preamp tubes on eBay US

(3) IEC MULLARD 12AU7 / ECC82 AUDIO PREAMPLIFIER TUBES - TV7 TESTED - STRONG

$64.99

Used

Luxman CL-35II Tube Stereo Preamplifier Vacuum Tube Control Amp AC100V

$1260.00

Used

Beyond Tube Pedals Tube PreAmp 2s Vacuum Tube Preamp Pedal

$347.72

New

Beyond Tube Pedals Acoustic Wired 2S Vacuum Tube Preamp for Guitar

$343.21

New

RARE SONY SRA-3 Recording Vacuum Tube Amplifier Vintage Mic Preamp

$350.00

For parts or not working

6J1 AC12V Valve Pre-amp Tube Amplifier Board Fidelity X10-D Circuit/Acryliv Case

$10.86

New

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

$31.30

Brand New

ART Dual MP - Two Channel Tube Microphone Preamp Model 254 Working See Photos

$165.00

Used

Behringer Tube Ultragain MIC300 Vacuum Tube Microphone Preamp Limiter Black

$100.00

Open box

E.A.T. E Glo Petit Tube MM / MC Phono Preamplifier

$1153.00

Used

GE 12AU7A ECC82 Tube Pair. Gray Plates. Matched And Balanced

$44.72

Used

Westinghouse 12AU7 Matched Pair. Matched And Balanced.

$44.72

Used

GE (National) 5751 (12AX7 Sub) Tube Pair. Matched And Balanced.

$66.72

Used

FX-AUDIO TUBE-01J Vacuum Tube Preamplifier Silver NFJ HiFi Line Amp w/Tubes

$130.16

Used

TRI TRV-4SE Tube Control Preamp - Vintage Triode Japan w/Remote - Mint Condition

$1342.69

Used

DEMETER VTBP-202 TUBE BASS PREAMP DI RACKMOUNT EXCELLENT+++++

$1627.41

Used

RCA 6SN7 GT TUBE 1955 TOUGH DOGS 2 HOLE BLACK LADDER PLATES MATCHING SET

$67.50

Used

Revelation Effects REVENANT Guitar/Bass Preamp 3-Band EQ Tube-like ToneUsed

$399.72

Used

Peace Hill FX TRJM Tube Preamp 2-Digit Series, Suede Finish, Used

$1066.30

Used

NE5532 Dual OP Front Audio Amplifier, Stereo Tube Preamp Treble Mid Tone9655

$24.53

New

Bendix 12AX7 Yellow Label NOS Vacuum Tube Tested 115-120% Strong Preamp Vintage

$9.34

New

1x VintageNOS Rare3Mica ToshibaJapan 5AR4 GZ34 RectifierTube /LayeredClassicTone

$405.00

Open box

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

$70.56

New

Vintage Tech-Master Transistor Preamplifier P41 High Fidelity Tube Made USA

$126.00

Used

Vintage Tech-Master Transistor Preamplifier P41 High Fidelity Tube NOS Made USA

$361.70

Open box

PreSonus ACOUSTI-Q Tube Preamp Dual-Channel EQ Used Japan

$221.92

Used

NOS Sylvania JAN 6SL7WGT Pre Amp Vacuum Tube

$40.65

New

Tone King Imperial Tri-tube Preamp and DI Pedal

$539.99

Used

Synergy Fortin Killer Kali 2-channel Tube Preamp Module

$351.99

Very Good - Refurbished

Little Bear T7 Preamp Tube CD/MM Phono RIAA Preamplifier

$75.00

Open box

RAYTHEON 12AZ7A AUDIO PRE AMP TUBE NIB/NOS RARE JAPAN BLUE STAMP? PERFECT

$19.17

Open box

Telefunken ECC82 Smooth Plate Vacuum Tube Tested Used NOS-Spec Preamp Valve

$186.64

Used

2x MatchedNOS 7868 GE USA PowerTubes/Fisher Bogen Ampeg /Like 7591A w/Adapter

$405.00

Open box

1x Vintage 6080 Toshiba PowerTube /Hi-S SpecialEdtn /WarmClassic /Premium 6AS7

$289.00

Open box

SYLVANIA 6SN7 GTB 1960s TUBE CHROME TOPPED FOIL BLACK PLATES NICELY MATCHED SET

$67.50

Used

ART Applied Research and Technology Studio V3 Tube MP Voiced Valve Preamplifier

$99.99

Used

1x Boxed Tungsram 6DJ8 ECC88 MilitaryEdtn /NOS /Amplitrex DigitalTest /6922 Sub

$255.00

Open box

1968 Brimar Dumont 12BH7A Tests Strong Black Plates Great Britain Rare

$106.95

Used

Mesa Boogie Basis M-2000 Hybrid Tube/SS Preamp- Bass Amplifier - M2000 Amp Head

$663.60

Used

Philips PCF80 Tube

$45.24

New

7025/12AX7 Gold Pin Matsushita NOS/NIB MaxiPreamp2/TV7 Tested (1)Tube Lot

$96.94

New

7025/12AX7 Gold Pin Matsushita NOS/NIB MaxiPreamp2/TV7 Tested (1)Tube Lot

$96.94

New

Carvin X1 Tube Preamp (Vintage warm rock sounds)

$299.99

Used

KEN-RAD 6SN7 GT VT-231 1940s LEGENDARY SMOKED GLASS MATCHED SET

$479.50

Used

KEN-RAD CKR 6SN7 GT VT-231 1940s LEGENDARY BLACK BEAUTY MATCHING SET

$529.50

Used

EarthQuaker Devices ZEQD-Pre Vacuum Tube Analog Preamplifier DS10192292

$763.23

New

Chanadler Redd .47 Tube PreAmp

$2070.00

Used

AMPEX FINELINE F-44 POWER TRANSFORMER (stereo tube preamplifier projects) ***

$42.00

Unspecified