Matched Pair 6201/12AT7 Dual Triode Guitar Amp. Audio Vacuum Tube Valve- Bangyba

$73.92 $44.36

Tube Preamp Vacuum Electron Pre-amp for Phonograph Preamplifier Theater System

$28.75 $17.25

Used Guitar Preamp With Vacuum Tube Amt Electronics Ss-20 Effector No.y240

$245.88 $147.53

Finished HiFi EL34-B Vacuum Tube Amplifier Class A Single-ended Stereo Power AM0

$314.33 $188.6

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

Phono Preamp Tube Preamplifier Kit Home Audio Hifi Finished Board Stereo

$19.96 $11.98

PJ.MIAOLAI M9 Tube Preamp Hifi Power Amplifier Bluetooth 5.0 USB Sound Card sup

$68.64 $41.19

12AT7 ECC81 Valvo #2 Short Grey Plate O Getter Tested Audiophile Tube

$21.52 $12.91

Tube Lamp Phono Stereo Preamp

$748.0 $448.8

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

$15.4 $9.24

LittleDot MK3 Pure Vacuum Tube Amplifier HiFi 32-600ohms Headphone Amp GE5654

$228.23 $136.94

Behringer Voice Studio Recording Bundle

$131.12 $78.68

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

$52.51 $31.51

Brand New Current Matched Sextet (6) Electro-Harmonix 6L6GC Vacuum Tubes

$226.53 $135.92

SOVTEK 6SL7 PREAMP TUBE BRAND NEW HIGH QUALITY TESTED STOCK

$22.0 $13.2

audio research Ls25MKll High Definition Tube Pre Amp

$2023.12 $1213.88

FX-AUDIO TUBE-01J Vacuum Tube Line Amplifier NFJ Original Model Black

$26.89 $16.14

Mark JC-2 Ultra Low Distortion Field Tube Class A Warm Up Preamp Finished Board

$48.73 $29.24

Vintage Amperex 12AX7 Preamp Tube ECC83 Valve #119

$43.99 $26.39

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

$29.57 $17.75

4 x GE 6SL7GT preamp tubes, Tested Good ! (5-8)

$75.29 $45.18

New 12AX7 electronic tube high and low tone hifi stereo preamplifier

$145.69 $87.42

Phono Preamp for Turntable Preamplifier Home Theater System Tube

$18.8 $11.28

Lot Of 3 Amperex 6DJ8 ECC88 Made In Holland Preamp Vacuum Tubes TV7 Tested Strg

$33.44 $20.07

LOT of 51 RADIO, TV, PRE AMP, VACUUM TUBES, GE, RCA, SYLVANIA, RAYTHEON, tested

$14.08 $8.45

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

$103.49 $62.1

New Genalex Reissue 12AU7 ECC82 GOLD PINS Gain Matched Quintet (5) Tubes

$293.78 $176.27

Brand New Gain Matched Quintet (5) Mullard Reissue 12AT7 Vacuum Tubes

$130.8 $78.48

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

$21.64 $12.99

RCA 5691 6SL7GT Red Base Black Plate Tested Good Tube

$60.24 $36.15

PAIR GE 6U8A Vintage AUDIO Preamplifier RADIO VACUUM TUBES USA Tested 9.7108-D

$21.96 $13.18

Tube Preamp Vacuum Electron Tube Valve Preamp Phono Preamp For Turntable

$20.83 $12.5

Pair of Tung-Sol 5751 New Production Preamp Vacuum Tube

$72.08 $43.25

Presonus ACOUSTI-Q Tube Preamp PARTS/REPAIR (NO POWER ADAPTER)

$87.96 $52.78

Pre-amp for Home Theater Preamplifier for Home Theater System Tube Amplifier

$22.88 $13.73

New Gain Matched Quad (4 pcs) Electro-Harmonix 12DW7 ECC832 Vacuum Tubes

$160.84 $96.51

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

$52.51 $31.51

MK 2 MK II Vacuum Tube Headphone Amplifier 6J1+6N6 Pre-amplifier HiFi Audio Amp

$143.56 $86.14

6BH8 Vacuum Tube NOS NIB Various Brand ( price is for one )

$1.72 $1.03

Vacuum Pre-amp -Fi Stereo Preamp Home Theater DIY Preamp Amplifier Board

$19.8 $11.88

RCA 12SN7GT radio tube, original box, 12SN7 preamp vacuum tube, black 3rib plate

$11.0 $6.6

Phono Preamp for Turntable SUCA AUDIO 6J2 Vacuum Tubes MM RIAA Phonograph

$76.08 $45.65

Vacuum Pre-amp Hi-Fi Stereo Preamp Home Theater DIY Preamp Amplifier Board

$29.04 $17.42

Heathkit WA-P2 Mono Preamplifier

$83.6 $50.16

Vintage RCA 12AX7 Preamp Tube ECC83 Valve #129

$26.04 $15.62

6J1 Valve Pre-amp Tube PreAmplifier Board AC 12V Headphone Amplifier + Case

$3.99 $2.4

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

$52.83 $31.7

Matched Pair RCA 12AX7A ECC83 Life Test Excellent Test Emission Strong Tube

$86.64 $51.99

Conrad Johnson PV2Ar Vacuum Tube Preamplifier (Serviced & Recapped)

$1759.96 $1055.98

Closely Matched Pair 6EM7 6EA7 Same Date Coin Base Life Test Excellent Tube

$42.64 $25.59

PreSonus TubePre V2 Tube Microphone Preamp

$140.8 $84.48

Fender Vacuum Tube

$23.54 $14.13

Mullard ECC83 / 12AX7 Vacuum Tubes.... Pair ...matched dates... 1959-64

$197.96 $118.78

GE 12BH7 Vintage Preamp Vacuum Tube Tested USA

$14.08 $8.45

XTONEBOX Silver 6011 120-watt stereo Hybrid Tube BT Integrated Amp $1500 list!

