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38% off
Vinyl Player JRC5532 MM MC Phono Amplifier Reference Germany DUAL Circuit DIY Kit Finished Board Vinyl Player JRC5532 MM MC Phono Amplifier Reference Germany DUAL Circuit DIY Kit Finished Board

Vinyl Player JRC5532 MM MC Phono Amplifier Reference Germany DUAL Circuit DIY Kit Finished Board

$112.06$180.75

10 sold
14% off
Nvarcher Vinyl Player NE5532 / LME49720NA MM MC Phono Amplifier Reference Germany DUAL Circuit Nvarcher Vinyl Player NE5532 / LME49720NA MM MC Phono Amplifier Reference Germany DUAL Circuit

Nvarcher Vinyl Player NE5532 / LME49720NA MM MC Phono Amplifier Reference Germany DUAL Circuit

$14.39$16.73

6 sold
53% off
refer Music fax X-10 circuit LM1875 30W*2 2.0 channel amplifier board 6J3 / GE5464 tube preamplifier amplifier board Beyond 1969 refer Music fax X-10 circuit LM1875 30W*2 2.0 channel amplifier board 6J3 / GE5464 tube preamplifier amplifier board Beyond 1969

refer Music fax X-10 circuit LM1875 30W*2 2.0 channel amplifier board 6J3 / GE5464 tube preamplifier amplifier board Beyond 1969

$200.30$426.16

1 sold
8% off
Sugden SDA-1 JRC5534 Twin Field Tube Input Class A Preamp preamplifier Reference Thurton Circuit.10mA Class A current Sugden SDA-1 JRC5534 Twin Field Tube Input Class A Preamp preamplifier Reference Thurton Circuit.10mA Class A current

Sugden SDA-1 JRC5534 Twin Field Tube Input Class A Preamp preamplifier Reference Thurton Circuit.10mA Class A current

$121.88$132.48

4 sold
15% off
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

HIEND A21SE Pure Class A Power Amplifier Reference Sugden A21 Circuit PCB/DIY Kit/Finished Board 26W+26W

$16.14$18.99

5 sold
A29 DIY Stereo 12AU7 (ECC82) Tube Preamplifier Board HiFi Preamp Kit Refer Audio Note L2 Circuit A29 DIY Stereo 12AU7 (ECC82) Tube Preamplifier Board HiFi Preamp Kit Refer Audio Note L2 Circuit

A29 DIY Stereo 12AU7 (ECC82) Tube Preamplifier Board HiFi Preamp Kit Refer Audio Note L2 Circuit

$18.00$18.00

12 sold
12% off
Reference Conrad-Johnson Pv12 circuit 12AU7 tube preamplifier board PCB / Finished board without tube Reference Conrad-Johnson Pv12 circuit 12AU7 tube preamplifier board PCB / Finished board without tube

Reference Conrad-Johnson Pv12 circuit 12AU7 tube preamplifier board PCB / Finished board without tube

$6.05$6.88

22 sold
14% off
Nvarcher MC MM Preamp Audio Board with JRC5532 OP AMP Reference Marantz circuit Nvarcher MC MM Preamp Audio Board with JRC5532 OP AMP Reference Marantz circuit

Nvarcher MC MM Preamp Audio Board with JRC5532 OP AMP Reference Marantz circuit

$22.70$26.40

9 sold
14% off
Nvarcher JRC5534 Twin Field Tube Input Class A Preamp Reference Thurton Circuit Nvarcher JRC5534 Twin Field Tube Input Class A Preamp Reference Thurton Circuit

Nvarcher JRC5534 Twin Field Tube Input Class A Preamp Reference Thurton Circuit

$19.03$22.13

2 sold
E834 Vacuum Tube Phono Amplifier MM Phonograph Board Reference EAR834 Audio Power Amp Circuit E834 Vacuum Tube Phono Amplifier MM Phonograph Board Reference EAR834 Audio Power Amp Circuit

