HiFi Turntable Phono Stage Preamp w/GE5654 Tube Audio Preamplifier Headphone USA

$96.47 $57.88

Nobsound E6 Direct Heated Vacuum Tube Class A Stereo Audio Pre-Amplifier 2024 US

$40.1 $24.06

New JJ Tesla 6CA7 Fat Bottle EL34 PLATE CURRENT Matched Octet (8) Vacuum Tubes

$261.46 $156.88

Nobsound E6 Direct Heated Vacuum Tube Class A Stereo Audio Pre-Amplifier 2024 US

$44.43 $26.66

Closely Matched Pair Sylvania Type 56 Same Date NOS NIB Life Test Great Tube

$30.32 $18.19

4 x NOS Telefunken ECC803S Test V.STRONG ◇Diamond Frame Grid Triode Vacuum Tubes

$3476.0 $2085.6

6BQ5 EL84 Sovtek Audio Receiver Guitar Amplifier Vacuum Tubes Tested Pair

$20.24 $12.14

Matched Pair Sylvania 6CL6 6677 Same Date NOS NIB Life Test Excellent Tube

$12.72 $7.63

Lot of 2 RCA 6SN7GT Black Plate Bottom D-Getter Tested Tube

$21.52 $12.91

6J1 Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio Musical Fidelityjc

$18.19 $10.92

1961 Fender Vibrasonic Brown Panel Vintage Tube Amp 6G13-A 1x15 JBL D130

$4840.0 $2904.0

Pre-amp for Phonograph Vacuum Electron Tube Valve Preamp Amplifier Turntable

$28.76 $17.26

Pre-amp for Phonograph Preamplifier Home Theater System Tube

$19.8 $11.88

HiFi Turntable Phono Stage Preamp w/GE5654 Tube Audio Preamplifier Headphone NEW

$91.11 $54.67

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

$44.44 $26.67

12AX7 (5751) + 12AU7 (5963/5814) Bile Preamp Tube Preamp

$85.33 $51.2

New Current Matched Octet (8) Psvane KT88-T Classic MKII II Series Vacuum Tubes

$796.96 $478.18

12X4 Mix ANOS Audio Receiver Rectifier Vacuum Tubes Tested Trio

$18.48 $11.09

Standard Tube Set for Vox AC15C1

$79.86 $47.92

RCA 6GU7 Vacuum Tubes, Used Pair

$2.64 $1.58

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

$66.83 $40.1

Pre Amplifier Home Audio Tube Preamplifier Kit Finished Board

$28.68 $17.21

Tung-Sol 6SL7GT Label Barber Colman NOS Tested Strong Balanced Tube

$25.04 $15.03

SUCA AUDIO DAC-T1 Tube Preamplifier Preamp Hifi Bluetooth5.0 DAC Single-Ended

$131.22 $78.74

Supro Black Magick Reverb Head 197881042776 OB

$1055.3 $633.18

12W6GT Vacuum Tube Various Brands ( price is for one ) NOS/NIB

$0.88 $0.53

Warm Audio WA-2MPX Dual-Channel Tube Mic Preamp

$1231.13 $738.68

6072A JAN GE 6072 12AY7 BLACK PLATE TUBE NOS NIB *eTRACER*

$145.46 $87.28

220V 50W Transformer R type for Tube preamp 265V-0-265V 3.15V-0-3.15V 12.6V

$74.8 $44.88

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

$161.01 $96.61

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

$13.2 $7.92

Vintage Dumont 12AU7/ECC82/5814 Preamp Vacuum Tube Valve- Bangybang.tube

$36.96 $22.18

Vintage Raytheon 6AW8A Western 349a preamp Triode Pentode Audio Vacuum Tube Val

$22.18 $13.31

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

$28.97 $17.39

RCA JRC 12AX7 ECC83 TUBE DATE MATCH PAIR TEST LOW BUT STILL IN THE GOOD

$87.02 $52.21

6J2 Valve Vacuum Tube for PreAmplifier Board Headphone Amplifier DIY New A3GU

$3.19 $1.92

Telefunken 1U4 DT153 DF904 NOS Tested Strong Tube

$10.96 $6.58

Electronic Amplifier, 6J1 Tube Valve Amplifier Tube Amplifier 6J1 Vacuum Elec...

$23.68 $14.21

JJ Electronic Matched Quad (4) 5Y3 Rectifier Vacuum Tubes - Brand New

$116.93 $70.16

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

$19.32 $11.59

Genalex Gold Lion GZ34/U77 Rectifier Tube

$56.32 $33.79

6072A GE GENERAL ELECTRIC 6072 12AY7 BLACK PLATE TUBE NOS NIB (1977) *eTRACER*

$145.46 $87.28

ECC82 RFT STRONG MATCHED TESTED NOS TUBE = 12AU7 B329 CC82E E812CC CV491 E2163

$32.48 $19.49

6J1 Hifi Stereo Electronic Tube Preamplifier Board Finished Preamp Amplifer

$12.22 $7.33

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

$32.54 $19.53

Synergy Friedman DS 2-channel Preamp Module

$299.2 $179.52

Manley Labs Force 4-Channel Mic Preamp / Studio pre amp / in box

$2244.0 $1346.4

DIY Kit Stereo Valve Pre-amp Tube Pre Amplifier Audio Preamplifier Board Buffer

$13.32 $7.99

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

$32.55 $19.53

Fosi Audio Box X1 Hi-Fi Phono Preamp for Turntable MM Phonograph Preamplifier

$21.08 $12.65

Closely Matched Sections GE 6SL7GT True NOS NIB Tested Strong Balanced Tube

$25.04 $15.03

Vintage Motorola By Tung-Sol 6SN7GT Vacuum Tube Radio Audio Preamp Amplifier

$52.8 $31.68

6CY5 Vacuum Tube Various Brands (1 tube ) Used ALL Tested as NOS

$0.88 $0.53

DEMO Fender Limited Edition Blues Junior IV Cannabis Rex - Blonde (642)

$748.0 $448.8

Reflector 6N23P-EV USSR Soviet 6DJ8 ECC88 Life Test Excellent Tube

$19.76 $11.86

1 x Magnavox 6SN7GTA preamp tube with box,, Tested Good !

