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DIY linear power supply linear power supply 24v Oppo linear power supply linear
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PASS A3 Single-ended Class A Power Amplifier Kit / Amplifier Board 30W+30W
PASS A3 Single-ended Class A Power Amplifier Kit / Amplifier Board 30W+30W
Sale
PASS A3 Single-ended Class A Power Amplifier Kit / Amplifier Board 30W+30W
$9.99
4 way LM317/LM337 Precision Adjustable +/-DC Power Supply Board ±1.3V-35V
4 way LM317/LM337 Precision Adjustable +/-DC Power Supply Board ±1.3V-35V
Sale
4 way LM317/LM337 Precision Adjustable +/-DC Power Supply Board ±1.3V-35V
$28 $34
Assembled Stereo UPC1237 Speaker protection board for amplifier DIY
Assembled Stereo UPC1237 Speaker protection board for amplifier DIY
Sale
Assembled Stereo UPC1237 Speaker protection board for amplifier DIY
$10 $12.5
Audio Amplifier DIY HiFi Stereo Power Amplifier Board PCB With Power Supply PCB Refer QUAD606 Gold Seal Version
Audio Amplifier DIY HiFi Stereo Power Amplifier Board PCB With Power Supply PCB Refer QUAD606 Gold Seal Version
Sale
Audio Amplifier DIY HiFi Stereo Power Amplifier Board PCB With Power Supply PCB Refer QUAD606 Gold Seal Version
$10.5 $12.99
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
PASS CRC FirstWatt Rectified Filter Power Supply Bare PCB For F7/F8 With Surge And Temperature Control Switch
PASS CRC FirstWatt Rectified Filter Power Supply Bare PCB For F7/F8 With Surge And Temperature Control Switch
Sale
PASS CRC FirstWatt Rectified Filter Power Supply Bare PCB For F7/F8 With Surge And Temperature Control Switch
$10.99 $13.99
CRC-A5-II HIFI Pure Class A Amplifier Schottky CRC Rectifier Filter Power Supply Bare PCB For PASS A3/A5
CRC-A5-II HIFI Pure Class A Amplifier Schottky CRC Rectifier Filter Power Supply Bare PCB For PASS A3/A5
Sale
CRC-A5-II HIFI Pure Class A Amplifier Schottky CRC Rectifier Filter Power Supply Bare PCB For PASS A3/A5
$10.99 $13.99
HIFI NAC52-PSU NAC52 Preamplifier Dedicated Power Supply Base On NAIM PCB/DIY Kit/Finished Board
HIFI NAC52-PSU NAC52 Preamplifier Dedicated Power Supply Base On NAIM PCB/DIY Kit/Finished Board
Sale
HIFI NAC52-PSU NAC52 Preamplifier Dedicated Power Supply Base On NAIM PCB/DIY Kit/Finished Board
$11.99 $14.99
ZEROZONE Classic HD-8-A1-PRO Headphone Amplifier PCB / Kit / Board With ALPS Potentiometer
ZEROZONE Classic HD-8-A1-PRO Headphone Amplifier PCB / Kit / Board With ALPS Potentiometer
-20% Sale
ZEROZONE Classic HD-8-A1-PRO Headphone Amplifier PCB / Kit / Board With ALPS Potentiometer
$12 $15
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
One pair DIY NAIM NAP250 MOD Amplifier Power amplifier board /DIY kit
One pair DIY NAIM NAP250 MOD Amplifier Power amplifier board /DIY kit
Sale
One pair DIY NAIM NAP250 MOD Amplifier Power amplifier board /DIY kit
$12.5
Original Japan ALPS RK168 Motor potentiometer 2X 50KA 2X 100KA （ 2 channel 4 channel 6 Channel)
Original Japan ALPS RK168 Motor potentiometer 2X 50KA 2X 100KA （ 2 channel 4 channel 6 Channel)
Sale
Original Japan ALPS RK168 Motor potentiometer 2X 50KA 2X 100KA （ 2 channel 4 channel 6 Channel)
$12.5
ZEROZONE NX03 Headphone amplifier Base on RudiStor NX-03 Bare PCB
ZEROZONE NX03 Headphone amplifier Base on RudiStor NX-03 Bare PCB
Sale
ZEROZONE NX03 Headphone amplifier Base on RudiStor NX-03 Bare PCB
$12.99
1pcs original Japan ALPS RK27 volume potentiometer 10KA 20K 50KA 100KA 250KA 500KA
1pcs original Japan ALPS RK27 volume potentiometer 10KA 20K 50KA 100KA 250KA 500KA
Sale
1pcs original Japan ALPS RK27 volume potentiometer 10KA 20K 50KA 100KA 250KA 500KA
$12.99
Assembeld Stereo amplifier speaker protection board (110V-240V)
Assembeld Stereo amplifier speaker protection board (110V-240V)
Sale
Assembeld Stereo amplifier speaker protection board (110V-240V)
$13.5 $18
