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I did this one years a go

Just finished

I can’t find the board for the Al-811 but I going to put everything back like factory but I going tu try 5 turn on the coil to test for the 10/11 meter issue

She is ready after a lot a work. I used 6.0 x 1.0 mm body mounting bolts she is strong now is to difficult for one person to mount it but I got it

How about rivets. There the lower part nice and clean

I have to put my antenna down because I have variable swr from 1.2 to 2.5 or more so far this is what I found up. Any idea how to fix it please tx.

Tx Gary good info there, I really like my Al/811 more than 922

Next it my Al-811 same problem I need new parasetic board for 3 valves if you have one let me know please

the amp running ok with 65 watts it does 700-1200 pep the parasitic coils are ok now, now there is some oscillation. the problem was cold or bad weld on the filament cables on both end, now mechanic and weld new silicon cables,new C3,C23 and clean the antenna relay. thank you for the help

Meter protection and resistor done

Or maybe this under the relay that was the problem on mine

Getting better 1st picture is V1 2nd picture V2 and new parasetic design with 47 Ohms measures 0.56 0hms at the end

"Life is about Learning and Helping Others as we go" thank you all of you

on V1 PIN ONE I HAVE 6.7 VOLTS and v2 pin one 3.4 volts

di not work it going to the kenwood pile 2 930 and 2 940s it

56 OHMS 3 WATTS

Getting better

I was testing the AMPs on the dummy load with five watts only on CW and the parasitic suppressors on the tube anodes have burnt out again. Any clue as to what I should check or can do so fix this issue? The tubes are still functioning properly.

Getting ready

Getting ready to make The parasitic suppressors