BEHRINGER T-47 Vacuum Tube Condensor Microphone with Accessories

$198.0 $118.8

2 vacuum tubes 6SL7 RCA TESTED 90 STRONG PREAMP GIBSON

$70.41 $42.24

Genalex Gold Lion 12AU7/ECC82 Gold Pin Preamp Tube (5-pack) Bundle

$254.98 $152.99

6505® MH 20 Watt Mini Amp Head (w/ MSDI, USB and Headphone Outputs) cr

$457.6 $274.56

Aphex 230 MVC Tube Pre/De-Ess/Gate/Big Bottom/Parts Only. READ DESCRIPTION

$132.0 $79.2

RCA 23JS6A Label Airline LifeTest Excellent Emission Over 100% Tube

$8.32 $4.99

JJ 12AX7 / ECC83 Preamp Vacuum Tubes (Three Pack)

$59.22 $35.53

Erekitto vacuum tube pre-amplifier kit TU-8500

$512.62 $307.58

1 NOS GE 6267 EF86 Vacuum Tube for Audio PreAmps and FM Radio GREAT BRITAIN

$35.21 $21.12

HiFi Vacuum 12AU7 Tube Buffer Preamp Board Refer Ground Grid GG Preamplifier

$13.2 $7.92

VINTAGE ZENITH VACUUM TUBE AMP 3B31 6BQ5 PP

$52.8 $31.68

Class A 6J4 6P6P Tube Preamplifier HiFi Vacuum Tube Amplifier Integrated DIY Kit

$114.16 $68.5

1 x RCA 5963 / 12AU7 / ECC82 preamp tube, Black Plate, Tested Good !

$7.5 $4.5

Gain Matched Octet (8) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes - Brand New

