Brand New Current Matched Pair (2) Electro-Harmonix KT90 Vacuum Tubes

$161.01 $96.61

SA-1000 Audiophile Tube Preamplifier Audio Electric Tube 4 Inputs F4U6

$68.37 $41.03

Assembeld Tube preamp PSU board DC200V + DC200V +DC12.6V

$19.32 $11.59

New Gain Matched Pair (2) Svetlana 12AX7 / ECC83 Vacuum Tubes

$61.29 $36.77

dbx 676 Tube Microphone Preamplifier Channel Strip / mic pre amp //ARMENS//

$1095.6 $657.36

Aluminium Alloy Multifunctional HiFi Valve Headphone Amplifier For Mobile Phones

$31.67 $19.0

RCA 6SN7GTB 1958 BLACK PLATES BOTTOM D GETTER MATCHED TRIODE MAXI PREAMP TESTED

$27.28 $16.37

Marantz Model 7 Stereo Console Preamplifier 100V USED JAPAN Siemens ECC83 Tube

$7920.0 $4752.0

TV-7 & AMP TESTED PHILIPS ECC83 / 12AX7 HOLLAND TUBE GREY PLATE HALO GETTER

$57.16 $34.3

PJ MIAOLAI A9 Tube Preamplifier HiFi Bluetooth 5.0 Mini Amplifier Music Player

$44.37 $26.62

Pair Sylvania 5963 12AU7 ECC82 Same Date LIFE TEST EXCELLENT Tube

$33.84 $20.31

Repair Service For Dizengoff Audio D4 Micpre 6-Mon Warranty

$308.0 $184.8

FULL JJ REPLACEMENT TUBE SET FOR FENDER BLUES DEVILLE TUBE AMP 12AX7 6L6

$131.96 $79.18

German D.Klimo LAR Gold Plus Tube MM/MC Phono Stage Pre-Amplifier Board DIY Kit

$228.23 $136.94

Musical Paradise MP-701-MK3 Electronic Tube Amplifier Stabilizing Preamplifier

$794.2 $476.52

KUSTOM TUBE 12A Small guitar tube (vacuum tube) amplifier 12W

$255.2 $153.12

Matched Pair Sylvania 5963/12AU7/ECC83 Preamp Vacuum Tube Valve- Bangybang.tube

$81.32 $48.79

1pc (ONE) RCA 6AU6A EF94 CV4027 Label National NOS NIB Life Test Excellent Tube

$8.32 $4.99

RCA 12AX7A Vintage Preamp Vacuum Tube Tested Good for Guitar Amp USA

$24.64 $14.78

JJ Electronic ECC83S Tube, Brand New in Box !

$16.63 $9.98

HiFi Vacuum Preamp Tube Stereo 4-way Audio Switcher Box Desktop Headphone Amp

$66.82 $40.1

Mini Vacuum Tube Headphone Amplifier Desktop Audio Preamp for Home Stereo System

$29.03 $17.42

EVH 5150III 100S 100W Amplifier Tube Head Black Stealth

$2156.0 $1293.6

Sylvania 6GU7 Vacuum Tube(s)

$3.96 $2.38

Mullard 1U4 DT153 DF904 NOS NIB Tested Strong Tube

$8.32 $4.99

Synergy Bogner Ecstasy 2 Channel Preamp Module - Used

$316.8 $190.08

Mini Vacuum Tube Headphone Amplifier Desktop Audio Preamp for Home Stereo System

$29.34 $17.6

(1) GE JG 6021 Subminiature Med. Mu Twin Triode Audio Tube, Preamp !! (8/1956)

