tube-preamplifier-kit

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Reference Marantz M7 Circuit Preamplifier DIY Kit HiFi Audio 12AX7 Tube Preamp
Reference Marantz M7 Circuit Preamplifier DIY Kit HiFi Audio 12AX7 Tube Preamp

$135.00

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HiFi Vacuum Tube Preamp 12AX7 2.0 Channel Analog Audio Pre-amplifier DIY KIT
HiFi Vacuum Tube Preamp 12AX7 2.0 Channel Analog Audio Pre-amplifier DIY KIT

$249.99

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HiFi Diy 6SN7 Tube Preamplifier Board Kit With PSU Board for AE-1 Preamp
HiFi Diy 6SN7 Tube Preamplifier Board Kit With PSU Board for AE-1 Preamp

$91.47

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1X Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio DIY Standpipe 6J1
1X Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio DIY Standpipe 6J1

$28.00

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6J1 Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio Musical Fidelity
6J1 Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio Musical Fidelity

$22.79

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Pre Amplifier Home Audio Tube Preamplifier Kit Phono Board Turntable
Pre Amplifier Home Audio Tube Preamplifier Kit Phono Board Turntable

$33.95

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AC12V 6J1 Valve Pre-amp Tube Board Headphone Amplifier/Acrylic Case DIY Kits
AC12V 6J1 Valve Pre-amp Tube Board Headphone Amplifier/Acrylic Case DIY Kits

$4.98

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Phono Preamp Tube Preamplifier Kit Home Audio Hifi Finished Board Stereo
Phono Preamp Tube Preamplifier Kit Home Audio Hifi Finished Board Stereo

$35.74

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2pcs 6J1 Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio DIY
2pcs 6J1 Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio DIY

$47.83

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Pre Amplifier Home Audio Tube Preamplifier Kit Finished Board
Pre Amplifier Home Audio Tube Preamplifier Kit Finished Board

$35.74

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MOFI-CAT.SL1-Tube Pre-Amplifier-PCB & DIY KIT & Finished Board
MOFI-CAT.SL1-Tube Pre-Amplifier-PCB & DIY KIT & Finished Board

$48.20

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HiFi 6J4+6P6P Vacuum Tube Preamplifier Stereo Class A Home Audio Preamp DIY KIT
HiFi 6J4+6P6P Vacuum Tube Preamplifier Stereo Class A Home Audio Preamp DIY KIT

$282.09

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Douk Audio Hi-Fi Vacuum Tube Preamp Home Stereo System Pre-Amplifier DIY KIT
Douk Audio Hi-Fi Vacuum Tube Preamp Home Stereo System Pre-Amplifier DIY KIT

$199.99

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Tube Preamplifier Kit Stereo Home Audio Amps for Turntables
Tube Preamplifier Kit Stereo Home Audio Amps for Turntables

$31.74

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DIY Hifi 12AU7+12AX7 Tube preamplifier board / kit base on Hetian Mao's circuit
DIY Hifi 12AU7+12AX7 Tube preamplifier board / kit base on Hetian Mao's circuit

$26.93

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

$148.00

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

$15.91

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2pcs 6J1 Valve Pre-amp Tube Audio DIY PreAmplifier Kit Assembled Board
2pcs 6J1 Valve Pre-amp Tube Audio DIY PreAmplifier Kit Assembled Board

$41.39

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Hifi 12AX7/12AU7 Tube Preamplifier Preamp Board Kit Base On Marantz 7 Circuit
Hifi 12AX7/12AU7 Tube Preamplifier Preamp Board Kit Base On Marantz 7 Circuit

$17.26

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HiFi D.Klimo MERLINO 6DJ8 ECC88 CCA Tube Preamplifier Preamp DIY Kit 1:1 Replica
HiFi D.Klimo MERLINO 6DJ8 ECC88 CCA Tube Preamplifier Preamp DIY Kit 1:1 Replica

$46.84

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DIY KIT AC 12V 6J1 Valve Pre-amp Tube PreAmplifier Board Headphone Buffer +Case
DIY KIT AC 12V 6J1 Valve Pre-amp Tube PreAmplifier Board Headphone Buffer +Case