E834 Vacuum Tube Phono Amplifier MM Phonograph Board Reference EAR834 Audio Power Amp Circuit

$28.00$28.00

10 sold
15% off
Two Channel Large Dynamic Pure Class A Preamplifier Board PCB Refer Bryston DOA33 Circuit Two Channel Large Dynamic Pure Class A Preamplifier Board PCB Refer Bryston DOA33 Circuit

Two Channel Large Dynamic Pure Class A Preamplifier Board PCB Refer Bryston DOA33 Circuit

$5.94$6.99

1 sold
11% off
Refer to Tianlong Circuit SK18752 power amplifier board with operational amplifier front stage and compatible with LM1875 chip Refer to Tianlong Circuit SK18752 power amplifier board with operational amplifier front stage and compatible with LM1875 chip

Refer to Tianlong Circuit SK18752 power amplifier board with operational amplifier front stage and compatible with LM1875 chip

$15.22$17.10

22 sold
25% off
SUQIYA-Reference German MBL6010D preamplifier improved version preamplifier finished board DIY kit JRC5534 hifi audio amplifier SUQIYA-Reference German MBL6010D preamplifier improved version preamplifier finished board DIY kit JRC5534 hifi audio amplifier

SUQIYA-Reference German MBL6010D preamplifier improved version preamplifier finished board DIY kit JRC5534 hifi audio amplifier

$3.41$4.55

7 sold
Reference Musical Fidelity A1 Audio Preamp Board HiFi 5532 Home Preamplifier Kit Reference Musical Fidelity A1 Audio Preamp Board HiFi 5532 Home Preamplifier Kit

Reference Musical Fidelity A1 Audio Preamp Board HiFi 5532 Home Preamplifier Kit

$8.00$8.00

12 sold
6SN7 Tube Pre-Amplifier Board DIY HiFi Home Audio Preamp Reference AudioNote M2 Circuit Kit 6SN7 Tube Pre-Amplifier Board DIY HiFi Home Audio Preamp Reference AudioNote M2 Circuit Kit

6SN7 Tube Pre-Amplifier Board DIY HiFi Home Audio Preamp Reference AudioNote M2 Circuit Kit

$22.00$22.00

6 sold
PRT11A Reference CARY-AE1 Preamplifier Circuit 6SN7 Tube Preamp Finished Board Diy Kit PCB PRT11A Reference CARY-AE1 Preamplifier Circuit 6SN7 Tube Preamp Finished Board Diy Kit PCB

PRT11A Reference CARY-AE1 Preamplifier Circuit 6SN7 Tube Preamp Finished Board Diy Kit PCB

$16.00$16.00

5 sold
BP26 Reference Mark Levinson Series Regulated Power Supply Board PCB For DIY HiFi Home Audio Amplifier Preamplifier BP26 Reference Mark Levinson Series Regulated Power Supply Board PCB For DIY HiFi Home Audio Amplifier Preamplifier

BP26 Reference Mark Levinson Series Regulated Power Supply Board PCB For DIY HiFi Home Audio Amplifier Preamplifier

$2.22$2.22

4 sold
11% off
New DAC Sugden SDA-1 JRC5534 Twin Field Tube Input Class A Preamp preamplifier Reference Thurton Circuit New DAC Sugden SDA-1 JRC5534 Twin Field Tube Input Class A Preamp preamplifier Reference Thurton Circuit

New DAC Sugden SDA-1 JRC5534 Twin Field Tube Input Class A Preamp preamplifier Reference Thurton Circuit

$18.69$21.00

9 sold
15% off
HIFI A60+ Pure Class A Power Amplifier Bare PCB Reference Accuphase A60 Current HIFI A60+ Pure Class A Power Amplifier Bare PCB Reference Accuphase A60 Current

