On Sale At thetwenty.org!

Tube Power Amp


VINTAGE AMP MAGNIFICENT MAGNAVOX HI-FI STEREO TUBE POWER AMPLIFIER W/ 6BQ5 TUBES

$75.00


MS-10D MKII Hi-Fi Bluetooth Vacuum Tube Amplifier Stereo Integrated Power Amp

$79.00


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

$266.99


Dynaco ST-70 tube stereo power amp- working well

$389.00


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

$286.99


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

$1,095.00


Vintage Magnavox Tube Stereo Power Amplifier 9302 9301 9304 DCG Modded Restored

$450.00


Power tube amplifier w/ Accrosound TO-320, Acrosound TP-520, UTC S29 , 2x 6V6GT

$349.99


Vintage Magnavox 175 FF Tube Amp With Tubes - Powers up...

$60.00


2 mono Single-ended stereo 45 tube audio amplifier W/ Tamura output Transformers

$305.00


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

$39.50


DYNACO Vintage Dynakit ST-70 Stereo or Mono Power Tube Amp (Vintage) with manual

$350.00


BOGEN 6V6 TUBE POWER AMPLIFIER ORIGINAL WORKS VERY WELL

$99.00


Vintage Tube Amp tremello 3 Watts Guitar Amp harp Amp

$99.99


Custom hand made Single-ended stereo 45 tube audio amplifier Tamura Transformers

$483.78


Mini 6J9 Vacuum Tube Amplifier Audio HiFi Push-Pull Stereo Headphone Power Amp

$30.83


DYNACO DYNAKIT ST-70 AMPLIFIER - NICE - NEW MATCHED EL34 TUBES

$315.00


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

$475.00


Dynaco ST35 Tube Power Amplifier rebuilt w/ Gillespie PS boards audiophile parts

$699.00


Eico Model HF-30 Vacuum Tube Power Amplifier - EL84 -Push-Pull Monoblock

$250.00


COUNTERPOINT NPS-400A MK II TRIODESTATE STEREO TUBE POWER AMPLIFIER

$355.00


Vintage 1940's RCA MI-9335-B Theater Monitor 6L6 6SN7 6J7 5U4 Tube Amplifier Amp

$10.50


Counter Point SA-12 Tube Hybrid Stereo Power Amplifier

$102.50


(Decware) KIT-Built SE84C tube amplifier

$520.94


1920s "RCA" Tube Mono "71A" Amplifier #AP-754...Western Electric Era...Look...NR

$9.99


Tube Amp Power Transformer 675V 275mA, 6.3Vct 5A and 70V bias, 6550, EL34

$32.99


Fisher 30A mono tube amplifier pair (2) w tubes

$700.00


Counterpoint SA-12 Tube Hybrid stereo power amplifier 

$325.00


SOUNDFOREMEN AK4002 VALVE POWER AMPLIFIER EL34 TUBE HIGH END with passive PREAMP

$365.65


Wavebourn high end vacuum tube amplifier prototype Edelweiss-3

$1,262.00


Mesa Boogie Stereo Simul Class 295 Rack Mount Tube Power Amplifier Amp

$599.00