On Sale At thetwenty.org!

Tube Power Amp


Sound Valves VTA 70 Tube Stereo Power Amp - Dynaco ST 70 Update

$900.00


Stereo 6P1 Vacuum Tube Amplifier Class A Single-Ended Power Amp 6.8W×2 Black

$266.99


RAULAND CORP. EARLY 1940’s 2A3 MONO TUBE AMP HI-FI DIY PROJECT (working)

$47.00


Homebrew Stereo Tube Amplifier 5881/6L6/12AX7 Push-Pull Serviced Working

$360.00


Black 6P1 Vacuum Tube Power Amplifier Hi-Fi Stereo Integrated Headphone Amp

$286.99


Fisher 680-A Stereo Amplifier 7591 tube recapped and rebuilt

$725.00


Tube Amp Power Transformer

$30.00


Matched Pr Pilot 901 Tube Amplifiers, 1953, Working, New Parts, Clean

$1,350.00


Quad Lot of Mesa EL84 6BQ5 Test Strong Matched Amp Power Vacuum Tubes

$19.99


Rare Vintage Hadley 601 Stereo Vaccum Tube Amplifier Fair Working Condition

$180.50


Audio Research D-115 Vintage Stereo Tube Power Amplifier

$1,679.00


NICE ANTIQUE BOGEN M-330A TUBE AMPLIFIER 30W VINTAGE POWER AMP CLEAN POWERS UP

$124.95


STEREO TUBE AMPLIFIER INSPIRE by DENNIS HAD SET TRIODE SINGLE ENDED AMPLIFIER

$1,395.00


Mini U606 Vacuum Tube Amplifier Audio HiFi Push-Pull Stereo Headphone Power Amp

$30.83


Vintage Power Amplifier Ampex Tube 6v6 (A Pair)

$329.95


Audio Radio VACUUM TUBE SE mono amplifier UNBUILT electronic KIT w/ power supply

$39.00


Audio Research VT-100 MKII TUBE Stereo Power Amp with KT120s and bias set!

$2,195.00


RESTORED CONN Stereo USA 6L6 7027A TUBE POWER AMPLIFIER - PLUG-N-PLAY 80 WATT

$785.00


Beard Tube P 100 Power Amp

$1,000.00


PHILCO tube stereo power amp with home made. Rare & ready to use w/tested

$293.00


Vintage Precision (Grommes) Tube Stereo Integrated Amplifier Uses EL84/7189/6BQ5

$499.99


RARE Vintage Masco MA-25N Tube Amplifier!

$200.00


RESTORED CONN Stereo USA 12V6 TUBE POWER AMPLIFIER - PLUG-N-PLAY 20 WATT

$475.00


pair antique sound labs wave DT 6bm8 ecl82 mono tube power amplifiers tested

$375.00


Vacuum Tube M8 HiFi Power Digital Amplifier Bluetooth 6J1 Electron Tube US SALE!

$64.04


Magnavox Stereo Tube Amplifier 6BQ5 Outputs

$189.00


Console Stereo Tube Amp 10w/channel Push-Pull EL84s Conversion.

$324.00


Vintage Grundig tube power amp.excellent condition. w/tested. Germany

$597.00


DYNACO DYNAKIT STEREO 70 TUBE POWER AMP

$700.00


VINTAGE EL34 NOBIS CANTABILE TUBE POWER AMPLIFIER STEREO DYNACO ST70 MARANTZ 8

$1,599.00


VINTAGE MAGNAVOX VACUUM TUBE STEREO POWER AMPLIFIER 9302-00

$175.00


Quicksilver Audio 8417 Mono Block Tube Amplifiers

$1,249.00


Dynaco Stereo st35 Tube Amplifier with output board, power supply upgrade

$950.00


PAIR RESTORED KNIGHT Deluxe Chrome TUBE POWER AMPLIFIERS & CAGES

$1,090.00


Vintage Leslie Speaker 46w Tube Amplifier Mono 6L6 amp Jensen F15LL Power amp

$499.00


AUDIO NOTE P2-SE SIGNATURE SOUND SINGLE ENDED TUBE AMPLIFIER PRE AMP SUPERB

$2,495.00


Scott 99c Pre/Power Tube Amp

$400.00


Vintage FISHER 510 ST Mono EL84 P/P Tube Amplifier - Orignal Tubes - Nice!

$199.95


300B Stereo Tube Amp Singled Ended A N K Hi-Fi Power Amplifier with all Tubes

$1,900.00


Vintage Garnet - "ZAK" - Stencil Tube Amp Head 2X 6L6 power

$699.00