$213.11 $127.87

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

$60.03 $36.02

Brand New Current Matched Sextet (6) Mullard Reissue 6V6 6V6GT Vacuum Tubes

$284.3 $170.58

Brand New In Box Matched Quad (4) 6BM8 ECL82 Electro-Harmonix Vacuum Tubes

$148.93 $89.36

Vintage Tube Amplifier Elekit Tu-880 Rare Audio High-Fidelity Tested From Japan

$303.61 $182.16

Conrad Johnson ET-3 Stereo Preamplifier with Low Gain Phono in 230V, Made in USA

$2640.0 $1584.0

5 Sylvania Electron Tube 6EV5 NOS Radio Audio Pre-amp Vacuum Tubes NEW

$17.6 $10.56

Brand New Gain Tested Electro-Harmonix 6SN7 Vacuum Tube

$35.35 $21.21

Elekit Vacuum Tube Preamp Kit TU-8500 From Japan

$425.04 $255.02

Synergy Engl Powerball 2-channel Preamp Module

$337.92 $202.75

ART Tube MP/C Preamp Compressor MP-C TubeMP C

$172.48 $103.49

6J1 Hifi Stereo Electronic Tube Preamplifier Board Finished Preamp Amplifer

$10.86 $6.52

Lot Of 4 GE 6SN7GT AUDIO PREAMPLIFIER TUBES - TV7 TESTED STRONG

$61.6 $36.96

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

$33.27 $19.96

GE General Electric 12AV7 Tube NIB NOS Audio Preamp Amplifier Vacuum Radio

$20.24 $12.14

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

$329.16 $197.5

ART TPS II Tube Preamplifier System

$335.18 $201.11

25W 6J1+LM1875 HiFi Vacuum Tube Preamplifier Board Stereo Audio Preamp Headphone

$28.96 $17.38

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

$1231.13 $738.68

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

$32.52 $19.51

FX-AUDIO TUBE-01J NFJ Original Model Black Silver/Replacement Vacuum Tubes

$50.3 $30.18

Pair Of Lowery 6SL7 GT Vintage Vacuum Tube Audio Radio Amplifier Pre Amp

$52.8 $31.68

RCA 12AU7A Preamp Tube ** 4 PIECES ** #5

$39.6 $23.76

Lot of 2 6JM6 NOS Life Test Excellent Emission Over 100% Tube

$14.48 $8.69

Tube Phono Pre Amp Stereo Preamplifier Home Audio for Record Player

$19.76 $11.86

Erekitto vacuum tube pre-amplifier kit TU-8500

$514.58 $308.75

Aiyima Tube A3 Pro Vacuum Tube Preamp 2 Channel Amplifier Home Stereo Amp Bubdke

$96.8 $58.08

RCA 12AX7A/ECC83 Vintage 1965 Preamp Vacuum Tube Tested Good for Guitar Amp USA

$24.64 $14.78

MULLARD EF91 Hot Output! NOS+! 120/120! Preamp Vacuum Tube

$7.04 $4.23

Vintage TungSol 6189/12AU7WA Preamp Vacuum Tube Valve- Bangybang.tube

$73.92 $44.36

Little Dot MKIII+ MK3+ 6C4 Tube Amplifier Gallstone Bluetooth Headphone Amplifie

$325.6 $195.36

Open Box ART Tube MP/C Preamp Compressor MP-C TubeMP C

$132.0 $79.2

Brand New Mullard Reissue ECC82 12AU7 Gain Matched Quad (4) Vacuum Tubes

$106.2 $63.72

6J5 Tube HiFi Vacuum MM Phono Preamp Stereo Turntable Phonograph Preamplifier

$37.92 $22.75

Vintage 1960s Amperex Orange Globe 7025 Preamp Tube 12AX7 ECC83 Valve #132

$70.92 $42.55

USA Handcrafted Rack Mount Peavey Classic 60/60 Stereo Tube Power Amp 6L6 Tube

$528.0 $316.8

Low Noise Valve Pre-amp Tube 6J-I Preamplifier Board For DIY Lovers DIY Kit

$13.42 $8.06

GZLOZONE DIY Hifi PRT-01A 6J1 Tube Preamp PCB Stereo Vacuum Tubes Preamplifier

$7.92 $4.75

SINGLE NOS TELEFUNKEN ECC83 12AX7 PLATINUM TUBE 🎵MATCHED-TRIODE NIB 1950s🎵

$133.9 $80.34

Sylvania 6SN7GTB Tested Strong Balanced Tube

$16.24 $9.75

AC12V 6J1 Valve Pre-amp Tube PreAmplifier Board Headphone Amplifier Acrylic Case

$4.97 $2.98

2 x NOS Siemens & Halske E188CC - 7308 Test STRONG G6 Silver Shield Triode Tubes

$220.0 $132.0

Closely Matched Lot of 2 Tube Tung-Sol & NU Type 47 Tested Like NOS Tube

$30.32 $18.19

YAQIN MC-84L Class A Push Pull Tube Amplifier Hifi Preamplifier Vacuum Tube Amp

$551.33 $330.8

Matched Pair Sylvania JAN-CHS 6SN7WGT Same Date NOS NIB Tested Balanced Tube

$218.64 $131.19

GE JAN 5687WB 5687 Vintage Black Plate Vacuum Tubes (NOS sleeve of five)

$79.2 $47.52

NOS WARDS (RCA) 12SL7GT Black Plates AUDIO PREAMP VACUUM TUBE Tested E.1390-D

$11.4 $6.84

Genalex Gold Lion 12AU7/ECC82 Gold Pin Preamp Tube (3-pack) Bundle

$152.99 $91.8

3 x Tesla Tungsram PCC88 - 7DJ8 Test V.GOOD Triode Preamp Audio Vacuum Tubes

$19.36 $11.62

HiFi Western Electric 717A Vacuum Tube Preamplifier + Power Kit DIY 6AK5 / 6SJ7

$128.75 $77.25

Gain Matched Quad (4) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes - Brand New

$109.81 $65.89

KC4 Tungsram Tube Valve DHT Triode Vintage Preamplifier Rare Tested!

$22.0 $13.2

SYLVANIA USN-CHS 6922 E88CC GOLDPIN GRAY-PLATE SINGLE TUBE AMPLITREX TESTED 1963

$102.93 $61.76

Supro 1822RBC Delta King 12 15-Watt 1x12" Tube Combo Amp - Tweed/Black Open Box

$492.8 $295.68

Closely Matched Pair Sylvania 7N7 Label RCA NOS NIB Tested Strong Balanced Tube

$51.44 $30.87

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

$19.36 $11.62

New Behringer Voice Studio Complete Recording MIC500USB C1 Bundle Auth Dealer

$87.12 $52.28

RUBY 6L6GC Tested Strong Tube

$10.96 $6.58

Warm Audio WA73-EQ Single Channel Neve 1073-Style Microphone Preamp Mic Pre w/EQ

$615.12 $369.08

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

$8.8 $5.28

RARE Green SYLVANIA USA 12AU7 L7V Pre Amp VACUUM TUBE- Tested

$13.2 $7.92

Gain Matched Pair (2) JJ 6922 / E88CC / 6DJ8 / ECC88 Vacuum Tubes - Brand New

$56.69 $34.01

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

$66.76 $40.06

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

$66.87 $40.12

Phono Preamp for Turntable Pre-amp Home Theater Tube Amplifier

$19.79 $11.87

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

$29.57 $17.75

Vacuum Tube Preamplifier Switching Power AC100-265V to 6.3V 5A300V For 6P3P EL34

$21.02 $12.61

Auris Euterpe Tube Headphone Amp Dac

$615.12 $369.08

CBS 6SN7GTB Angled "T" Plates Short Bottle Tubes * PLATINUM MATCHED on AT1000 *

$47.98 $28.79

Closely Matched Pair GE 6L6GC One Tube Missed Key Tested Like NOS Tube

$86.64 $51.99

Matched Pair RCA 6JF6 Life Test Excellent Test Emission Over 100% Tube

$16.24 $9.75

Pair Sylvania 6B4G Same Date Tested Good Tube

$60.24 $36.15

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

$32.52 $19.51

DBX Professional Products Mini-Pre Vacuum Tube Preamp

$93.83 $56.3

PreSonus STUDIO CHANNEL Vacuum Tube Channel Strip

$220.0 $132.0

Audio Research Ref 160M MkI Reference Monoblock Power Amplifier - Silver - PAIR

$16715.6 $10029.36

Hifi Tube Amp Pre Amplifier Home Audio Phono Preamp Pre-amp for Theater

$20.14 $12.09

Pair of JJ 5751 Preamp Tube

$79.01 $47.41

12AX7 RCA NOS LONG GRAY PLATE VINTAGE PREAMP TUBE EARLY 1960'S

$34.32 $20.6

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

$32.53 $19.52

JJ 12AT7/ECC81 Slovakia Preamp Tube (3-pack) Bundle

$60.7 $36.42

AOSIBAO AV-889 Hifi Tube Amplifier 200Wx2 Bluetooth USB Lossless Decoding ot16

$298.32 $179.0

(2) NEW Vintage 6EJ7 Pentode Vacuum Tubes Amperex Bugle Boy Normal EF184 #6ej7

$22.0 $13.2

RCA 5V3A NOS NIB Black Plate Top Side O-Getter Tested Strong Balanced Tube

$12.72 $7.63

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

$321.5 $192.9

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

$314.31 $188.59

Brand New Genalex Reissue KT77 KT-77 Current Matched Pair (2) Vacuum Tubes

$149.78 $89.87