$15.03 $9.02

Avalon Design VT-737 SP Vacuum Tube Channel Strip 10th Anniversary VT737SP

$2596.0 $1557.6

Lot of 2 6L6GB One Tested Good Tube

$25.04 $15.03

6J1P Valve Vacuum Tube for PreAmplifier Board Headphone Amplifier DIY Module NEW

$1.9 $1.14

ART DIGITAL MPA-II 2 Channel Rackmount Live and Studio Mic Preamp

$528.0 $316.8

6J1 Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio Musical FidelityPR

$18.39 $11.03

FX-Audio Tube-01J Vacuum Tube Preamp – Black Edition

$59.84 $35.91

Telefunken EF804 Tested Very Strong 3.2mA Amp Guitar Audio Vacuum Tube

$60.24 $36.15

Pair of 1963 GE 6201 JG-12AT7WA ECC81 12AT7 Dual Support Rods Tubes - TV7 Tested

$25.52 $15.32

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

$301.84 $181.11

NOS 1960 TUNG-SOL 5687 17.5mm BRONZE PLATE PAIR D-Getter Ring for🎵 AudioNote 🎵

$221.76 $133.06

GE 6AS7GA 6Н5С 6N5S NOS NIB 1957 Life Test Excellent, Emission Over 100% Tube

$30.32 $18.19

McIntosh C2700 Stereo Tube Preamplifier; MM & MC Phono

$5229.84 $3137.91

Hitachi 12AX7A ECC83 Short Grey Plate O-Getter Tested Good Balanced Tube

$25.04 $15.03

1 x NOS Siemens & Halske E283CC ~E83CC Triple Mica Layer Munich made Triode Tube

$86.88 $52.13

Preamp Stereo Audio HiFi Tube Preamplifier 12AU7 12AX7 6Z4 Vacuum Tube US

$313.28 $187.97

Lot of 2 1S4 Emerson NOS NIB Untested Tube

$6.56 $3.94

T3-PLUS MM MC Phonograph Preamp Phono Preamplifier Vacuum Tube Headphone Amp

$74.41 $44.65

6J1 Hifi Stereo Electronic Tube Preamplifier Board Finished Preamp Amplifer

$12.05 $7.23

6J2 Valve Vacuum Tube for Headphone Amplifier PreAmplifier Module Replace 6J1

$2.5 $1.5

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

$32.54 $19.53

Amptata 6X4 to 6Z4 Vacuum Tube Adapter Converter Pre Amplifier Guitar valve Part

$7.86 $4.72

Vintage Altec Lansing 303C Vacuum Tube Tuner Pre Amplifier, perfect working

$668.8 $401.28

Vintage TungSol 5814/12AU7/ECC83Preamp Vacuum Tube Valve- Bangybang.tube

$29.57 $17.75

Vintage GE 6SL7 GT Vacuum Tube. Mica Tested Side Getter Radio Amplifier Preamp

$15.4 $9.24

7360 RCA Audio Receiver Power Vacuum Tubes Tested

$23.76 $14.26

2 Sylvania & 1 RCA 6B10 Test Strong Compactron Vintage Radio TV Vacuum Tubes Lot

$3.96 $2.38

1 x NOS RFT? ECC82 12AU7 Test STRONG German 1960s Audio Dual Triode Vacuum Tube

$11.06 $6.64

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

$1.72 $1.03

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

$12.65 $7.59

Blackstar Artist 10 AE 10th Anniversary Electric Guitar Tube Amplifier with FTSW

$529.76 $317.86

Blackstar HT-1RH MKIII 1 Watt All Tube Amplifier Head

$378.4 $227.04

Sylvania 6BX7GT Tested Good Tube

$8.32 $4.99

Preamp Stereo Audio HiFi Tube Preamplifier 12AU7 12AX7 6Z4 Vacuum Tube 110V/220V

$330.0 $198.0

The Fisher Model 400C Vacuum Tube Stereo Preamplifier FACEPLATE

$264.0 $158.4

Phono Preamp for Turntable Pre-amp Hifi System Tube Amplifier

$31.59 $18.95

Universal Audio 710 Twin-Finity Single Channel Tube/FET Preamp and DI

$879.12 $527.48

6350 Sylvania Audio Receiver Guitar Vacuum Tubes Tested Pair

$25.52 $15.31

AV-889 Hifi Tube Amplifier 200Wx2 Vacuum Tube Amp Bluetooth USB Lossless Decoder

$315.35 $189.21

Amperex 6AQ8 ECC85 Tested Like NOS Balanced Tube

$25.04 $15.03

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

$19.55 $11.73

Yong Heng Zhi Yin X9 40W Hifi Tube Preamplifier Class A Tube Preamp w/ Remote sz

$1676.4 $1005.84

Fosi Audio BOX X2 Stereo Tube Amplifier Phono Preamp for MM Turntable Phonograph

$48.4 $29.04

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

$68.37 $41.03

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

$61.29 $36.77