tube-preamplifier-kit

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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

$237.59

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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

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DIY Tube amplifier linestage preamplifier DAC audio chassis 5.5" Height
DIY Tube amplifier linestage preamplifier DAC audio chassis 5.5" Height

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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

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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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DIY Kits Tube Preamplifier Amplifier Board Kit AMP
DIY Kits Tube Preamplifier Amplifier Board Kit AMP

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

$29.79

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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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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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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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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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Low Distortion Circuit Tube Preamplifier Preamp Board DIY Kit for 12AX7 12AU7
Low Distortion Circuit Tube Preamplifier Preamp Board DIY Kit for 12AX7 12AU7

$11.98

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12AU7 ECC88 Tube Preamplifier Reference ARC Circuit by ZHI / Transformer /Case
12AU7 ECC88 Tube Preamplifier Reference ARC Circuit by ZHI / Transformer /Case

$128.25

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

$101.27

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TUBE-T5C Bluetooth 5.0 Tube Preamplifier USB DAC Headphone Amplifier Decoder
TUBE-T5C Bluetooth 5.0 Tube Preamplifier USB DAC Headphone Amplifier Decoder

$94.99

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Tube preamplifier KIT DIY for preamp Famous circuit 12AU7 /12AX7 / 6dj8 No tubes
Tube preamplifier KIT DIY for preamp Famous circuit 12AU7 /12AX7 / 6dj8 No tubes

$104.50

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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

$25.07

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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

$28.00

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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

$10.59

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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

$12.85

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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

$817.80

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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

$193.59

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One Set DIY Integrated Hifi Class A 6J4 6P6P Tube Preamplifier Kit  
One Set DIY Integrated Hifi Class A 6J4 6P6P Tube Preamplifier Kit  

$131.10

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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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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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NEW Tube preamplifier KIT DIY for preamp Famous circuit 12AU7 /12AX7 / 6dj8
NEW Tube preamplifier KIT DIY for preamp Famous circuit 12AU7 /12AX7 / 6dj8

$62.70

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Vacuum Electron Tube Valve Preamp Amplifier Board Headphone Amp Parts Kit
Vacuum Electron Tube Valve Preamp Amplifier Board Headphone Amp Parts Kit

$14.34

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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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12AU7 ECC88 Tube Preamplifier Reference ARC Circuit by ZHI+Transformer+Case
12AU7 ECC88 Tube Preamplifier Reference ARC Circuit by ZHI+Transformer+Case

$128.25

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PRT-13A BAL Tube Preamplifier Board 6DJ8 + ECC82 Balance Tube Preamp Board
PRT-13A BAL Tube Preamplifier Board 6DJ8 + ECC82 Balance Tube Preamp Board

$85.00

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HiFi 12AU7 ECC88 Tube Full Balance Preamplifier Board Kit Refer ARC Premp
HiFi 12AU7 ECC88 Tube Full Balance Preamplifier Board Kit Refer ARC Premp

$125.40

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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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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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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

$15.91

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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

$14.11

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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

$17.08

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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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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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Vacuum Tube Stereo Preamplifier Phono Preamp DIY KIT for KONDO M77(no tube）
Vacuum Tube Stereo Preamplifier Phono Preamp DIY KIT for KONDO M77(no tube）

$147.25

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6J4+6P6P ?? Vacuum Tube Pre-Amplifier Stereo HiFi Preamp DIY Kit Read Descripti
6J4+6P6P ?? Vacuum Tube Pre-Amplifier Stereo HiFi Preamp DIY Kit Read Descripti

$110.99

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

$477.00

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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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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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HIFI 12AX7 Tube MM RIAA Turntable Phono Preamplifier Kit Base On SHUER M-65
HIFI 12AX7 Tube MM RIAA Turntable Phono Preamplifier Kit Base On SHUER M-65

$29.99

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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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Tube preamplifier KIT DIY for preamp Famous circuit 12AU7 /12AX7 / 6dj8
Tube preamplifier KIT DIY for preamp Famous circuit 12AU7 /12AX7 / 6dj8

$60.78

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PATHOS In Control Class-A Tube Preamplifier with Seperate Power Supply
PATHOS In Control Class-A Tube Preamplifier with Seperate Power Supply

$3500.00

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DIY LITE LS60 balanced Tube preamplifier board / balance preamp kit
DIY LITE LS60 balanced Tube preamplifier board / balance preamp kit

$39.00

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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

$41.87

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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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6K4 Tube Preamplifier Amplifier Adjustable Audio Preamplifier Home Theater DIY
6K4 Tube Preamplifier Amplifier Adjustable Audio Preamplifier Home Theater DIY

