Ameritron al811 instruction manual ring bound with protective covers. You get absolute stability and superb performance on higher bands that can t be matched by unneutralized tubes. The difference in power supply voltages on voice and carrier modes is the major contributor to differences in peak power between voice and carrier modes. Dec 27, 2019 the alh is a grounded grid linear amplifier developed by ameritron using low cost a power triodes. You get a quiet desktop linear thats so compact itll slide right into your station youll hardly know its there. If your amplifier is out of range on hv reading, or if the amplifier hv sags excessively beyond manual specifications when transmitting normally, you should seriously consider 240v wiring. After each modification the amplifier was firmly tested and plates never becames red. I handle a other number in decoding graphics and single buttons. The al 811h and al 572b are still in current production, so the clicking or popping problem is apparently controlled, with tubes from qualified sources. You get a quiet desktop linear thats so compact itll slide right into your station youll.
Jan 07, 2020 ameritron al811 manual pdf view and download ameritron alh instruction manual online. This new excavation manual went into effect january 1, 2020 2020 new excavation manual. Al811, hf amp, 600w, 3 811a tubes mfj enterprises inc. Ameritron al811 ham radio linear amplifier instruction. Flashover in a tube of an unprotected rf amplifier. To insure proper ventilation in you installation, observe the following.
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. Plus, the tubes are so inexpensive that you can replace one for mere pocket change. I used as earth the screw at the bottom of the anode choke. Ameritron al811h instruction manual the long wire to be replaced by coaxial cable rgso that the length janual converted into a small capacitance in parallel with the load capacitor. Only the ameritron al 811h gives you four fully neutralized 811a transmitting tubes. There are 3 coils on the board that had 7 turns on them. Al 811 linear amplifier features the al 811 is a grounded grid linear amplifier developed by ameritron using low cost 811a power triodes.
The main category is ameritron al811h that is about 16010 meter rf amplifier. Ameritron al 811 amplifiers are excellent for the newcomer because theyre tough enough to withstand momentary mistuning. Ameritron al80b al811h al572 amplifier trouble shooting. On the other bandthe swr will be high and is an internal tuner required for full ouput. The best way to tell if the line voltage is off, or if you need to change to 240, would be to read the amplifier manual. I dont know if there is even a service manual available for the alh. Ameritron al811h amplifier instruction manual pdf viewdownload. This is a good and quick tuneup procedure for anyone. Heavy duty power supply and rf components provide long service for components.
The al811 is a grounded grid linear amplifier developed by ameritron using low cost 811a power triodes. The al h is sold worldwide and is quite a wellbuilt budget amplifierbut by no means easy to repair. Alabama 811 3104 bates lane fultondale, al 35068 main office number. Al811 for sale al811 high quality ameritron ham radio linear amplifier instruction feel free to look at my other manuals under items for sale list if there is a manual you are looking that i do not have listed send me message might it. Conveniently plug it into your nearest 120 vac outlet no special wiring needed. These ratings are icas with a reasonable conversational duty cycle. Ameritron diagrams, schematics and service manuals download for free. It is a solid and very reliable amplifier at peak 700 watts. The al 811 is rated at 600watts pep voice, or just over 400watts carrier in normal cw modes.
Listed under the radio equipmenthf amplifiersameritron al811 category that is about ameritron al811 and. The 2020 annual operations summary is available for download final report of the alabama one call study commission is avail. Then i took up operating portable in my trailer out in the wilderness. I have really enjoyed using the ameritron al 811 h amplifier. It did not take long before i finally gott a linear. It is competively priced and provides 800 watts of power. Quickly tune the ameritron al811 tuning procedure using a.
The ameritron advantage becomes apparent at the heart of the al 811 amplifiers with their power supply. Do not block or restrict the ventilation holes in the cover. Description ameritron al811 linear amplifier gives you plenty power to bust thru qrm. You also get efficient fullsize heavy duty tank coils, computer grade capacitors, heavy duty high silicon core power tran. The al 811h uses four 811a tubes in a class ab2 grounded grid circuit. Here is a collection of different 811a amps typical operation parameters gathered from the web, manuals, and using appropriate multiplication factors to convert to 4 tube equivalent when required for 2 cases except for the al811 at bottom, 3 tubes, where power supply limitations seem important. The 811a tubes are long life, reliable transmitting tubes. Arb704 interface buffer instruction manual 1 ameritron arb704 important. Ameritron al811h manual pdf view and download ameritron alh instruction manual online. The ameritron al811h is an economical 800 watt pep output linear amplifier that operates reliably from 160 through15 meters. Apr 05, 2020 ameritron al811h manual pdf view and download ameritron alh instruction manual online.
Ameritron amplifier al811 instructions have many mistakes. Can you site some issues you think are not good and how it can be improved. Ameritron al811h instruction manual pdf download manualslib. The al 811h is a grounded grid linear amplifier developed by ameritron using low cost 811a power triodes. The 811a tubes take approximately 3 seconds to warmup. Everything i have from the radio to the antenna are all rated above this linear. Ameritron al811 amplifier service and user manual free service manuals, fast download, no limits. The only problem has been difficulty in getting it to tune on 160. Instruction manual 116 willow road starkville, ms 39759 usa 6623238211 version 6 printed in u.
This link is listed in our web site directory since wednesday apr 20 2011, and till today ameritron al811h manual has been followed for a total of 1161 times. The al811h is a grounded grid linear amplifier developed by ameritron using low cost 811a power triodes. Instruction manual ameritron al811h instruction manual 12 pages. We have 1 ameritron al811h manual available for free pdf download. I have a full size 160 meter loop with a mfj remote tuner that produces a 1. About ameritron al811h manual the resource is currently listed in in a single category. The al 811 is a grounded grid linear amplifier developed by ameritron using low cost 811a power triodes. The al811 ventilation system has been designed and tested to maintain the 811a tube temperature safely below the tube manufacturers rating at 400 watts output with a 100% duty cycle. Shipped with transformer installed and wired for vac. About ameritron al811 manual the resource is currently listed in in 2 categories.
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. This manual is for advanced users, who want to wire their own cables. Ameritron al811h amplifier instruction manual pdf view. Ameritron al811 linear amplifier gives you plenty power to bust thru qrm.
Detailed information in this manual describes input requirements and output limitations of this device. Mar 20, 2020 ameritron al811h instruction manual if the pa is not used for a long time and goes back into a,eritronremove the fuse and let the amplifier an hour long stand idle. It had the parasitic board in it not the coil over resistor and would burn the 100 ohm resistors on 10 meters. View and download ameritron alh instruction manual online. I have their omni vii xcvr and big 0 watt qsk amp pair of 3500z tubes. The powerful spark induced scorching and inside a hole in the glass a fellow ham got an ameritron hl811h rf amplifier from estate of a deceased colleague.
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