$10.56 $6.34

200 PCS 6P14P / EL84 / 6BQ5.Vacuum Pentode Tubes.Reflector.Tested.Mixed by year.

$259.61 $155.77

Nobsound E6 Direct Heated Vacuum Tube Class A Stereo Audio Pre-Amplifier NEW

$44.44 $26.67

Vintage Zenith Ridge Plate 12AU7A/ECC83 Preamp Vacuum Tube Valve- Bangybang.tube

$29.57 $17.75

XDUOO Bluetooth DAC Decoder BT 5.1 Tube Preamplifier ES9018K2M for Amplifiers

$99.49 $59.7

HiFi Vacuum Preamp Tube Stereo 4-way Audio Switcher Box Desktop Headphone Amp

$70.13 $42.08

Closely Matched Lot of 5 Ei 6BQ5 EL84 7189 Code kM4 YUGOSLAVIA Test Strong Tube

$165.84 $99.51

Pair Sylvania 5963 12AU7 ECC82 Same Date LIFE TEST EXCELLENT Tube

$33.84 $20.31

Reflector 6N23P 6DJ8 ECC88 Silver Shield NOS Life Test Excellent Balanced Tube

$39.12 $23.47

RCA 12AU7A ECC82 Top "D" Getter Pre-amp Tube Made In The USA 🇺🇸 Tested

$13.2 $7.92

Radio Tubes 12AX7 ECC83 Amperex Holland 1C4 Code 112/115

$52.8 $31.68

Matched Pair 12AT7/ECC81 Dual Triode Guitar Amp. Audio Vacuum Tube Valve- Bangyb

$81.32 $48.79

ef13 tube nos Telefunken Germany preamp tubes low noise steel valve wartime ww2

$324.73 $194.84

CARY 5Z4P + 6N8P*4 Vacuum Tube Pre-amp PreAmplifier Bare PCB Board

$14.26 $8.56

8CG7/8FQ7 Dual Triode TV/Audio Preamp Tube Tested Free Shipping

$6.52 $3.91

Upgraded 6K4 Tube Preamplifier HiFi Tube Preamp Auido Amp Home Theater DIY

$18.03 $10.82

GE 6X4 EZ90 NOS NIB Grey Plate O-Getter Tested Strong Tube

$8.32 $4.99

Synergy Fryette Pitbull Ultra-Lead 2 Channel Preamp Module, 2 x 12AX7

$337.92 $202.75

Pre-amp for Phono Preamp Tube Board Preamplifier Home Theater

$18.81 $11.29

BRZHIFI PAP-711 Field Effect Tube Class A Preamplifier 220V HiFi Power Amplifier

$321.5 $192.9

JJ Tesla Premium Tube Complement Set for Peavey Classic 30 Guitar Amp Amplifier

$140.8 $84.48

Westinghouse 5V3 Black Plate Double Side O-Getter Tested Like NOS Balanced Tube

$8.32 $4.99

1960's MULLARD MASTER 10M SERIES 12AX7A ECC83 "EMPTY TUBE BOX" NO TUBE INSIDE!

$26.4 $15.84

EL84 6BQ5 6P14 to 6V6 Vacuum Tube Adapter Converter Pre Amplifier Guitar Part

$10.56 $6.34

Phono Preamp for Turntable Stereo Tube Amplifier High Fidelity

$25.52 $15.31

Vintage GE USA Gray Ribbed Plate Halo Getter Pre Amp Vacuum 12AU7A Tube

$17.61 $10.56

2 Rare NOS Mullard DGetter CV455 Edtn ECC81 12AT7 PreampAudioTubes + FreePost

$435.6 $261.36

Upgraded 6K4 Tube Preamplifier Amplifier HiFi Tube Preamp Audio Sounds Amp Board

$17.24 $10.35

Lot of 2 1R5 Westinghouse NOS NIB Untested Tube

$8.32 $4.99

Vacuum Tube Adapter Converter 6X4 Replace 6Z4 Pre Amplifier Guitar New Version

$7.78 $4.67

8348 Amperex NOS NIB Audio Receiver Power Vacuum Tube

$23.76 $14.26

JJ Electronic 12AU7 / ECC82 Preamp Vacuum Tube

$22.03 $13.22

TELEFUNKEN ECC82 12AU7 Vacuum Tube PAIR USED JAPAN vintage audio preamplifier

$475.2 $285.12

GE 12AX7 ECC83 7025 Long Grey Plate Horseshoe Getter Tested Good Balanced Tube

$30.32 $18.19

HiFi 6K4 Tube Preamplifier Amplifier Tube Preamp Audio Amp Home Theater Assembly

$19.36 $11.62

Pair #4 12AU7A ECC82 RCA Clear Top Tested Balanced Matched Vacuum Tube

$30.32 $18.19

HiFi 6K4 Tube Preamplifier Tube Preamp Audio Amp Home Theater DIY Assembly

$20.32 $12.2

BRZHIFI PAP-711 Field Effect Tube Class A Preamplifier 220V Power Amplifier

$305.42 $183.25

Lot of 2 1S5 Westinghouse NOS NIB Untested Tube

$6.56 $3.94

Vintage SYLVANIA E7V 12AU7A ECC82 Pre Amp Vacuum Tube Square Getter 104/100 TV-7

$15.4 $9.24

Standard Tube Set for OddWatt ODDBLOCK

$59.71 $35.83

THE CINCH MILITARY SPECIAL 9 PIN VACUUM TUBE DAMPER SHIELD (BJR7011)

