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linear
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DIY linear power supply linear power supply 24v Oppo linear power supply linear
Preamplifier kit / board
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Assembeld Remote ALPS Motor Volume Control kit (Support 4 Way Audio Input) 50KA or 100KA for choose
Assembeld Remote ALPS Motor Volume Control kit (Support 4 Way Audio Input) 50KA or 100KA for choose
Sale
(3)
Assembeld Remote ALPS Motor Volume Control kit (Support 4 Way Audio Input) 50KA or 100KA for choose
$41 $50
Remote motor Volume control preamplifier board + Standby board with Origianl ALPS RK168 /RK27 Potentiometer
Remote motor Volume control preamplifier board + Standby board with Origianl ALPS RK168 /RK27 Potentiometer
Sale
Remote motor Volume control preamplifier board + Standby board with Origianl ALPS RK168 /RK27 Potentiometer
$38 $45
Stereo Musical Fidelity X-10D Tube Buffer preamplifier board (compatible with 6N11/6922/6DJ8/E88CC/ECC88）
Stereo Musical Fidelity X-10D Tube Buffer preamplifier board (compatible with 6N11/6922/6DJ8/E88CC/ECC88）
Sale
(1)
Stereo Musical Fidelity X-10D Tube Buffer preamplifier board (compatible with 6N11/6922/6DJ8/E88CC/ECC88）
$9.5 $15
SSM2142 unbalanced RCA signal to balanced XLR signal board
SSM2142 unbalanced RCA signal to balanced XLR signal board
Sale
SSM2142 unbalanced RCA signal to balanced XLR signal board
$6 $10
Assembeld Ground Grid gg Preamplifier + PSU Board + Transformer + Tubes
Assembeld Ground Grid gg Preamplifier + PSU Board + Transformer + Tubes
Sale
(1)
Assembeld Ground Grid gg Preamplifier + PSU Board + Transformer + Tubes
$39.99 $49.99
Remote Power on/off control 2 channel Volume control Board with Origianl ALPS RK168 /RK27 Potentiometer
Remote Power on/off control 2 channel Volume control Board with Origianl ALPS RK168 /RK27 Potentiometer
Sale
Remote Power on/off control 2 channel Volume control Board with Origianl ALPS RK168 /RK27 Potentiometer
$32 $37
Flagship 2CH HIFI Stereo NAC52 Preamplifier Base On NAIM PCB/DIY Kit/Finished board
Flagship 2CH HIFI Stereo NAC52 Preamplifier Base On NAIM PCB/DIY Kit/Finished board
Sale
Flagship 2CH HIFI Stereo NAC52 Preamplifier Base On NAIM PCB/DIY Kit/Finished board
$38.99 $48.99
D3020 TREBLE and BASS Single-ended Class A Preamplifier Base On NAD3020 Circuit DIY Kit/Finished Board
D3020 TREBLE and BASS Single-ended Class A Preamplifier Base On NAD3020 Circuit DIY Kit/Finished Board
Sale
D3020 TREBLE and BASS Single-ended Class A Preamplifier Base On NAD3020 Circuit DIY Kit/Finished Board
$14.99 $18.99
PRT-08A 12AU7+12AX7*2 + 6N11 Tube Stereo Preamplifier PCB / Kit / Board Base On CAT SL1
PRT-08A 12AU7+12AX7*2 + 6N11 Tube Stereo Preamplifier PCB / Kit / Board Base On CAT SL1
Sale
PRT-08A 12AU7+12AX7*2 + 6N11 Tube Stereo Preamplifier PCB / Kit / Board Base On CAT SL1
$12.5
GZLOZONE Ground Grid GG 12AU7 Tube Preamplifier Preamp DIY Kit / Finished Board
GZLOZONE Ground Grid GG 12AU7 Tube Preamplifier Preamp DIY Kit / Finished Board
Sale
GZLOZONE Ground Grid GG 12AU7 Tube Preamplifier Preamp DIY Kit / Finished Board
$62.99 $78.99
GZLOZONE Ground Grid GG Tube Preamplifier + Power Supply Board
GZLOZONE Ground Grid GG Tube Preamplifier + Power Supply Board
Sale
GZLOZONE Ground Grid GG Tube Preamplifier + Power Supply Board
$33.99 $42.99
ZEROZONE 6N3(5670) Tube Buffer Preamplifier DIY Kit/Finished Board (No Tube)
ZEROZONE 6N3(5670) Tube Buffer Preamplifier DIY Kit/Finished Board (No Tube)
Sale
ZEROZONE 6N3(5670) Tube Buffer Preamplifier DIY Kit/Finished Board (No Tube)
$10.99 $13.99
HI-END Stereo Tube Preamplifier Base On Rogue99 Preamp Circuit With Power Supply DIY Kit/Finished Baord ((Without Tubes)
HI-END Stereo Tube Preamplifier Base On Rogue99 Preamp Circuit With Power Supply DIY Kit/Finished Baord ((Without Tubes)
Sale
HI-END Stereo Tube Preamplifier Base On Rogue99 Preamp Circuit With Power Supply DIY Kit/Finished Baord ((Without Tubes)
$63.99 $80.99
Hiend Assembeld Ground Grid GG ECC82 Stereo Tube Preamplifier Board
Hiend Assembeld Ground Grid GG ECC82 Stereo Tube Preamplifier Board
Sale
Hiend Assembeld Ground Grid GG ECC82 Stereo Tube Preamplifier Board
$85.99 $89.99