HIFI A60+ Pure Class A Power Amplifier Bare PCB Reference Accuphase A60 Current

$19.97$23.49

4 sold
Reference Audio Note EL84 PP Push-Pull Vacuum Tube Power Amplifier PCB DIY Kit Finished Board Reference Audio Note EL84 PP Push-Pull Vacuum Tube Power Amplifier PCB DIY Kit Finished Board

Reference Audio Note EL84 PP Push-Pull Vacuum Tube Power Amplifier PCB DIY Kit Finished Board

$18.00$18.00

14 sold
Reference FM711 Amp Circuit HiFi Mono 300W Home Audio Power Amplifier Board PCB Reference FM711 Amp Circuit HiFi Mono 300W Home Audio Power Amplifier Board PCB

Reference FM711 Amp Circuit HiFi Mono 300W Home Audio Power Amplifier Board PCB

$7.98$7.98

3 sold
15% off
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

HIEND A21SE Pure Class A Power Amplifier Reference Sugden A21 Circuit PCB/DIY Kit/Finished Board 26W+26W

$16.14$18.99

7 sold
AD584 Reference Source 10V Voltage Reference Board AD584JH AD584LH AD584KH / Resistor Capacitor Board Calibration Multimeter AD584 Reference Source 10V Voltage Reference Board AD584JH AD584LH AD584KH / Resistor Capacitor Board Calibration Multimeter

AD584 Reference Source 10V Voltage Reference Board AD584JH AD584LH AD584KH / Resistor Capacitor Board Calibration Multimeter

$34.27$34.27

6 sold
PRT12A 12AU7 Tube Preamplifier Finished Board & Kit PCB Reference CARY-SLP90 Circuit PRT12A 12AU7 Tube Preamplifier Finished Board & Kit PCB Reference CARY-SLP90 Circuit

PRT12A 12AU7 Tube Preamplifier Finished Board & Kit PCB Reference CARY-SLP90 Circuit

$9.00$9.00

8 sold
6% off
Refer to the Rega Brio line pre- and post-stage integrated power amplifiers Refer to the Rega Brio line pre- and post-stage integrated power amplifiers

Refer to the Rega Brio line pre- and post-stage integrated power amplifiers

$24.44$26.00

1 sold
17% off
Latest upgrade HIFI Preamplifier PCB Board Reference GOLDMUND 27 Circuit DIY Kits Fairchild MPSA42, MPSA92 Latest upgrade HIFI Preamplifier PCB Board Reference GOLDMUND 27 Circuit DIY Kits Fairchild MPSA42, MPSA92

Latest upgrade HIFI Preamplifier PCB Board Reference GOLDMUND 27 Circuit DIY Kits Fairchild MPSA42, MPSA92

$21.21$25.56

2 sold
Reference NAIM HICAP NAC152XS 2-Way +24V Regulated Power Supply Board For Audio Pre-amplifier Reference NAIM HICAP NAC152XS 2-Way +24V Regulated Power Supply Board For Audio Pre-amplifier

Reference NAIM HICAP NAC152XS 2-Way +24V Regulated Power Supply Board For Audio Pre-amplifier

$20.00$20.00

4 sold
9% off
Excellent HiFi 6V6 / EL84 Vacuum Tube Amplifier Board Kit Stereo Amp 10W Refer DYNACO Circuit Excellent HiFi 6V6 / EL84 Vacuum Tube Amplifier Board Kit Stereo Amp 10W Refer DYNACO Circuit

Excellent HiFi 6V6 / EL84 Vacuum Tube Amplifier Board Kit Stereo Amp 10W Refer DYNACO Circuit

$147.67$162.27

10 sold
38% off
BAHOD Reference MBL6010D Power Supply Board 1:1 reproduction of the original circuit HiFi sound amplifier Power Supply Board BAHOD Reference MBL6010D Power Supply Board 1:1 reproduction of the original circuit HiFi sound amplifier Power Supply Board

BAHOD Reference MBL6010D Power Supply Board 1:1 reproduction of the original circuit HiFi sound amplifier Power Supply Board

