500 schematic for the secondry side ot the filament transformer as it does not have a ct. Get a clean signalno rf hash on your signal or receiverwith ameritron switching power supplies. Ameritron al80b sm service manual download, schematics. The companys impressive lineup of products includes amplifiers, amplifier accessories, antennas, antenna tuners, relay buffers, and more.
Ameritron al1200 pp100 vs hg2879 vs dei2879 under volts and i take off the tops, im shocked by what i fined duration. Using the herculean 3cx1500a78877 ceramic tube with its high power gain, the al 1500 needs only 65 watts of drive from your exciter to deliver the goods transceivers and other exciters just loaf at 1500 watts out. Modifications to the ameritron al1200 amplifier seed solutions. After 3 of the 4 bulbs died in my al 1200 in approximately one year of operation, i did pick up some replacements.
The ameritron al 1200x is the export model and covers 160 through 10 meters. View online or download ameritron al 1500 instruction manual. Modifications to the ameritron al1200 amplifier resource. Ameritron al 1200 full power linear amplifier instruction manual the ameritron al 1200 is a 1500 watt output linear amplifier that operates from 160 through 15 meters. W7ry ameritron al82 al1200 al1500 sb al80 qsk board linear. What makes ameritron s al 1200 stand out from other legal limit amplifiers. In its factory configuration it uses a single 3cx1200a7 triode. This exclusive feature of ameritron amplifiers indicates proper amplifier operation better than any other parameter.
Ameritron qsk5pc schematic with aa8v qsk indicator circuit. The grid current meter provides a continuous indication of the 3cx1200 grid current. The parts list is included on the schematic which also has installation notes. We know the ameritron amplifier overlay is great, but you dont have to take our word for it. Free ameritron diagrams, schematics, service manuals. Their high power vacuum tube linear amplifiers and solid state no tune amplifiers will take your hf operations to the next level.
W7ry soft start heathkit sb220 sb200 kenwood tl922 ameritron al1200. W7ry soft start heathkit sb220 sb200 kenwood tl922. Ameritron al82 super legal limit hf amplifier w 2 x 3500z main. The ameritron al82 linear amplifier is designed to give you years of trouble free service at the full legal. The ameritron al1200 is a 1500 watt output linear amplifier. The 8877 tube has a reputation for being a serious work horse, so thats the way i would lean.
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