New Chandler Limited REDD.47 | Tube Microphone Preamp | Classic Abby Road Pre

$2155.12 $1293.08

HIFI MM RIAA Turntable Preamp 12AX7 Tube Phono Stage Amplifier Base On EAR834

$183.04 $109.83

Lot of 10) Sylvania 6SN7GT Preamp Tubes Strong Test See test Results Bad Boys

$176.0 $105.6

D.Klimo LAR Gold Plus MM MC Tube Phono Preamplifier Turntable Preamp DIY Kit

$224.4 $134.64

NOS SOUND VALVES VTP-101(i) Vacuum Tube Preamplifier POWER TRANSFORMER

$59.39 $35.63

New 1x Genalex Gold Lion 12AT7 / ECC81 | One / Single Tube | Free Ship

$49.72 $29.84

Universal Audio 6176 Channel Strip. Tube preamp 1176LN compressor.

$1562.0 $937.2

EC91 6AQ4 Sonotone NOS NIB Receiver Preamp Vacuum Tube One

$17.6 $10.56

DigiTech Gfx-1 Twin Tube Guitar Preamp

$198.0 $118.8

6SL7GT GE Audio Receiver Guitar Preamplifier Vacuum Tubes Tested Trio

$40.48 $24.29

1 Mcintosh C20 tube pre-M for altec or JBL jensen

$2023.12 $1213.88

MARANTZ 7T STEREO PREAMP

$1540.0 $924.0

ART TPS II 2-channel Tube Microphone Preamp Rackmount

$193.6 $116.16

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

$395.51 $237.31

Pro-Ject Tube Box DS2 Phono Pre-amp With Spare Tubes

$495.09 $297.06

Tl Audio 5060 Compressor Vacuum Tube Preamp Compressor - E261 Audio Equipment

$518.84 $311.3

Leslie 50C Dual Tube Amp with C2C Dual Tube PreAmp

$681.12 $408.68

MULLARD 12AX7/ECC83 * GAIN TESTED

$26.36 $15.82

Rare NOS TELEFUNKEN 12AU7 ECC82 Tube International Smooth 6189 B329 5963 L@@K

$52.8 $31.68

Vintage Quad II Tube Amplifier Pair With 22 Preamp

$1320.0 $792.0

1 X Tung Sol 12AU7W / 6189 / 12AU7 pre-amp tube, Brand New in Box

$18.33 $11.0

JAN General Electric 6189 / 12AU7 Pre-amp vacuum tube NOS 1980's

$8.81 $5.28

Schiit Saga Pre-Amp with extra RCA Tube

$220.0 $132.0

Tube Preamp Vacuum Electron Tube Valve Preamp Phono Preamp For Turntable

$18.81 $11.29

Altec/Peerless 15095 Input Transformer - Tube Preamp 1567A Mic MC Step-Up

$88.0 $52.8

Effectrode BlackBird Tube Preamp Overdrive Pedal

$553.52 $332.12

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

$14.08 $8.45

Pair Motorola/Sylvania 6SN7GTA Tubes, Black Plates, Guitar Pre-Amps, Gm Tested

$11.36 $6.82

Douk Audio T4 PLUS Phono Stage Preamp w/GE5654 Tube Preamplifier Headphone Amp

$88.0 $52.8

TPS II 2-Channel Variable Impedance Tube Preamp

$255.2 $153.12

6x 6V6 Valves Tubes For Radio Radiogram Amplifier Nos

$8.58 $5.15

25 assorted Vintage General Electric Tung Sol power and preamp Radio tubes

$21.96 $13.18

Peavey ProBass 500 Tube Preamp Bass Amplifier - Powerful 500W Pro Audio Gear

$464.61 $278.77

Wright Audio LT-6P Tube Preamplifier + Royale SE Triode Tube Power Amplifier SET

$3515.6 $2109.36

6B6G Pair Valves Vintage Hifi Audio Preamp Tested Strong Nos

$8.58 $5.15

New 1x Genalex Gold Lion 12AU7 / ECC82 | One / Single Tube

$52.8 $31.68

Synergy OS 2-channel Preamp Module

$299.2 $179.52

Altec Peerless W5-16 807 tube booster amplifier 1947

$673.2 $403.92

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

$103.7 $62.22

Electron Tubes Ltd P30A-04 photomultiplier tube assy PMT HV power supply pre-amp

$259.61 $155.77

Manley Steelhead RC SE Mk II - Audiophile HIfi Stereo Tube Preamplifier w OG Box

$6155.6 $3693.36

Reissue Mullard 12AX7 / ECC83 Preamp Tube NIB HICKOK TESTED NOS

$20.68 $12.41

Ex-Pro Bp-1000 Vacuum Tube Preamp Audio Equipment

$321.5 $192.9

Vacuum Tube Valve Preamp Preamplifier for Home Theater System

$19.79 $11.87

Digitech GSP2101 Studio Tube Preamp/Processor - No Foot Controller - GSP-2101

$290.39 $174.23

Joe Meek Tube Channel VC2

$1188.0 $712.8

6SN7GTB GE GP NOS NIB Audio Receiver Guitar Preamp Vacuum Tubes Tested Pair

$22.88 $13.73

NOS NIB RCA 6SJ7Y Matching Pair Preamp Tubes

$35.21 $21.12

Lot Of 17 6BM8 Valves Vintage Hifi Audio Preamp Radiogram

$8.58 $5.15

Closely Matched Pair 7581A 6L6GC Russia NOS Tested Strong Tube

$69.04 $41.43

6SL7GT RCA Fat Base Red Letter Audio Guitar Preamp Vacuum Tubes Tested Pair

$21.12 $12.67

5 Date Matched New Raytheon JAN 5755 Vacuum Tubes 420A Equivalent Pre Amp NOS

$52.8 $31.68

International 12AT7 ECC81 Vacuum Tube Audio HiFi Preamp Amp Amp Mixer Radios.