High Voltage Filament Filter Power Supply Board for Tube Preamp /Power Amplifier
High Voltage Filament Filter Power Supply Board for Tube Preamp /Power Amplifier
Sale
High Voltage Filament Filter Power Supply Board for Tube Preamp /Power Amplifier
$13.5 $20
DIY Tube Preamplifier PSU Board Power Supply Kit For Ground Grid GG Preamplifier DC200V + DC200V/DC280V + DC280V
DIY Tube Preamplifier PSU Board Power Supply Kit For Ground Grid GG Preamplifier DC200V + DC200V/DC280V + DC280V
-20% Sale
(1)
DIY Tube Preamplifier PSU Board Power Supply Kit For Ground Grid GG Preamplifier DC200V + DC200V/DC280V + DC280V
$13.6 $17
High voltage + filament Voltage Regulated power supply board for Tube preamp DIY +180-350VDC adjustable + 6.3V /12.6VDC
High voltage + filament Voltage Regulated power supply board for Tube preamp DIY +180-350VDC adjustable + 6.3V /12.6VDC
Sale
High voltage + filament Voltage Regulated power supply board for Tube preamp DIY +180-350VDC adjustable + 6.3V /12.6VDC
$13.99 $18
3-stage Filter Low Noise Low Ripple Linear Power Supply Board / Linear Power Supply Kit DC5-24V
3-stage Filter Low Noise Low Ripple Linear Power Supply Board / Linear Power Supply Kit DC5-24V
Sale
3-stage Filter Low Noise Low Ripple Linear Power Supply Board / Linear Power Supply Kit DC5-24V
$13.99
HiFi Fully Discrete OP AMP Module Low Noise Field-effect Transistor Differential Input Large Current Output Single / Dual OP AMP
HiFi Fully Discrete OP AMP Module Low Noise Field-effect Transistor Differential Input Large Current Output Single / Dual OP AMP
Sale
HiFi Fully Discrete OP AMP Module Low Noise Field-effect Transistor Differential Input Large Current Output Single / Dual OP AMP
$14.97
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
HIEND A21SE Pure Class A Power Amplifier Reference Sugden A21 Circuit PCB/DIY Kit/Finished Board 26W+26W
HIEND A21SE Pure Class A Power Amplifier Reference Sugden A21 Circuit PCB/DIY Kit/Finished Board 26W+26W
Sale
HIEND A21SE Pure Class A Power Amplifier Reference Sugden A21 Circuit PCB/DIY Kit/Finished Board 26W+26W
$14.99 $18.99
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
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
ZEROZONE Stereo MM Turntable Preamplifier HC-01A Phono Amplifier DIY Kit/Finished Board Base On DUAL Circuit
ZEROZONE Stereo MM Turntable Preamplifier HC-01A Phono Amplifier DIY Kit/Finished Board Base On DUAL Circuit
Sale
ZEROZONE Stereo MM Turntable Preamplifier HC-01A Phono Amplifier DIY Kit/Finished Board Base On DUAL Circuit
$14.99 $17.99
One Pair Classic Symasym 5-3 Discrete Power Amplifier Bare PCB
One Pair Classic Symasym 5-3 Discrete Power Amplifier Bare PCB
Sale
(14)
One Pair Classic Symasym 5-3 Discrete Power Amplifier Bare PCB
$15
CRC-A5 HIFI Pure Class A Amplifier Schottky CRC Rectifier Filter Power Supply DIY Kit/Semi-finished Board For PASS A3/A5
CRC-A5 HIFI Pure Class A Amplifier Schottky CRC Rectifier Filter Power Supply DIY Kit/Semi-finished Board For PASS A3/A5
Sale
CRC-A5 HIFI Pure Class A Amplifier Schottky CRC Rectifier Filter Power Supply DIY Kit/Semi-finished Board For PASS A3/A5
$15.99 $19.99
LITE LS69 Fully Balanced 6922 (6DJ8) Tube Preamplifier Bare PCB
LITE LS69 Fully Balanced 6922 (6DJ8) Tube Preamplifier Bare PCB
Sale
LITE LS69 Fully Balanced 6922 (6DJ8) Tube Preamplifier Bare PCB
$15.99
HiFi RIAA Valve Tube Phono Stage Preamp DIY KIT for MM Turntable Amplifier Base on EAR834
HiFi RIAA Valve Tube Phono Stage Preamp DIY KIT for MM Turntable Amplifier Base on EAR834
Sale
HiFi RIAA Valve Tube Phono Stage Preamp DIY KIT for MM Turntable Amplifier Base on EAR834
$55 $75
ZEROZONE HIFI LS60 Balanced 6DJ8+12AU7 Tube Preamplifier Bare PCB
ZEROZONE HIFI LS60 Balanced 6DJ8+12AU7 Tube Preamplifier Bare PCB
Sale
ZEROZONE HIFI LS60 Balanced 6DJ8+12AU7 Tube Preamplifier Bare PCB
$16.99 $20.99
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