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Preamplifiers, Tube Preamps

An electronic amplifier is a device for increasing the current, voltage or power of a signal. It does this by taking power from a power supply and controlling the output to match the input signal shape but with a larger amplitude. more...

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5 6189W 12Au7 Fisher Scott preamplifier amplifier tuner tubes Tube lot # 155 6189W 12Au7 Fisher Scott preamplifier amplifier tuner tubes Tube lot # 15 $7.50 Lot Of Ten (10) 12Ax7 Ecc83S Jj Electronic Guitar 1 Gold Pin Preamp UntestedLot Of Ten (10) 12Ax7 Ecc83S Jj Electronic Guitar 1 Gold Pin Preamp Untested $41.00
Lot Of Ten (10) 12Ax7 Ecc83S Jj Electronic Guitar Amp Preamp Tubes UntestedLot Of Ten (10) 12Ax7 Ecc83S Jj Electronic Guitar Amp Preamp Tubes Untested $51.00 Lot Of Ten (10) 12Ax7 Preamp Tubes Mesa Engineering UntestedLot Of Ten (10) 12Ax7 Preamp Tubes Mesa Engineering Untested $41.00
Two (2) Vintage Heathkit Wa-P2 Preamplifier for Tube Amplifier “As Is”Two (2) Vintage Heathkit Wa-P2 Preamplifier for Tube Amplifier “As Is” $25.49 Lot Of Ten (10) Marshall Ecc83 / 12Ax7 Preamp Tubes UntestedLot Of Ten (10) Marshall Ecc83 / 12Ax7 Preamp Tubes Untested $31.00
2 12Bh7A Altec Fisher Scott preamplifier amplifier tuner tubes Tube lot # 182 12Bh7A Altec Fisher Scott preamplifier amplifier tuner tubes Tube lot # 18 $10.50 Lot Of Ten (10) 12Ax7 Gt Ecc83S Groove Tubes Guitar Amp Preamp Tubes UntestedLot Of Ten (10) 12Ax7 Gt Ecc83S Groove Tubes Guitar Amp Preamp Tubes Untested $32.00
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Prices current as of last update, 08/14/25 9:20pm.
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