2 Sylvania JAN CHS 6SL7GT VT-229 Black Plate Navy UTS ANCHOR Vacuum Tubes

$79.2 $47.52

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

$44.61 $26.77

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

$321.47 $192.88

Finished HiFi EL34-B Vacuum Tube Amplifier Class A Single-ended Stereo Power Amp

$259.61 $155.77

Mojotone 12AT7 Vacuum Tube

$29.92 $17.96

76 tube pair fivre italy preamp tubes VALVE amplifier BLACK TYPE AMP 45 2A3 50

$325.61 $195.36

Tung-Sol 5V4G Label Emerson Tested Strong Balanced Tube

$14.48 $8.69

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

$23.76 $14.26

Mullard 1U4 DT153 DF904 NOS NIB Tested Strong Tube

$8.32 $4.99

AMPEREX HOLLAND ECC88 6DJ8 ORANGE ERA STAGE GETTER PHONO GRADE TEST NOS+ 1968

$21.96 $13.18

Luxman Cl35Ii Preamp Junk Condition Vintage High-Fidelity Preamp

$761.91 $457.15

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

$66.83 $40.1

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

$22.87 $13.72

Box X4 Phono Preamp with JAN 5654W Vacuum Tubes for MM Turntable Phonograph Reco

$98.56 $59.14

Brand New In Box Current Tested Electro-Harmonix KT88 Vacuum Tube

$67.57 $40.54

Brand New In Box Matched Quad (4) Electro-Harmonix 5U4GB Vacuum Tubes

$103.18 $61.91

Gain Matched Trio (3) Sovtek 12AX7WC 7025 ECC83 Vacuum Tubes - Brand New

$86.03 $51.62

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

$96.79 $58.07

Hifi stereo 6j4+6p6p Class A tube preamplifier DIY Kit a full set

$156.65 $93.99

12AX7 RCA 17MM LONG GREY PLATE VINTAGE PREAMP TUBE NOS (1955)

$102.96 $61.78

T9 Preamplifier 2x6E2 HiFi Tube Amplifier MM/MC Turntable Microphone Amp tp1

$85.4 $51.24

SYLVANIA 12AU6 A 8426 TUBE gm MATCHED PAIR SUPER SWEET TONE

$3.51 $2.11

6J1 Valve Pre-amp Tube PreAmplifier Board Bass on Musical Fidelity X10-D circuit

$10.78 $6.47

4 x GE 6SL7GT preamp tubes, Tested Good ! (1-4)

$75.29 $45.18

1x NOS Philips Valvo 6201 E81CC ECC81 12AT7 Test STRONG Df1 D-getter Vacuum Tube

$246.4 $147.84

New Electro-Harmonix 6H30Pi GOLD PINS Pair (2) Vacuum Tubes. Tested 100%

$114.4 $68.64

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

$29.57 $17.75

McIntosh C20 Stereo Tube Preamplifier (Serviced & Recapped)

$5979.6 $3587.76

Matched Pair General Electric GE 12AU7/ECC83/5814 Vacuum Audio Tube

$96.1 $57.66

Confirmed Operation Art Tube Mp Microphone Preamp Vacuum Dtm Music Production Us

$180.7 $108.42

1 x USA 12AU7 / ECC82 preamp tube, Dumont print, Tested Good !

$11.26 $6.76

Reflector 6SL7GT 6N9S 6H9C NOS USSR Foil Getter Tested Strong Balanced Tube

$16.24 $9.75

6K4 Tube Preamplifier Amplifier DC12V 16V Sound Pre Amp for Amplifier Speaker

$18.53 $11.12

A9 HiFi Tube Preamp Headphone Amplifier Bluetooth 5.0 Receiver U Disk Playing ts

$42.37 $25.42

WARM AUDIO WA-MPX Authentic Reproduction Single-Channel Tube Mic Preamp

$660.0 $396.0

AOSIBAO M18 Tube Preamp Amplifier Mini Bluetooth Integrated Amp Rated 35W sup

$76.12 $45.68

Brimar 5V4G CV729 Label 5Z4G NOS NIB Tested Strong Balanced Tube

$86.64 $51.99

TYPE ST 80 Vacuum Tubes - Various Brands - USA - $15.95/ea (TESTED & GUARANTEED)

