AMPEREX 12AX7 ECC83 BUGLE BOY HEERLEN HOLLAND RIBBED PLATES MATCHING SET NIB

$410.47 $246.29

Matched Pair TungSol 12AU7/ECC83/5814 Preamp Vacuum Tube Valve- Bangybang.tube

$103.49 $62.1

SA-20 Bluetooth HiFi Class Stereo Preamplifier 2.0 Channel Home Audio Preamp

$80.96 $48.58

Beyond Tube Preamp 2S Vacuum _50882

$314.55 $188.73

SUMMIT AUDIO TD-100 Tube Instrument Preamp / Direct Box Processor

$616.0 $369.6

HIFI Bluetooth 5.1 Tube Amplifier Stereo Audio Amp Receiver Headphone Amp 80W×2

$107.53 $64.52

T8 6N3 Digital Tube Preamplifier Bluetooth 5.0 Hi-Fi Headphone Preamp Decoder

$135.2 $81.12

GE 6U10 Preamp Compactron Tube for Vintage Ampeg Amps and More!!

$5.24 $3.15

New Behringer TUBE ULTRAGAIN MIC500USB Vacuum Tube Preamp Auth Dealer Make Offer

$132.0 $79.2

4 Matched NOS GE USA 12AU7 ECC82 ShortPlate GreyMica Vintage Preamp AudioTubes

$215.6 $129.36

1 x NOS GE 6SL7GT preamp tube, Balanced, Tested (R)

$22.56 $13.54

Pair #2 12AU7A ECC82 RCA Clear Top Tested Balanced Matched Vacuum Tube

$30.32 $18.19

Tube Amplifier Pre-amp for Record Player Audio Preamp Turntable

$19.8 $11.88

Sylvania 6SN7GTB Chrome Dome Angled "T" Plate Tubes PLATINUM MATCHED on AT1000

$52.51 $31.51

Ebs Valve Drive Di Vacuum Tube Bass Preamp Effector

$417.69 $250.61

Brand New Tung-Sol Reissue 7581A KT66 Current Matched Octet (8) Vacuum Tubes

$363.39 $218.04

Brand New Gain Matched Quintet (5) Mullard Reissue 12AU7 Vacuum Tubes

$130.8 $78.48

5 Pcs NOS GE JAN 5654W / 6AK5 - audio radio Preamp Tubes NIB

$26.4 $15.84

RCA JAN-CRC 5Z3 Military Spec Top Side D-Getter Tested Strong Balanced Tube

$21.52 $12.91

Vintage Baldwin Ridge Plate 12AU7/ECC83 Preamp Vacuum Tube Valve- Bangybang.tube

$25.88 $15.53

Hafler Vacuum Tube MIDI Preamplifier with Foot Switch Used

$368.24 $220.95

2 Rare NOS SpecialEdition Tesla E88CC ~ HolyGrail Transparent Telefunken Tooling

$435.6 $261.36

Closely Matched Pair GE 12AX7 ECC83 Short Grey Plate Tested Like NOS BalanceTube

$51.44 $30.87

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

$32.54 $19.53

Type 12AU6 Sharp Cutoff Pentode Vacuum Tubes-Used-Tested Various Brands-Preamp

$3.15 $1.89

One Tube (1 pcs) Amperex ECC189 NOS NIB Life Test Excellent Emission 100% Tube

$14.48 $8.69

xduoo ta-03s ta03s OTL tube amp

$237.6 $142.56

HiFi 6J4+6P6P Vacuum Tube Preamplifier Stereo Class A Home Audio Preamp DIY KIT

$233.35 $140.01

New Current Matched Pair (2) Electro-Harmonix EL34 Small Bottle Vacuum Tubes

$78.84 $47.31

Vintage E188CC SQ PHILIPS MINIWATT Preamp TUBE VALVE GOLD PIN (6922 6DJ8)

$88.0 $52.8

NOS Gain Matched Pair (2) Voskhod Soviet 6N1P-EV / EB [6DJ8] Vacuum Tubes

$26.36 $15.82

Tube Amplifier Vacuum Preamplifier Pre-amp for Phono Turntable

$25.21 $15.13

NOS 5963 GE Tube Audio Amplifier Electron Vacuum Preamp Vintage NIB (Qty Avail)

