NEW 6SN7 Tube preamplifier DIY KIT refer Cary preamp best sound

$108.52 $65.11

New HiFi 6H3 tube Preamplifier machine 6H3 tube Amplifier with Matisse Circuit

$123.2 $73.92

Douk Audio P2 Vacuum Tube Preamp HiFi Bluetooth USB Player Headphone Amplifier

$61.6 $36.96

Pro-Ject Tube Box DS2 Phono Preamplifier (Black)

$879.12 $527.48

NOS NIB RCA 12AU7A ECC82 Clear Top Low Noise Matching Pair Preamp Tubes

$79.2 $47.52

Schiit Valhalla 2 Triode OTL Headphone Amp / Preamp- Silver

$165.0 $99.0

Audio Presmp

$61.6 $36.96

surgex sx-1115 and art tube pre amp system in SKB molded Hard Case U Get Both

$87.12 $52.28

Simplex IPC AM-1010 Volume Control Amp Preamp 1620 Tube Western Electric era

$123.2 $73.92

HiFi JADIS JP200 Stereo Preamplifier Board Kit 12AT7 / ECC81 Tube Preamp Board

$44.0 $26.4

Schiit Audio Freya+ Tube Hybrid Preamplifier; Solid State Only

$659.12 $395.48

5Ar4 Gz34 Rectifier Valve Vintage Hifi Audio Amplifier

$9.83 $5.9

The Fisher Stereo Master Control Tube Amplifier Preamplifier Pre-Amp KX-200

$1421.2 $852.72

DYNA DYNACO MODEL PAS Stereo Tube Preamplifier Vintage [Tested]

$528.0 $316.8

New Current Matched Pair (2) Psvane KT88-T Classic MKII II Series Vacuum Tubes

$203.34 $122.0

TELEFUNKEN ECC83 12AX7 LOW NOISE MEDICAL RED TIP DIAMOND STAMP WESTERN GERMANY

$216.74 $130.05

ART TubeFire 8 Channel Tube Microphone Firewire Preamp Interface w/ Power cable

$284.13 $170.48

Electro-Harmonix 12AY7 EH / 6072A Preamp Vacuum Tube

$23.72 $14.23

DIY Hifi 6J4+ 6P6P Tube Preamplifier Kit Vacuum Tube Preamp 4 ways input BT 5.0

$165.44 $99.27

DYNACO/Dynakit PAS-3X Tube Preamplifier Tubes Included - Works, Watch Video

$439.12 $263.48

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

$383.71 $230.23

McIntosh C4 Audio Compensator Vintage Mono Tube Preamplifier + D-8A Power Supply

$1231.13 $738.68

Assembled Tube Regulated Power Supply For Tube Preamp Out 220-300VDC (B7-1)

$61.6 $36.96

6N3 SRPP Fever Tube Preamp 180V-230V Second Edition

$47.98 $28.79

DigiTech GSP2101 Studio Tube Preamp/Processor Upgraded To 3.0

$254.32 $152.6

HiFi L2 Tube Preamp Board PCB 12AU7 / ECC82 Stereo Preamplifier Bare Board

$14.08 $8.45

Remote Volume Control Stereo Tube ECC83+6Z4 Preamplifier Base On JP200 Preamp

$404.8 $242.88

Bell Carillon 2 Channel 60w Mullard Vacuum Power Tube Amplifier Pre-Amp EL34

$1091.2 $654.72

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

$89.9 $53.94

12AX7A Amperex Red Tip Medical Grade Preamp2/TV7 Tested ( 1 ) Tube Lot

$220.0 $132.0

RCA 12AX7A "Selected Tube" Low Noise Preamp Tube Tektronix

$35.21 $21.12

DC12V 1A 6N8P (6H8C 6SN7) Tube PreAmplifier Board Car Valve Audio DIY Good Sound

$28.5 $17.1

New Production Tung-Sol 5751 Preamp Vacuum Tube

$22.0 $13.2

Vintage Crown 800 Tube Preamp Tape Machine Reel to Reel Ampex Mic Pre Project

$616.0 $369.6

FX-AUDIO- TUBE-01J Tube Preamplifier Line Amplifier NFJ/ TUBES NOT INCLUDED

$35.2 $21.12

ART TUBEMIX Five Channel Mixer with USB and Assignable 12AX7 Tube OPEN BOX

$154.84 $92.91

Groove Tubes Gold Series GT-12AT7 Preamp Tube

$26.4 $15.84

One (1)UNUSED TV7D/U RE-TEST Factory Matched 1951 Tung-Sol JAN CTL 6SU7GTY Tubes

$149.56 $89.74

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

$198.0 $118.8

FX-AUDIO TUBE-06 Preamplifier Home Audio Tube 6N3 Input Adjustment DC12V/1A

$89.95 $53.97

Vintage Dynaco PAS-2 Stereo Tube Preamplifier / New Board & Other Mods / KT6

$435.6 $261.36

Damage Control Womanizer Dual Tube Preamp

$180.4 $108.24

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

$23.2 $13.92

ART DST 4 Tube Preamp

$242.0 $145.2

Vintage Ampex Tube Mic Preamp

$615.12 $369.08

Pro-Ject: Tube Box DS2 Phono Preamp - Black -(Open Box Special)

$659.12 $395.48

Mullard ECC81/12AT7 Great Britain HiMu Pre-Amp Dual Triode Tube TESTED!