$17.83

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6J1 Valve Pre-amp Tube Pre Amplifier Kit Assembled Board Audio Musical Fidelity
6J1 Valve Pre-amp Tube Pre Amplifier Kit Assembled Board Audio Musical Fidelity

$26.31

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2pcs 6J1 Valve Pre-amp Tube Audio DIY PreAmplifier Kit Assembled Board
2pcs 6J1 Valve Pre-amp Tube Audio DIY PreAmplifier Kit Assembled Board

$46.92

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Valve 6J2Tube Amplifier Preamp AMP Pre-Amplifier Board Headphone Buffer Kit DIY
Valve 6J2Tube Amplifier Preamp AMP Pre-Amplifier Board Headphone Buffer Kit DIY

$10.03

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Hifi 12AX7/12AU7 Tube Preamplifier Preamp Board Kit Base On Marantz 7 Circuit
Hifi 12AX7/12AU7 Tube Preamplifier Preamp Board Kit Base On Marantz 7 Circuit

$13.29

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ELEKIT Power Amplifier Vacuum Tube pre-amplifier assembling Kit TU-8550N Silver
ELEKIT Power Amplifier Vacuum Tube pre-amplifier assembling Kit TU-8550N Silver

$817.00

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DYNACO (DYNAKIT) PAS Tube Preamplifier Diode Kit (replaces Selenium Rectifier)
DYNACO (DYNAKIT) PAS Tube Preamplifier Diode Kit (replaces Selenium Rectifier)

$8.95

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DIY Kits AC12V 6J1 Valve Pre-amp Tube Board Headphone Amplifier+Acrylic Case
DIY Kits AC12V 6J1 Valve Pre-amp Tube Board Headphone Amplifier+Acrylic Case

$3.33

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Douk Audio Vacuum Tube Preamp Home Stereo Audio Pre-Amplifier DIY Kit / Finished
Douk Audio Vacuum Tube Preamp Home Stereo Audio Pre-Amplifier DIY Kit / Finished

$269.99

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HIFI EAR834 MM RIAA Turntable Preamplifier Full Kit 12AX7 Tube Phono Amplifier
HIFI EAR834 MM RIAA Turntable Preamplifier Full Kit 12AX7 Tube Phono Amplifier

$175.00

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HiFi Vacuum Tube Preamp Home Stereo Audio Buffer Pre-Amplifier DIY Kit/Finished
HiFi Vacuum Tube Preamp Home Stereo Audio Buffer Pre-Amplifier DIY Kit/Finished

$279.99

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

$255.00

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6J1 Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio DIY Standpipe
6J1 Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio DIY Standpipe

$25.59

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ELEKIT Power Amplifier Vacuum Tube pre-amplifier assembling Kit TU-8500 White
ELEKIT Power Amplifier Vacuum Tube pre-amplifier assembling Kit TU-8500 White

$449.80

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EL34 Vacuum Tube Amplifier Single-ended Class A HiFi Stereo Amp DIY Kit 10W x 2
EL34 Vacuum Tube Amplifier Single-ended Class A HiFi Stereo Amp DIY Kit 10W x 2

$28.53

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6J1 Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio DIY Standpipe
6J1 Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio DIY Standpipe

$24.07

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6J1 AC 12V Valve Pre-amp Tube PreAmplifier Board DIY Kit Headphone Buffer/Case
6J1 AC 12V Valve Pre-amp Tube PreAmplifier Board DIY Kit Headphone Buffer/Case

$10.60

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EL84 stereo push-pull amplifier PCB Hifi tube preamplifier board kit
EL84 stereo push-pull amplifier PCB Hifi tube preamplifier board kit

$39.99

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HiFi Diy Tube Stereo Preamplifier Board / Kit Base On KSL-M7 Preamp +PSU Board
HiFi Diy Tube Stereo Preamplifier Board / Kit Base On KSL-M7 Preamp +PSU Board

$100.00

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HiFi 12AX7 Vacuum Tube Preamp KIT Stereo Home Desktop Audio Preamplifier #D4
HiFi 12AX7 Vacuum Tube Preamp KIT Stereo Home Desktop Audio Preamplifier #D4

$253.82

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HiFi Diy KONDO M77 Preamplifier Board Kit Stereo Tube Phono Audio Preamp Board
HiFi Diy KONDO M77 Preamplifier Board Kit Stereo Tube Phono Audio Preamp Board