$14.52 $8.72

Closely Matched Pair TESLA E34L EL34 Old Czech Republic Tested Like NOS Tube

$148.24 $88.95

RARE Green SYLVANIA USA 6189 12AU7WA Pre Amp VACUUM TUBE- Tested

$26.4 $15.84

Closely Matched Pair GE 5Y3GT Grey Plate Top O-Getter Life Test Great Tube

$10.96 $6.58

Closely Matched Pair Tung-Sol 6SN7WGT Chrome Dome Black Plate Top O-Getter Tube

$113.04 $67.83

GE 12AV6/HBC91 Audio Vintage Electron Vacuum Tube Tested Amplifier Preamp Tube

$7.04 $4.23

Brand New Genalex Reissue KT77 KT-77 Current Matched Sextet (6) Vacuum Tubes

$443.33 $266.0

Beyond Tube Preamp 2S Vacuum Guitar Pedal with Original Box & Manual

$334.2 $200.52

Tube Amplifier Pcb Abs Pre-amp for Home Theater Hifi Sound System Record Player

$19.19 $11.52

Hiend MM Riaa Tube Phono Amplifier Base On Ear834 Turntables Preamp (B6-70)

$202.4 $121.44

Takamine Tdp70S With Vacuum Tube Preamplifier Safe delivery from Japan

$843.01 $505.81

Audible Illusions Modulus IIA ( 2A ) Preamplifier with MM Phono : Recapped!!!!