$111.83$180.37

2 sold
14% off
Nvarcher PASS Preamp PASS2.0 Single-ended Class A Board Reference Bosi MOS Field Effect Tube Nvarcher PASS Preamp PASS2.0 Single-ended Class A Board Reference Bosi MOS Field Effect Tube

Nvarcher PASS Preamp PASS2.0 Single-ended Class A Board Reference Bosi MOS Field Effect Tube

$13.47$15.66

1 sold
14% off
NvarcherVinyl Player NE5532 / LME49720NA MM MC Phono Amplifier Reference Germany DUAL Circuit NvarcherVinyl Player NE5532 / LME49720NA MM MC Phono Amplifier Reference Germany DUAL Circuit

NvarcherVinyl Player NE5532 / LME49720NA MM MC Phono Amplifier Reference Germany DUAL Circuit

$14.39$16.73

20 sold
43% off
Hifivv Audio Refer To MBL6010D Power Circuit Board For Home Speaker Size 125*75mm AC18-22V Input Preamplifier Module Hifivv Audio Refer To MBL6010D Power Circuit Board For Home Speaker Size 125*75mm AC18-22V Input Preamplifier Module

Hifivv Audio Refer To MBL6010D Power Circuit Board For Home Speaker Size 125*75mm AC18-22V Input Preamplifier Module

$9.12$16.00

1 sold
8% off
Excellent HiFi 6V6 / EL84 Vacuum Tube Amplifier Board Kit Stereo Amp 10W Refer DYNACO Circuit Excellent HiFi 6V6 / EL84 Vacuum Tube Amplifier Board Kit Stereo Amp 10W Refer DYNACO Circuit

Excellent HiFi 6V6 / EL84 Vacuum Tube Amplifier Board Kit Stereo Amp 10W Refer DYNACO Circuit

$147.39$160.21

3 sold
14% off
Nvarcher Class A power amplifier OPA2604 / NE5532 OP AMP Preamp Board Refer to MBL6010 Nvarcher Class A power amplifier OPA2604 / NE5532 OP AMP Preamp Board Refer to MBL6010

Nvarcher Class A power amplifier OPA2604 / NE5532 OP AMP Preamp Board Refer to MBL6010

$14.47$16.83

2 sold
38% off
BAHOD Reference bryston preamplifier circuit board Class A preamplifier board HiFi home 2.0 channel pre-sound amplifier board BAHOD Reference bryston preamplifier circuit board Class A preamplifier board HiFi home 2.0 channel pre-sound amplifier board

BAHOD Reference bryston preamplifier circuit board Class A preamplifier board HiFi home 2.0 channel pre-sound amplifier board

$129.03$208.12

13 sold
16% off
HM2S-50W Class A Dual Channel Power Amplifiers AMP Amplifier Board Reference KELL-KSA50 Circuit HM2S-50W Class A Dual Channel Power Amplifiers AMP Amplifier Board Reference KELL-KSA50 Circuit

HM2S-50W Class A Dual Channel Power Amplifiers AMP Amplifier Board Reference KELL-KSA50 Circuit

$12.22$14.55

3 sold
38% off
Vinyl Player JRC5532 MM MC Phono Amplifier Reference Germany DUAL Circuit DIY Kit Finished Board Vinyl Player JRC5532 MM MC Phono Amplifier Reference Germany DUAL Circuit DIY Kit Finished Board

Vinyl Player JRC5532 MM MC Phono Amplifier Reference Germany DUAL Circuit DIY Kit Finished Board

$112.06 $180.75

10 sold

Categories: Consumer Electronics, Home Audio & Video

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14% off
Nvarcher Vinyl Player NE5532 / LME49720NA MM MC Phono Amplifier Reference Germany DUAL Circuit Nvarcher Vinyl Player NE5532 / LME49720NA MM MC Phono Amplifier Reference Germany DUAL Circuit