$65.00

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stereo tube preamp Elektor KIT
stereo tube preamp Elektor KIT

$149.00

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HiFi L2 Tube Preamplifier Board 12AU7 / ECC82 Stereo Preamp Board Kit
HiFi L2 Tube Preamplifier Board 12AU7 / ECC82 Stereo Preamp Board Kit

$35.00

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6J1 Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio DIY
6J1 Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio DIY

$23.97

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HIFI 12AX7 / 12AU7 Tube Preamplifier Preamp Board DIY Base On Marantz 7 Circuit
HIFI 12AX7 / 12AU7 Tube Preamplifier Preamp Board DIY Base On Marantz 7 Circuit

$14.71

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6J1 Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio Musical Fidelity
6J1 Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio Musical Fidelity

$29.60

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HiFi Diy 6SN7 Tube Preamplifier Board Kit With PSU Board Refer Cary AE-1 Preamp
HiFi Diy 6SN7 Tube Preamplifier Board Kit With PSU Board Refer Cary AE-1 Preamp

$70.00

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Upgraded HiFi Tube Stereo Preamplifier Board Refer US CARY-SLP90 Preamp Circuit
Upgraded HiFi Tube Stereo Preamplifier Board Refer US CARY-SLP90 Preamp Circuit

$75.00

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Hifi Classic Marantz 7 Circuit Tube Preamplifier Preamp Board / Kit 12AX7+12AU7
Hifi Classic Marantz 7 Circuit Tube Preamplifier Preamp Board / Kit 12AX7+12AU7

$15.99

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Audio USA SL-1 Tube Pre-AMP HiFi Stereo Preamplifier DIY Kit for HIFI
Audio USA SL-1 Tube Pre-AMP HiFi Stereo Preamplifier DIY Kit for HIFI

$60.45

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Audio USA CAT SL-1 Tube Pre-AMP HiFi Stereo Preamplifier DIY Kit for HIFI
Audio USA CAT SL-1 Tube Pre-AMP HiFi Stereo Preamplifier DIY Kit for HIFI

$60.67

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HiFi L2 Tube Preamplifier Board 12AU7 / ECC82 Stereo Preamp Board Kit
HiFi L2 Tube Preamplifier Board 12AU7 / ECC82 Stereo Preamp Board Kit

$35.00

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1pcs 6J1 Valve Pre-Amp Tube PreAmplifier Kit Assembled Board Audio DIY
1pcs 6J1 Valve Pre-Amp Tube PreAmplifier Kit Assembled Board Audio DIY

$26.97

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2pcs 6J1 Valve Pre-amp Tube Audio DIY PreAmplifier Kit Assembled Board
2pcs 6J1 Valve Pre-amp Tube Audio DIY PreAmplifier Kit Assembled Board

$45.05

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Ear834 MM Turntable Vinyl PHONO-R Preamp HiFi Tube Pre-amp DIY Kit
Ear834 MM Turntable Vinyl PHONO-R Preamp HiFi Tube Pre-amp DIY Kit

$56.51

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HiFi Diy Tube Stereo Preamplifier Board / Kit Base On KSL-M7 Preamp +PSU Board
HiFi Diy Tube Stereo Preamplifier Board / Kit Base On KSL-M7 Preamp +PSU Board

$60.00

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6J1 Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio DIY Standpipe NEW
6J1 Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio DIY Standpipe NEW

$24.18

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HiFi Tube Amplifier Kit Stereo Electronic Tube Preamplifier Board Module
HiFi Tube Amplifier Kit Stereo Electronic Tube Preamplifier Board Module

$16.15

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Upgraded 6N8P/6SN7 Stereo Tube Preamplifier Board Refer US Gary CARY-AE1 Preamp
Upgraded 6N8P/6SN7 Stereo Tube Preamplifier Board Refer US Gary CARY-AE1 Preamp

$55.00

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Tube Preamplifier Board / Kit Base on Hetian Mao's Circuit Hifi Diy 12AU7+12AX7
Tube Preamplifier Board / Kit Base on Hetian Mao's Circuit Hifi Diy 12AU7+12AX7