$26.4 $15.84

BEHRINGER MIC100 AUDIOPHILE VACUUM TUBE ULTRAGAIN MICROPHONE PREAMP WITH LIMITER

$83.6 $50.16

10 x mostly NOS Tungsram ECC83 12AX7 Welded & Stapled Plates Vacuum Triode Tubes

$234.61 $140.77

GE 12AX7 ECC83 Short Grey Plate Tested Good BalanceTube

$25.04 $15.03

Premium Matched Pair VALVO EF86 6267 Same Date Tested Strong Vacuum Tube

$100.72 $60.43

Fosi Audio BOX X4 Tube Amplifier Phono Preamp for MM Turntable Phonograph 5654W

$52.8 $31.68

HI-END Stereo ECC82 Vacuum Tube Preamplifier Base On U.S Rogue99 Preamp

$318.56 $191.14

MP-701-MK3 Electronic Tube Amp Filament Voltage Stabilizing Preamplifier 220V

$796.16 $477.7

Tung-Sol 1U5 DAF92 NOS NIB Life Test Excellent Tested Emission 100% Tube

$8.32 $4.99

Mini Vacuum Tube Headphone Amplifier Desktop Audio Preamp for Home Stereo System

$29.34 $17.6

Vintage Conrac 12AU7A/ECC83/5814 Preamp Vacuum Tube Valve- Bangybang.tube

$29.57 $17.75

1pc Mullard AZ1 Other Base 1805 AZ11 AZ31 RGN1064 Hanging Filament Tested Tube

$21.52 $12.91

6BC7 Vacuum Tube NOS NIB Various Brand Tested ( price is for one )

$1.72 $1.03

Vintage Stromberg Carlson 5963/12AU7 Preamp Vacuum Tube Valve- Bangybang.tube

$22.18 $13.31

M5 Lossless Music Player Bluetooth 5.0 DAC USB HiFi Tube Preamplifier U Disk SD

$73.92 $44.36

Pair Sylvania 6LB6 6JS6C NOS Life Test Excellent Emission TEST Strong Radio Tube

$77.84 $46.71

Turntable Tube Amplifier Preamplifier Kit Pre-amp for Home Theater

$18.39 $11.03

GZLOZONE PRT-07B Hifi 12AX7 Tube Preamplifier Base On Marantz 7(M7) Circuit PCB

$13.2 $7.92

TUNG-SOL 6SN7 GT TUBE 1950s LEGENDARY BOXED GRAY PLATES TV7 TESTED STRONG

$61.6 $36.96

Universal Audio 4-710d Mic Pre Amplifier PREAMP - NEW - PERFECT CIRCUIT

$1759.12 $1055.48

Flagship Version 6th Generation HiFi Electronic Tube Power Amplifier 4 KT88 Tube

$2101.44 $1260.87

6S4A RARE CBS Vacuum Tube Vintage Guitar ? pre amp antique parts old radio audio

$7.48 $4.49

Standard Tube Set for Marshall JMD1 JMD100

$100.98 $60.59

Synergy Amps Fryette Pittbull Ultra-Lead Pre-Amp Module

$352.0 $211.2

6J1 Tube Preamp Amplifier Board Pre-amp Headphone Buffer Kits DIY Assortment

$10.0 $6.0

Fender Princeton Recording Amp - Lightly Used

$792.0 $475.2

Pre-amp for Phono Preamp Preamplifier Home Theater System Tube

$18.39 $11.03

Mini Vacuum Tube Headphone Amplifier Best HiFi Stereo Preamp Audio Amp

$36.08 $21.65

Nobsound E6 Direct Heated Vacuum Tube Class A Stereo Audio Pre-Amplifier NEW

$44.42 $26.65

Sylvania 6SL7GT NOS NIB Black Plate Chrome Top Tested Balanced Tube

$25.04 $15.03

Brand New Gain Tested Electro-Harmonix 12AT7 ECC81 Gold Pins Vacuum Tube

$38.34 $23.0

Peavey 6505® MH

$616.0 $369.6