$17.6 $10.56

8 TUBE AMP/PREAMP DAMPERS FOR 12AX7/12AU7/12AT7/ECC83/EL84/6922/EL84/5751/5687

$14.01 $8.41

Siemens E188CC 7308 Gold Pin *Amplitrex Tested*

$74.8 $44.88

Hifi High Voltage DC Power Supply Kit 100V-380V 12V 6V For tube preamp PSU kit

$10.56 $6.34

Mullard E188CC 7308 Gold Pin Heerlen NL *Amplitrex Tested*

$57.2 $34.32

4x 6V6 Valves Tubes For Preamp Radio Radiogram Amplifier

$8.58 $5.15

Audible Illusions modulus 3 Tube Preamplifier With Phono. Excellent!

$1408.0 $844.8

LUXMAN CL-38uC Vacuum Tube Control PreAmplifier - Excellent

$3691.6 $2214.96

Siemens E188CC 7308 Gold Pin *Amplitrex Tested*

$74.8 $44.88

12AX7 Sylvania Audio Receiver Pre-Amp Vacuum Tubes Tested Pair

$31.68 $19.01

Collins 12H, Broadcast Studio Audio Control Panel

$954.8 $572.88

2 RCA 12AX7 BLACK PLATE VACUUM TUBES 2

$70.41 $42.24

Blue Microphone Robbie Tube Mic Preamp

$704.0 $422.4

RHINO AUDIO VA1 Vacuum Tube Headphone Amplifier /NEW /audiophile DARKVOICE 336SE

$215.6 $129.36

Genuine Replacement Fender Champion 600 Guitar Amp 12AX7 Preamp Vacuum Tube

$11.4 $6.84

CCa E88CC Siemens A01 year 60s,grey shield,gold pin,matched pair 100%+ test,rare

$421.52 $252.92

PreSonus TubePre pre-amplifier

$30.8 $18.48

Schitt Freya Plus Audiophile Hifi Stereo Tube Preamplifier w 4 Bonus Tung-Sol

$748.0 $448.8

DIY PCB - 10-15W high Voltage Power Supply for Tube Preamp

$15.84 $9.51

8 SOVTEK 6922 6DJ8 Preamp Tubes

$39.6 $23.76

TR3 Mini Dual 6DJ8 ECC88 E88CC CCA Tube Valve Preamplifier Preamp For Amplifier

$29.04 $17.43

Tube Preamp Blue Snail (Exstasy Blue Channel)

$184.8 $110.89

Pair of JJ 5751 Preamp Tube

$35.12 $21.07

GE JG 6136 6AU6WA TUBE MATCHED PAIR

$11.43 $6.86

Telefunken ECC81 12AT7 O-getter ◇ Bottom Matched Pair - Berlin '55 - Strong

$139.38 $83.63

Manley Neoclassic 300B Vacuum Tube Preamplifier, Original Box

$3783.12 $2269.88

6F6g X4 Valves Vintage Nos Amplifier Tube

$8.58 $5.15

Groove Tubes GT-12AT7 S Select (Single) Preamp Tube - Used

$26.4 $15.84

Orange Micro Dark Terror 20 Watt Tube Preamp/ Solid State Hybrid Amp Head

$157.61 $94.57

Vintage Packard Bell Solid State/Tube Tuner Pre-Amp with Graph 8TU8 Console Pull

$52.8 $31.68

Vintage EMERSON Tube Amplifier Pre Amp

$22.0 $13.2

HiFi 5-band EQ Preamp Equalizer XLR Balanced Tube Pre-Amplifier Headphone Amp

$85.18 $51.11

JCM800 guitar tube pre amp amplifier handmade point to point with nos components

$598.4 $359.04

New 1x Mullard 12AX7 / ECC83 | One / Single Preamp Tube | Free Ship

$26.4 $15.84

Dynakit Mono Tube Preamplifier Pam-1 With Original Owners Manual

$131.12 $78.68

Melos MA-220 Plus series MM MC Tube Hybrid Phono Preamp No Power Supply

$439.12 $263.48

GT Groove Tubes Electronics STP Studio Series Tube Preamp for Guitar #53219

$875.6 $525.36

Tung Sol 12AX7A ECC83 Vacuum tube

$13.2 $7.92

Single Ended EL84 Tube Amplifier Custom Build, SE EL84,DIY, Pre, Pre-amp

$660.0 $396.0

1 x Excellent Telefunken ECC81 12AT7 Diamond Bottom Berlin 60's Amplitrex 94/94%

$32.56 $19.54

Monoprice 2 x 15W Hybrid Tube Amplifier w/ Bluetooth (16152)

$70.36 $42.22

Vacuum Tube, 12AY7 / 6072A, Tube Amp Doctor, Premium Selected, Preamp

$28.12 $16.87

(2) RCA 6SN7GTB AUDIO PREAMPLIFIER TUBES - TV7 TESTED - STRONG - BALANCED

$22.0 $13.2

Nice Vintage STROMBERG CARLSON AV-53 Tube Preamp

$175.96 $105.58

Class A TUBE Microphone Preamp (12AX7 TUBE)

$110.0 $66.0

Tube Preamp Buffalo (Knucklehead)

$184.8 $110.89

Roberts’ Tube Preamp For Guitar, Vintage Sound, DIY Project

$157.53 $94.52

Tung-Sol 12AU7W Preamp Tube - Matched Pair - Kevin's Stash Grade - No Cryo

$48.4 $29.04

Douk Audio P1 Black Vacuum Tube Preamp USB DAC Headphone Amplifier No Tubes

$57.2 $34.32

Magic Eye Valves Vintage Hifi Radio

$8.58 $5.15

Rolls Corporation PA555 Rolls Tube Preamplifier

$197.51 $118.51

Alctron TMP-6 Tube Microphone Pre-Amplifier 16 Different Tone Settings Studio

$80.09 $48.06

Homemade Tube Preamplifier Used F/S

$810.48 $486.29

Nobsound NS-10P Vacuum Tube Preamp Tone Control Bass Audio Preamplifier

$41.36 $24.82