$616.0 $369.6

Trio 12AU7A ECC82 GE (Label Hammond) Short Grey Plate O Getter Tested Tube

$21.52 $12.91

Platinum Matched Pair CV2492 Mullard Mitcham E88CC ECC88 Gold Pins tested NOS

$263.56 $158.14

Albit A1992B Pro Vacuum Tube Preamp for Electric Bass - Excellent Condition

$859.58 $515.75

7 RCA Electron Tube 6EV5 NOS Radio Audio Pre-amp Vacuum Tube NEW

$17.6 $10.56

GE / Hammond 6SN7GTB Vintage Preamp Vacuum Tube Tested USA

$16.72 $10.04

Phono Preamp Tube Stereo Preamplifier Home Audio Pre-amp for Record Player

$18.81 $11.29

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

$66.78 $40.07

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

$66.79 $40.07

Pair of Tung-Sol ECC803s 12AX7 Gold Pin Preamp Vacuum Tube

$73.84 $44.3

M7 Marantz 7 Circuit PRT07A Tube Preamplifier / Vacuum Phono Amplifier Preamp

$22.75 $13.65

Genalex 12AT7GENGP + Genalex CV4004/ECC83GEN Value Bundle

$110.87 $66.52

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

$29.57 $17.75

Closely Matched Pair GE 12AX7 ECC83 Same Date Tested Strong BalanceTube

$60.24 $36.15

12ax7 ecc83 tube Philips preamp tubes pair valve b339 cv492 e83cc b759 i65 delta

$175.12 $105.08

DROP + XDUOO TA-84 - OTL Tube AMP/DAC W/ USB-C In Box NICE!

$250.8 $150.48

6SL7GT VT-229 RCA Audio Receiver Guitar Vacuum Tubes Tested Pair

$43.12 $25.87

2 GE 12AU7A ECC82 Vacuum Tubes - Vintage Twin Triodes for Audio Amps & PreAmps

$10.56 $6.34

Vintage Telefunken Fisher 12AT7 Tube ECC81 Valve #178

$35.01 $21.01

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

$73.92 $44.36

Aphex 1100 Thermionics MK1 Stereo Tube Mic Preamp w/AD converter

$990.0 $594.0

PJ MIAOLAI SA-20 HiFi Tube Amplifier Bluetooth USB Flash Drive RCA w/Power

$62.02 $37.21

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

$306.55 $183.93

6BQ6GTB /6CU6 6BQ6GA 6BQ6GT TUBES -VARIOUS BRANDS HICKOK TESTED NOS

$2.6 $1.56

Bugera V5 Infinium 5W 1x8 All Tube Guitar Combo Amp

$245.52 $147.32

JJ 12AX7 / ECC83 Preamp Vacuum Tubes Three Pack

$48.31 $28.99

SUCA AUDIO TUBE-T3 PLUS 300W+300W Hifi Power Amplifier Tube Preamp w/ VU Meters

$197.64 $118.59

microZOTL MZ2 Headphone Tube Amp / Preamp / 1-watt Speaker Amp

$1056.0 $633.6

Standard Tube Set for Mesa Boogie Rectifier Recording Preamp

$100.06 $60.04

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

$91.44 $54.86

Matched Pair Ei 12AX7 ECC83 Telefunken Tooling Vacuum Tubes Tested On TV - 7

$87.96 $52.78

Universal Audio LA-610 MKII Channel Strip Pre Amp Compressor

$1315.6 $789.36

RCA 6SN7GT Smoked Grey Glass Tested Strong Like NOS Balanced Tube

$42.64 $25.59

12AT7 Tung Sol Audio Receiver Preamplifier Vacuum Tubes Tested Pair

$43.12 $25.88

Audio Research Reference Phono High Definition Vacuum Tube Preamplifier

$3652.0 $2191.2

Tube Headphone Preamp Hifi Pre-amp for Home Theater Amplifier

$24.01 $14.41

1 Sylvania Electron Tube 6AU6WB NOS Radio Audio Pre-amp Vacuum Tube NEW

$17.6 $10.56

PCC88 Miniwatt Dario 7DJ8 DUAL STAGE GETTER NOS NIB Yellow Logo

$51.92 $31.16

EK Japan TU-8550N Built-in Phono Amplifier Vacuum Tube Preamp Kit No Vacuum Tube

$778.56 $467.14

Nice Tested Raytheon JAN CRP 6SJ7GT VT116A Old Vintage Ham Radio Tube Audio Amp

$8.8 $5.28

Schiit Audio Mjolnir 2 Tube Headphone Amplifier

$615.12 $369.08

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

$52.96 $31.78

AIYIMA T8 Bluetooth5.0 TUBE-6N3 Digital Tube Vacuum Tube Preamp Headphon [New!!]

$149.6 $89.76