Ameritron AL-811H Amp Refurbished-Updated NOS Tubes Tested
Ameritron AL-811H HF 800w Amplifier. Refurbished and updated by me. The case isn't a'10' but don't just judge a book by its cover! A set of tested, matched. Added HV slow-blow fuse in HV lead, plus spare fuse. Replaced main fuse holders with circuit breakers. Removed grid chokes from tube sockets and directly grounded the grids.
Added 2 150v Gas Discharge tubes from each filament lead to ground. Installed 270-ohm 35w load resistor across input. Checked each HV capacitor and equalizing resistor... Installed grid idle current diode mod.
Contact shipper and me so a claim can be initiated. The item "Ameritron AL-811H Amp Refurbished-Updated NOS Tubes Tested" is in sale since Monday, February 11, 2019. This item is in the category "Consumer Electronics\Radio Communication\Ham, Amateur Radio\Ham Radio Amplifiers".
- Brand: Ameritron
- Model: AL-811H
- Max. Output Power: 800w PEP
- Band: HF
- Supported Modes: CW
- Modified Item: Yes
- Modification Description: see description.