$10.53 $6.32

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

$44.43 $26.66

Musical Fidelity X-CAN v2 New Technology Class A Tube Headphone Amplifier + AC

$277.2 $166.32

12X4 Mix ANOS Audio Receiver Rectifier Vacuum Tubes Tested Trio

$18.48 $11.09

75 tube nos Fivre Italy preamp tubes pair matched brown test strong driver 300b

$395.12 $237.08

HiFi Vacuum Tube MM/MC Phono Stage Preamp Mini Class A Turntable Preamplifier

$46.81 $28.09

FULL JJ REPLACEMENT TUBE SET FOR MESA BOOGIE TRIPLE RECTIFIER AMP 12AX7 5U4 EL34

$334.36 $200.62

Eastern Transmission Audio 6N11 6N3 Split Preamplifier Tube Preamp +Power Supply

$271.92 $163.16

Albit A1Fd Pro Vacuum Tube Guitar Bass Preamplifier

$532.12 $319.28

Pair Telefunken E88CC Gold Pin 6922/6DJ8 Diamond AT1000 Tested STRONG U2107904a

$351.8 $211.08

4X New RTT 6BQ7 6BZ7 Tube Amp Radio Audio Pre Amp tested VG

$22.0 $13.2

Vacuum Electron Tube Valve Preamp Preamplifier Board Turntable

$22.88 $13.73

Phono Preamp Tube Turntable Amplifier Pre-amp for Hifi System

$26.56 $15.94

Vintage RCA 5879 Tube Vacuum Audio Electron Amplifier Preamp Tested VG+ Balanced

$39.6 $23.76

Closely Matched Pair GE 6550A Tested Strong Tube

$157.04 $94.23

Mojotone 12AX7 Vacuum Tube

$44.0 $26.4

Synergy Fryette Deliverance Guitar Preamp Module

$352.0 $211.2

ART Dual MP 254 19" Rack Mount Preamps Tube Microphone Preamplifier EUC

$188.87 $113.32

#2 SONIC FRONTIERS LINE 2 VACUUM TUBE STEREO PRE-AMPLIFIER - MINT W REMOTE + BOX

$2706.0 $1623.6

EVH 5150 Iconic Series 15W 1x10 Tube Guitar Combo Amp Black

$572.0 $343.2

Tungsram EC92 6AB4 Test GOOD 60s Foil DIsk Getter Triode Vacuum Tube NEUMANN Mic

$7.04 $4.22

Pair of Tung-Sol EF806 SG/6267 Gold Pin Preamp Vacuum Tube

$122.07 $73.24

Lot of 3 (Trio) TESLA E34L EL34 6CA7 Old Czech Republic Tested Like NOS Tube

$174.64 $104.79

FULL JJ REPLACEMENT TUBE SET FOR MARSHALL JMP & JCM800 50W 12AX7 EL34

$123.16 $73.9

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

$22.4 $13.44

Lot of 2 Sylvania 6L6GA Tested Strong Tube

$42.64 $25.59

2 PCS 6J1P Valve Vacuum Tube for PreAmplifier Board Headphone Amplifier Module

$3.76 $2.26

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

$32.54 $19.53

Tube-T5C HiFi Vacuum Tube Preamp USB DAC Stereo Headphone Amplifier APTX-Black

$82.77 $49.66

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

$21.29 $12.78

Ken-Rad 6F5G Black Plate Foil Getter Life Test Good Tube

$14.48 $8.69

Amperex PCC189 7ES8 Code IP7 Delta 5E5 similar ECC88 6DJ8 Tested Amp Guitar Tube

$21.52 $12.91

ART PRO VLA-II 2 Channel Rackmount Mic Preamp

$396.0 $237.6

1 x NOS Sylvania JHS 12AT7 preamp tube, Tested Good !

$15.03 $9.02

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

$28.99 $17.4

Pair Sylvania 6L6GC Grey Plate Top O-Getter Tested Good Tube

$69.04 $41.43

Hifi Audio Amplifier 4 In 2 Out Electric Tube Stereo Preamp (Champaign Gold)

$49.82 $29.9

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

$36.96 $22.18

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

$15.03 $9.02

GE 5814A 12AU7 ECC82 NOS NOB 5-STAR 3-Mica Tested Strong Balanced Tube

$25.04 $15.03

Brand New Plate Current Tested Svetlana SV83 / 6P15P Vacuum Tube

$23.33 $14.0

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

$72.49 $43.5

Standard Tube Set for Fryette Memphis 30

$159.72 $95.84

Standard Tube Set for Universal Audio SOLO / 610

$34.24 $20.54

Sylvania 6CW4 6DS4 Nuvistor NOS NIB Life Test Excellent Emission Over 100% Tube

$15.36 $9.22

1pc Matsu/Mullard 12BY7 Label Amperex Same Date NOS NIB Life Test Excellent Tube

$19.76 $11.86

BRZHIFI 6J5 F5 Tube Preamplifier Bluetooth 5.0 Lossless Player Headphone Amp sup

$59.84 $35.91

6J1 Vacuum Electron Tube Valve Preamp Amplifier Board Headphone Fidelity Kit

$13.26 $7.96

Linlai E6SN7 Vacuum Tubes Match Pair - Replace 6SN7 Valve Tube Audiophile Tube

$140.8 $84.48

Bad Cat Amplifiers Cub V EL84 Point to Point Head 15W Amp Direct Ship

$2376.0 $1425.6

VACUUM TUBE RAYTHEON 5879

$13.2 $7.92

RCA 6B4G Tested Good Tube

$21.52 $12.91

6CU8 RCA NOS NIB Audio Receiver Pre-amplifier Vacuum Tubes Tested Pair

$17.6 $10.56

12AU7 ECC82 Sylvania Audio Receiver Vacuum Tube Tested Pair

$21.12 $12.67

Standard Tube Set for Marshall Vintage Modern 2466

$263.65 $158.19

Sylvania 7N7 Label CBS NOS NIB Tested Strong Balanced Tube

$21.52 $12.91

2 x GE 6SN7GTA preamp tubes, Tested Good ! (N-21,35)

$30.08 $18.05

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

$32.53 $19.52

SUCA AUDIO DAC-T1 Tube Preamp Hifi Bluetooth 5.0 Headphone Amp Single-Ended sup

$137.28 $82.37

Raytheon 6SL7GT Grey Plate Tested Like NOS Balanced Tube

$21.52 $12.91

RCA Type 83 Hanging Filament Black Plate Tested Strong Balanced Tube

$42.64 $25.59

76 tube Fivre Italy preamp tubes single valve amplifier black type amp 45 2A3 50

$157.53 $94.52

New Gain Matched Trio (3 pcs) Electro-Harmonix 12DW7 ECC832 Vacuum Tubes

$122.59 $73.56