Hiend Assembeld Ground Grid GG ECC82 Stereo Tube Preamplifier Board With Power Supply Board
Hiend Assembeld Ground Grid GG ECC82 Stereo Tube Preamplifier Board With Power Supply Board
Sale
Hiend Assembeld Ground Grid GG ECC82 Stereo Tube Preamplifier Board With Power Supply Board
$72 $88
Hi end Ground Grid Preamp GG Tube Preamplifier Board With Power Supply Board Hi end Ground Grid Preamp GG Tube Preamplifier Board With Power Supply Board
Hi end Ground Grid Preamp GG Tube Preamplifier Board With Power Supply Board Hi end Ground Grid Preamp GG Tube Preamplifier Board With Power Supply Board
Sale
Hi end Ground Grid Preamp GG Tube Preamplifier Board With Power Supply Board Hi end Ground Grid Preamp GG Tube Preamplifier Board With Power Supply Board
$80 $95
【Standard version】 Fully Discrete Preamplifier board Current Feedback preamp board base on Marantz HDAM-SA3
【Standard version】 Fully Discrete Preamplifier board Current Feedback preamp board base on Marantz HDAM-SA3
Sale
【Standard version】 Fully Discrete Preamplifier board Current Feedback preamp board base on Marantz HDAM-SA3
$62 $78
Hifi discrete field-effect transistor preamplifier board. base on the Marantz HDAM preamp circuit
Hifi discrete field-effect transistor preamplifier board. base on the Marantz HDAM preamp circuit
Sale
Hifi discrete field-effect transistor preamplifier board. base on the Marantz HDAM preamp circuit
$39.9 $48
Hifi PRT-15A Stereo Tube preamplifier kit/ board base on Rogue99 preamp circuit (No Tubes)
Hifi PRT-15A Stereo Tube preamplifier kit/ board base on Rogue99 preamp circuit (No Tubes)
Sale
Hifi PRT-15A Stereo Tube preamplifier kit/ board base on Rogue99 preamp circuit (No Tubes)
$39.9 $55
PASS 2.0 Single ended Class A HIFI Field-effect transistor finished preamp board
PASS 2.0 Single ended Class A HIFI Field-effect transistor finished preamp board
Sale
PASS 2.0 Single ended Class A HIFI Field-effect transistor finished preamp board
$96.42 $99
Hifi Pure Preamplifier Board Refer to Classic Marantz HDAM Class A Preamp Circuit Kits For DIY Home Audio Amp Boards Pre-amplifier Kit
Hifi Pure Preamplifier Board Refer to Classic Marantz HDAM Class A Preamp Circuit Kits For DIY Home Audio Amp Boards Pre-amplifier Kit
Sale
Hifi Pure Preamplifier Board Refer to Classic Marantz HDAM Class A Preamp Circuit Kits For DIY Home Audio Amp Boards Pre-amplifier Kit
$34.15
ZEROZONE HIFI LS60 Balanced 6DJ8+12AU7 Tube Preamplifier DIY Kit/Finished Board (No Tubes)
ZEROZONE HIFI LS60 Balanced 6DJ8+12AU7 Tube Preamplifier DIY Kit/Finished Board (No Tubes)
Sale
ZEROZONE HIFI LS60 Balanced 6DJ8+12AU7 Tube Preamplifier DIY Kit/Finished Board (No Tubes)
$40.99 $50.9
ZEROZONE 6N3 Tube Buffer Preamplifier DIY Kit/Finished Board
ZEROZONE 6N3 Tube Buffer Preamplifier DIY Kit/Finished Board
Sale
ZEROZONE 6N3 Tube Buffer Preamplifier DIY Kit/Finished Board
$14.99 $19
LITE LS69 Fully Balanced 6922 Tube Preamplifier DIY Kit/Finished Board (No Tubes)
LITE LS69 Fully Balanced 6922 Tube Preamplifier DIY Kit/Finished Board (No Tubes)
Sale
LITE LS69 Fully Balanced 6922 Tube Preamplifier DIY Kit/Finished Board (No Tubes)
$43.99 $55
Hifi Lehmann circuit Headphone amplifier board suitable for SENNHEISER HD580/HD600/HD650 etc headset
Hifi Lehmann circuit Headphone amplifier board suitable for SENNHEISER HD580/HD600/HD650 etc headset
Sale
Hifi Lehmann circuit Headphone amplifier board suitable for SENNHEISER HD580/HD600/HD650 etc headset
$108 $135
Assembled 6N1 Tube Output board for DAC DIY DAC Stereo Vacuum Tube output board
Assembled 6N1 Tube Output board for DAC DIY DAC Stereo Vacuum Tube output board
Sale
Assembled 6N1 Tube Output board for DAC DIY DAC Stereo Vacuum Tube output board
$28 $35
Hifi Tube Stereo Pre-Amplifier kit Phono Preamp DIY Kit Turntable Amp base on KONDO(AUDIONOTE) M77
Hifi Tube Stereo Pre-Amplifier kit Phono Preamp DIY Kit Turntable Amp base on KONDO(AUDIONOTE) M77
Sale
Hifi Tube Stereo Pre-Amplifier kit Phono Preamp DIY Kit Turntable Amp base on KONDO(AUDIONOTE) M77
$92 $110
Audio Monitor Type Adjustable Gain Multiple HiFi Preamplifier Pre-Amp DIY Kit / board
Audio Monitor Type Adjustable Gain Multiple HiFi Preamplifier Pre-Amp DIY Kit / board
Sale
Audio Monitor Type Adjustable Gain Multiple HiFi Preamplifier Pre-Amp DIY Kit / board
$42