$9.68 $5.81

Presonus StudioChannel Studio Channel Recording Vacuum Tube Mic Preamp Strip

$272.76 $163.66

Tube 2 Channel Preamp Power Amp, Vintage Unit, for Repair

$137.28 $82.37

Vacuum Tube, 7025, Redbase, Tube Amp Doctor, High Grade, Preamp

$27.72 $16.64

2 x Rare 1960 SameCode Matsu/Mullard 12AX7 ECC83 ~ Vintage Grail Pre/Audio Tubes

$277.2 $166.32

Finished HIFI Ground Grid gg Stereo Tube Preamplifier

$171.6 $102.96

Pair of JJ ECC803s / Hi-Performance 12AX7 Preamp Vacuum Tube

$40.4 $24.24

Westinghouse Canada Type 6GU7 Dual Triode Vacuum Tube-Used-Tested Good

$3.15 $1.89

NOS NIB RCA 5814A Triple Mica Black Plate Low Noise Preamp Tube

$35.21 $21.12

EL34 6CA7 Halo getter, Tested Nos

$8.58 $5.15

RAYTHEON 6SN7GT Support Rods Matching Pair Low Noise Tubes Used

$39.6 $23.76

PreSonus Bluetube Stereo Tube Microphone Preamplifier: Direct Instrument Inputs

$219.12 $131.48

JHS Overdrive Preamp (040) guitar effect pedal distortion DOD YJM Wylde tone

$92.4 $55.44

Warm Audio WA-MPX Single-Channel Tube Mic Preamp 850031640160

$659.12 $395.48

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

$79.2 $47.52

LAFAYETTE KT-600 STEREO PREAMP NICE

$3515.6 $2109.36

Synergy Dr. Z Z-Wreck 2-Channel Tube Preamp Module

$352.0 $211.2

2x Rare Special Blue Cobalt Glass Tesla EL34 6CA7 PowerTubes ~ GrailVintageAudio

$242.0 $145.2

GE 5814A Triple Mica Black Plate Matching Pair Low Noise Preamp Tubes NOS / ANOS

$44.0 $26.4

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

$35.2 $21.12

jessup BT3 preamp Tube valve gain monster Diesel VH4 ch3 clone metal chug rock

$659.12 $395.48

Vintage 1970s Magnavox Mullard 12DW7 Preamp Tube ECC832 Valve #142

$26.04 $15.62

New 1x Mullard 12AX7 / CV4004 | One / Single Preamp Tube | Reissue

$27.28 $16.37

McIntosh C2700 Stereo Audiophile Tube Preamplifier - Excellent

$5275.6 $3165.36

LS9D Tube Regulator Power Supply Board PCB For Tube preamp universal PSU

$8.81 $5.28

12AU7 VACUUM TUBE PAIR Sylvania TEST N0S 100 % GRAY LONG PLATE PREAMP TUBE

$19.36 $11.62

Vinyl Edition Gold - 12AU7 or 12ax7 tube phono preamp w/ iFi power adapter

$324.73 $194.84

6N3 Tube Preamp Complete Board 20W 12V 15V YJ0067

$50.46 $30.28

Vintage Pilot FA-550 Tuner Preamplifier MONO 1958 Tube ~Tested~

$132.0 $79.2

Elekit Tu-8550 Arizona Special Vacuum Tube Preamp Kit

$1534.19 $920.51

ART Pro Audio Tube MP External Tube Microphone Preamp Personal Processor Series

$44.0 $26.4

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

$88.0 $52.8

ART Pro MPA II 2-channel Tube Microphone Amplifier •Free Shipping•

$352.0 $211.2

Lot 4 Battery Valves Vintage Radio Audio Amplifier

$8.58 $5.15

6H8C/CV181-SE Tube Preamp HIFI Tube Preamplifier Audio preamplifier

$937.2 $562.33

GE JG-5814A pair (2) tubes Steel Grids, Gray Plates, 2Rods, date/merit matched!!

$26.4 $15.84

HiFi Bluetooth Vacuum Tube Preamp Stereo Audio Amplifier Headphone Amp VU Meter

$90.99 $54.59

Rare NOS Telefunken 12AU7 ECC82 Tube Ribbed Plate 6189 B329 12au7a 5963 L@@K!

$57.2 $34.32

Warm Audio WA73-EQ Microphone Preamp EQ - OPEN BOX

$597.5 $358.5

Rolls Mp45 Tube Guitar Preamp with Chorus Graphic Eq MIDI Rare Works Needs Pot

$377.52 $226.52

Fx-Audio- Tube-05J 12Au7 (Ecc82) Vacuum Tube Preamp & High Power Headphon...

$135.16 $81.1

Linear Tube Audio MicroZOTL Tube Preamplifier; Level 2 Upgrade (No Remote)

$3517.36 $2110.42

Vintage Dynakit Dynaco Mark III Tube Power Amplifier + Preamp w/box

$704.0 $422.4

Cloud Microphones - Cloudlifter CL-1 Mic Activator Ultra-Clean Microphone Preamp

$96.8 $58.08

ART Tube MP Studio Tube Microphone Preamp

$96.8 $58.08

Douk Audio P1 Vacuum Tube Preamp Hi-Fi Headphone Stereo Wireless Receiver

$44.0 $26.4

Hot Pre-Amplifier 708B Tube HIFI Headphone Amplifier Headphone amp+fast shipping

$271.63 $162.98

ef12 tube Telefunken Germany preamp tubes matched pair steel valve klangfilm v69

$484.0 $290.4