$23.92

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

$50.00

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12AX7 / 12AU7 HIFI Tube Preamplifier Preamp Board DIY Base On Marantz 7 Circuit
12AX7 / 12AU7 HIFI Tube Preamplifier Preamp Board DIY Base On Marantz 7 Circuit

$19.99

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HiFi ARC SP-10 6922 Tube Preamplifier Board Kit + Power Supply Board Kit
HiFi ARC SP-10 6922 Tube Preamplifier Board Kit + Power Supply Board Kit

$50.00

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Hifi 12AU7+12AX7+6DJ8 Tube Pre-AMP Stereo Preamplifier Board Base On CAT SL-1
Hifi 12AU7+12AX7+6DJ8 Tube Pre-AMP Stereo Preamplifier Board Base On CAT SL-1

$60.00

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Hifi 12AU7+12AX7 Tube preamplifier board / kit base on Hetian Mao's circuit DIY
Hifi 12AU7+12AX7 Tube preamplifier board / kit base on Hetian Mao's circuit DIY

$27.29

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12V Pre-amp / Tube amp / Amplifier / Filament Filter Power Supply Board DIY Kit
12V Pre-amp / Tube amp / Amplifier / Filament Filter Power Supply Board DIY Kit

$18.54

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

$11.99

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1pc 6J1 Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio DIY
1pc 6J1 Valve Pre-amp Tube PreAmplifier Kit Assembled Board Audio DIY

$24.11

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Class A FU50 Tube Preamplifier HiFi Vacuum Tube Amplifier Integrated DIY Kit
Class A FU50 Tube Preamplifier HiFi Vacuum Tube Amplifier Integrated DIY Kit

$185.00

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6J1 Valve Pre-amp Tube Amplifier Finished product DIY KIT+Amplifier case AC 12V
6J1 Valve Pre-amp Tube Amplifier Finished product DIY KIT+Amplifier case AC 12V

$10.26

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ifi 12AX7 Tube preamplifier Board kit 7 Preamp Circuit
ifi 12AX7 Tube preamplifier Board kit 7 Preamp Circuit

$25.06

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6J1 Tube Preamp Amplifier Board Pre-amp Headphone Buffer Kits DIY Assortment
6J1 Tube Preamp Amplifier Board Pre-amp Headphone Buffer Kits DIY Assortment

$9.38

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HiFi M2 6SN7 /6N8P Stereo Tube Preamplifier Kit Home Audio Preamp Board
HiFi M2 6SN7 /6N8P Stereo Tube Preamplifier Kit Home Audio Preamp Board

$35.00

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JJ Fender Blues Jr / Pro Jr Tube | Vox AC15 Upgrade Kit, 2x EL84, 3x 12AX7/ECC83
JJ Fender Blues Jr / Pro Jr Tube | Vox AC15 Upgrade Kit, 2x EL84, 3x 12AX7/ECC83

$97.50

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AC12V 2 CH 6J1 Valve Pre-amp Tube Board Headphone Amplifier/Acrylic Case DIY Kit
AC12V 2 CH 6J1 Valve Pre-amp Tube Board Headphone Amplifier/Acrylic Case DIY Kit

$13.40

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6J1 Tube Preamp Amplifier Board Pre-amp Headphone Buffer Kits DIY Assortment
6J1 Tube Preamp Amplifier Board Pre-amp Headphone Buffer Kits DIY Assortment

$9.35

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6Z5P+12AX7B Marantz 7 Tube Preamplifier Kit M7 HiFi Vacuum Tube Preamp New
6Z5P+12AX7B Marantz 7 Tube Preamplifier Kit M7 HiFi Vacuum Tube Preamp New

$145.00

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HiFi 12AX7 +12AT7 Tube Stereo Preamplifier Board Base On MATISSE Preamp
HiFi 12AX7 +12AT7 Tube Stereo Preamplifier Board Base On MATISSE Preamp

$40.00

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HiFi 12AX7 Vacuum Tube Preamp DIY KIT Stereo Home Desktop Audio Preamplifier
HiFi 12AX7 Vacuum Tube Preamp DIY KIT Stereo Home Desktop Audio Preamplifier

$306.89

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DYNACO (DYNAKIT) PAM Tube Preamplifier Diode Kit (replaces Selenium Rectifier)
DYNACO (DYNAKIT) PAM Tube Preamplifier Diode Kit (replaces Selenium Rectifier)