$704.0 $422.4

NEW JJ Tesla 12AX7 ECC83S Preamp Tube Guitar Amp Amplifiier FREE SHIP USA

$22.44 $13.46

6F6G National Union Audio Receiver Guitar Amplifier Vacuum Tubes Match Tested 2

$22.0 $13.2

Hafler Vacuum Tube Midi Tube Preamplifier A High-Quality Tube Preamplifier USED

$418.82 $251.3

Amplificador Bluetooth Tube Preamplifier Fever Hifi 6J5 Vacuum Tube Preamp

$19.26 $11.56

NOS NIB 1982 Western Electric 396A Dual Triode Preamp Vacuum Tube

$158.4 $95.04

Vacuum Tube Pre-Amplifier CR Type Phono Apollon Audio Ecc83 12au7 E80cc

$3872.0 $2323.2

Pair of JJ EF806s / 6267 Preamp Vacuum Tube

$75.6 $45.36

Tube Preamplifiers Upgraded 6K4 HiFi Bile Buffer Audio Speaker for Home Theaters

$37.4 $22.44

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

$19.36 $11.62

MARANTZ Model 7 Preamplifier Vacuum tubes Used Output and operation confirmed #

$5270.32 $3162.2

HiFi 12AX7 Vacuum Tube Preamp Stereo Audio Desktop Preamplifier Refer to Marantz

$207.95 $124.77

Pair USSR 6N3P-EV 6Н3П-EB 5670 2C51 396A Gold Grid Tested NOS NIB Tube

$12.72 $7.63

EKJapan EK-JAPAN ELEKIT TU-8500 Vacuum Tube Pre-amp Kit White phonoequalizer

$99.44 $59.67

Pre-amp for HiFi System Phono Preamp Stereo Vacuum Preamplifier

$30.8 $18.48

Pair CBS Hytron 6AQ5 Same Date NOS NIB Life Test Excellent Tube

$21.52 $12.91

Nice Tested Sylvania 6SJ7GT / Old Vintage Ham Radio Tube Receiver Audio Amp

$8.8 $5.28

Uesugi Laboratory U Bros-12 Our Shop Adjusted Vacuum Tube Preamplifier

$1810.42 $1086.25

VACUUM TUBES 6C5 JHS RCA NOS WHITE BOXED MILITARY GRADE PREAMP TRIODES

$5.28 $3.17

6J1 Valve Vacuum Tube for PreAmplifier Board Headphone Amplifier Module DIY

$1.99 $1.2

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

$63.46 $38.08

Gain Matched Quad (4) JJ 12AY7 / 6072A Vacuum Tubes - Brand New

$106.8 $64.08

1 Stromberg Carlson 7199 Vacuum Tube - Vintage Pentode-Triode for Audio PreAmps

$35.21 $21.12

Vintage Delco 12AU7/ECC83/5814 Preamp Vacuum Tube Valve- Bangybang.tube

$29.57 $17.75

COUNTERPOINT SA-11 Isolinear Control Amplifier Rare Air TUBE PREAMP

$3430.24 $2058.15

Destination Audio WE 417A Tube MM & MC Phono Preamplifier

$14498.0 $8698.8

Pre-amp for Phonograph Tube Amplifier Hifi Preamp System Board

$19.97 $11.99

Matched Pair TungSol 12AU7A/ECC83/5814 Preamp Vacuum Tube Valve- Bangybang.tube

$96.1 $57.66

1 Sylvania 6SN7GTB Vacuum Tube - 1970's Vintage Audio Twin Triode

$17.61 $10.56

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

$66.74 $40.05

FX AUDIO TUBE-03J + Vacuum Tube Hybrid Preamp Tone Control Black

$73.85 $44.31

Fosi Audio BOX X2 Phono Preamp for Turntable Tube Preamplifier MM Phonograph US

$41.36 $24.82

HiFi Vacuum Tube Preamplifier Preamp 12AU7 6N2 6Z4 6N4 Tube Ref Shigeru Circuit

$423.86 $254.32

TL Audio PA-1 Dual channel preamps - High quality 2ch Pentode Valve Mic Preamp.

$628.73 $377.24

MIL spec Mullard Blackburn 12AX7 / ECC83 Audio Preamp Tube, Code I63 / B9F2

$145.2 $87.12

MERRYHAPY Tube Amplifier Hi-fi Stereo Preamp Tube Board Preamplifier Audio Pr...

$27.06 $16.24

6SN7GT FIVRE VINTAGE RARE DOUBLE TRIODE AUDIO PREAMPLIFIER TUBE USED

$52.72 $31.63

NOS 6FQ7 Nec Nippon Japan AudioTube ~ Holy Grail 6CG7 ~ OE Boxed Classic

$171.6 $102.96

Tube Preamp / Buffer With Case

$87.12 $52.28

1959-1960 Philips Amperex HP Selected (BugleBoy) 6DJ8 ECC88 Holland⊿ WarmAudiox2

$214.72 $128.84

Radio Tubes 12AX7 ECC83 Tung Sol Original USA 322NK3 NOS

$52.8 $31.68

Warm Audio WA-MPX 1-channel Tube Mic/Line/Instrument Preamp

$659.12 $395.48

MINT LaChapell 583s mk2 500 series Tube Preamp

$879.12 $527.48

Sylvania 6SN7GTB Chrome Dome Angled "T" Plate Tubes PLATINUM MATCHED on AT1000

$52.51 $31.51

EVH ECC83 / 12AX7 Guitar Amp Preamp Tubes, Pair 0223283002

$61.6 $36.96

Sylvania 6SN7GTB Tested Good Balanced Tube

$14.48 $8.69

2 Sylvania JAN CHS 6SL7GT VT-229 Vacuum Tubes 1940's Twin Triodes for Audio Amps

$61.6 $36.96

Pre-amp for Home Theater Vacuum Electron Tube Valve Preamp Amplifier

$28.47 $17.09

ELECTRO-HARMONIX 7025EH * GAIN TESTED

$25.04 $15.03

Concert Fidelity CF-080 LSX3 tube preamp

$5280.0 $3168.0

RADIOTECHNIQUE ECC81 FRANCE 12AT7 BUGLE BOY NOS NIB VINTAGE MINTY 1962 4 AMPEREX

$39.56 $23.74

1pc Psvane Tube New ECC81 12AT7 Valve audio amplifier Preamp

$13.91 $8.35

JJ Electronics ECC803S (12AX7) Long Plate Preamp Tube

$26.4 $15.84

Vacuum Tube Adapter Converter 6U8 6GH8 ECF82 to 7199 Pre Amplifier Guitar New

$7.78 $4.67

McIntosh MX110Z Tube Receiver/Preamplifier, 1963, Tested & Working *Please Read*

$2640.0 $1584.0

New Gain Matched Sextet (6) 12AX7 / ECC83 Svetlana Vacuum Tubes

$168.21 $100.93

Mullard Reissue 12AU7 ECC82 Gain Matched Octet (8) Brand New Vacuum Tubes

$205.89 $123.54