1950s Heathkit 9-AC 20 Watt mono tube Amplifier 6L6
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Sdogtype2 About Us Welcome to the original Sdogtype2. Please put your trust into us as we have shown that we are a quality seller. Also look for our new sister site sdogtype2-auctions, this is just another addition to the Sdogtype2 growing family. Item Description MORE PHOTOS AT END OF PAGE .... Vintage 1950s HeathKit A-9C 20 watt mono tube amplifier. This amplifier hasn’t been tested as it needs a new tube and hasn’t been used in many years so I assume a rebuild is in order. This is the second version of the unit that came wit h a gray base instead of the normal HeathKit gold base. Needs new end knobs and the selector knob needs to be shortened to fit the look of the others. They look as they were pick your size as they had marks were they could the broken down to a smaller size. Sorry no manuals or schematics are included in the sale. Full 20 watt output--push-pull 6L6 tubes Separate bass and treble tone controls True hi-fi performance ±1 db 20 to 20,000 cycles Four switch-selected compensated inputs Miniature tubes for low hum and noise level Specifications—Power Output: 20 watts. Frequency Response: ± 1 db-20 to 20,000 cps at 1 watt. Total Harmonic Distortion: 1% (at 3 db below rated output). Tone Controls: Bass (at 30 cps)—15 db boost, 15 db cut; Treble (at 15 kc)—15 db boost, 20 db cut. Tube complement: 12AX7
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