$8.95

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

$16.35

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HIFI Audio Marantz 7 12ax7b Preamplifier Vacuum Tube Amplifier Diy Kit
HIFI Audio Marantz 7 12ax7b Preamplifier Vacuum Tube Amplifier Diy Kit

$156.00

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DIY kits 6N3 Vacuum Tube PreAmplifier SRPP Board Fit for 5670
DIY kits 6N3 Vacuum Tube PreAmplifier SRPP Board Fit for 5670

$28.15

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Malan HDAM Pre-Amplifier Original Toshiba Field Effect input Tube
Malan HDAM Pre-Amplifier Original Toshiba Field Effect input Tube

$40.69

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DIY KIT AC 12V 6J1 Valve Pre-amp Tube PreAmplifier Board Headphone Buffer/Case
DIY KIT AC 12V 6J1 Valve Pre-amp Tube PreAmplifier Board Headphone Buffer/Case

$13.53

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1pc 6J1 tube preamp kit assembled circuit board audio DIY
1pc 6J1 tube preamp kit assembled circuit board audio DIY

$27.25

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Hifi Diy 12AU7+12AX7 Tube preamplifier board / kit base on Hetian Mao's circuit
Hifi Diy 12AU7+12AX7 Tube preamplifier board / kit base on Hetian Mao's circuit

$30.00

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HiFi 12AT7 Vacuum Tube Preamplifier Board Base On Hetian Mau's Preamp Circuit
HiFi 12AT7 Vacuum Tube Preamplifier Board Base On Hetian Mau's Preamp Circuit

$42.00

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DIY 6J1 Tube Preamp Kit For Clean Music Filtration BBT
DIY 6J1 Tube Preamp Kit For Clean Music Filtration BBT

$13.99

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DIY Kit Stereo Valve Pre-amp Tube Pre Amplifier Audio Preamplifier Board Buffer
DIY Kit Stereo Valve Pre-amp Tube Pre Amplifier Audio Preamplifier Board Buffer

$15.43

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MOFI-H.6J1-Tube Pre- Amplifier PCB & DIY KIT & Finished Board
MOFI-H.6J1-Tube Pre- Amplifier PCB & DIY KIT & Finished Board

$20.94

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Valve 6J2 DIY Tube Amplifier Preamp AMP Pre-Amplifier Board Headphone Buffer Kit
Valve 6J2 DIY Tube Amplifier Preamp AMP Pre-Amplifier Board Headphone Buffer Kit

$12.74

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Hifi M7 Tube Pre-amplifier 6Z5P +12AX7B preamplifier base on Marantz 7 circuit
Hifi M7 Tube Pre-amplifier 6Z5P +12AX7B preamplifier base on Marantz 7 circuit

$185.00

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Matisse Fantasy.HV=400VDC-Tube Pre-Amplifie-DIY Kit & Finished Board
Matisse Fantasy.HV=400VDC-Tube Pre-Amplifie-DIY Kit & Finished Board

$59.56

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Hifi PRT03A Stereo 12AU7 Tube Preamplifier Board / Kit /Pcb Base On C22 Circuit
Hifi PRT03A Stereo 12AU7 Tube Preamplifier Board / Kit /Pcb Base On C22 Circuit

$20.00

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Hifi ECC82+6Z4 vacuum tube stereo preamplifier kit base on Shigeru Wada Circuit
Hifi ECC82+6Z4 vacuum tube stereo preamplifier kit base on Shigeru Wada Circuit

$149.00

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Diy Kits for PRT-01A 6J1 Tube Preamplifier Amplifier Board AMP
Diy Kits for PRT-01A 6J1 Tube Preamplifier Amplifier Board AMP

$28.24

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MOFI-Marantz 7-Tube Pre-Amplifie-PCB & DIY Kit & Finished Board
MOFI-Marantz 7-Tube Pre-Amplifie-PCB & DIY Kit & Finished Board

$35.81

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TUBE-3 6J1 Digital vacuum tube auido Amplifier Kit Preamplifier Tube Amplifier
TUBE-3 6J1 Digital vacuum tube auido Amplifier Kit Preamplifier Tube Amplifier

$72.16

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

$30.70

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