$18.78

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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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One pair split ECC83 Tube preamp kit base on Conrad-johnson Line (B6-15)
One pair split ECC83 Tube preamp kit base on Conrad-johnson Line (B6-15)

$35.00

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Dynaco PAS Tube PreAmplifier Restoration Kit repair service
Dynaco PAS Tube PreAmplifier Restoration Kit repair service

$155.00

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DIY Tube amplifier linestage preamplifier DAC audio chassis 4.0" Height
DIY Tube amplifier linestage preamplifier DAC audio chassis 4.0" Height

$110.00

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

$24.27

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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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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

$60.53

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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

$145.00

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Tube Preamplifier adjustable power supply board (DC250V-300V) + DC12V
Tube Preamplifier adjustable power supply board (DC250V-300V) + DC12V

$34.00

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

$13.41

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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

$24.38

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DIY 6J-I Valve Pre Amp Tube Stereo Preamplifier Kit For Music Lovers
DIY 6J-I Valve Pre Amp Tube Stereo Preamplifier Kit For Music Lovers

$19.22

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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

$13.64

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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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Classic EL84 Stereo Push-Pull Amplifier PCB Hifi Tube Preamplifier Board Kit
Classic EL84 Stereo Push-Pull Amplifier PCB Hifi Tube Preamplifier Board Kit

$39.99

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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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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

$65.00

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

$4.47

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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

$13.66

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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

$53.00

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

$3.01

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Hifi stereo 6j4+6p6p Class A tube preamplifier DIY Kit a full set
Hifi stereo 6j4+6p6p Class A tube preamplifier DIY Kit a full set

$178.00

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Valve Pre-amp Tube Boost Function Preamplifier DIY Kit DIY Kit For DIY Lover BEA
Valve Pre-amp Tube Boost Function Preamplifier DIY Kit DIY Kit For DIY Lover BEA

$15.99

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

$40.66

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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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Hi-end Tube Pre-Amplifier Stereo Preamp DIY Kit Hi-Fi M7
Hi-end Tube Pre-Amplifier Stereo Preamp DIY Kit Hi-Fi M7

$87.81

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HIFI Stereo Class A FET Preamplifier DIY Kit/Finished Board Base On JC-2 Circuit
HIFI Stereo Class A FET Preamplifier DIY Kit/Finished Board Base On JC-2 Circuit

$34.99

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DIY Tube Preamplifier PSU Board Power Supply Kit For Ground Grid GG Preamplifier
DIY Tube Preamplifier PSU Board Power Supply Kit For Ground Grid GG Preamplifier

$24.99

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

$29.99

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DIY 6J1 Vacuum Tube Preamp Kit For Quality Sound Filtering
DIY 6J1 Vacuum Tube Preamp Kit For Quality Sound Filtering

$16.99

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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 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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AC 12V 6J1 Valve Pre-amp Tube Board Headphone Amplifier w/ Acrylic Case DIY Kits
AC 12V 6J1 Valve Pre-amp Tube Board Headphone Amplifier w/ Acrylic Case DIY Kits

$25.89

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( No Tube ) X10D Preamplifier Kit / Board Base On Musical Fidelity X-10D Preamp
( No Tube ) X10D Preamplifier Kit / Board Base On Musical Fidelity X-10D Preamp

$42.99

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DIY Hifi Stereo Tube Preamp KIT Base On Marantz M7 preamplifier (No Tubes)
DIY Hifi Stereo Tube Preamp KIT Base On Marantz M7 preamplifier (No Tubes)

$37.00

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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

$13.66

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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

$28.21

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PM14A Fully Discrete Pre-Amplifier Diy Kit/Finished Board
PM14A Fully Discrete Pre-Amplifier Diy Kit/Finished Board

$44.17

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Nobsound HiFi Valve Tube Preamp Home Stereo Audio Desktop Preamplifier DIY KIT
Nobsound HiFi Valve Tube Preamp Home Stereo Audio Desktop Preamplifier DIY KIT

$366.59

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

$45.00

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Preamp Low Distortion Circuit Tube Preamplifier + Power Board DIY Kit For 12AX7
Preamp Low Distortion Circuit Tube Preamplifier + Power Board DIY Kit For 12AX7

$20.21

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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

$24.29

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Tube preamplifier KIT DIY for preamp Famous circuit 12AU7 /12AX7 / 6dj8
Tube preamplifier KIT DIY for preamp Famous circuit 12AU7 /12AX7 / 6dj8

$76.83

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HiFi 12AU7 ECC88 Tube Full Balance Preamplifier Board Kit Refer ARC Premp
HiFi 12AU7 ECC88 Tube Full Balance Preamplifier Board Kit Refer ARC Premp

$147.25

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