Nvarcher Vinyl Player NE5532 / LME49720NA MM MC Phono Amplifier Reference Germany DUAL Circuit

$14.39 $16.73

6 sold

Categories: Consumer Electronics, Home Audio & Video

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53% off
refer Music fax X-10 circuit LM1875 30W*2 2.0 channel amplifier board 6J3 / GE5464 tube preamplifier amplifier board Beyond 1969 refer Music fax X-10 circuit LM1875 30W*2 2.0 channel amplifier board 6J3 / GE5464 tube preamplifier amplifier board Beyond 1969

refer Music fax X-10 circuit LM1875 30W*2 2.0 channel amplifier board 6J3 / GE5464 tube preamplifier amplifier board Beyond 1969

$200.30 $426.16

1 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
8% off
Sugden SDA-1 JRC5534 Twin Field Tube Input Class A Preamp preamplifier Reference Thurton Circuit.10mA Class A current Sugden SDA-1 JRC5534 Twin Field Tube Input Class A Preamp preamplifier Reference Thurton Circuit.10mA Class A current

Sugden SDA-1 JRC5534 Twin Field Tube Input Class A Preamp preamplifier Reference Thurton Circuit.10mA Class A current

$121.88 $132.48

4 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
15% off
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

HIEND A21SE Pure Class A Power Amplifier Reference Sugden A21 Circuit PCB/DIY Kit/Finished Board 26W+26W

$16.14 $18.99

5 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
A29 DIY Stereo 12AU7 (ECC82) Tube Preamplifier Board HiFi Preamp Kit Refer Audio Note L2 Circuit A29 DIY Stereo 12AU7 (ECC82) Tube Preamplifier Board HiFi Preamp Kit Refer Audio Note L2 Circuit

A29 DIY Stereo 12AU7 (ECC82) Tube Preamplifier Board HiFi Preamp Kit Refer Audio Note L2 Circuit

$18.00 $18.00

12 sold

Categories: Consumer Electronics, Home Audio & Video

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12% off
Reference Conrad-Johnson Pv12 circuit 12AU7 tube preamplifier board PCB / Finished board without tube Reference Conrad-Johnson Pv12 circuit 12AU7 tube preamplifier board PCB / Finished board without tube

Reference Conrad-Johnson Pv12 circuit 12AU7 tube preamplifier board PCB / Finished board without tube

$6.05 $6.88

22 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
14% off
Nvarcher MC MM Preamp Audio Board with JRC5532 OP AMP Reference Marantz circuit Nvarcher MC MM Preamp Audio Board with JRC5532 OP AMP Reference Marantz circuit

Nvarcher MC MM Preamp Audio Board with JRC5532 OP AMP Reference Marantz circuit

$22.70 $26.40

9 sold

Categories: Consumer Electronics, Home Audio & Video

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14% off
Nvarcher JRC5534 Twin Field Tube Input Class A Preamp Reference Thurton Circuit Nvarcher JRC5534 Twin Field Tube Input Class A Preamp Reference Thurton Circuit

Nvarcher JRC5534 Twin Field Tube Input Class A Preamp Reference Thurton Circuit

$19.03 $22.13

2 sold

Categories: Consumer Electronics, Home Audio & Video

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E834 Vacuum Tube Phono Amplifier MM Phonograph Board Reference EAR834 Audio Power Amp Circuit E834 Vacuum Tube Phono Amplifier MM Phonograph Board Reference EAR834 Audio Power Amp Circuit

E834 Vacuum Tube Phono Amplifier MM Phonograph Board Reference EAR834 Audio Power Amp Circuit

$28.00 $28.00

10 sold

Categories: Consumer Electronics, Home Audio & Video

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15% off
Two Channel Large Dynamic Pure Class A Preamplifier Board PCB Refer Bryston DOA33 Circuit Two Channel Large Dynamic Pure Class A Preamplifier Board PCB Refer Bryston DOA33 Circuit

Two Channel Large Dynamic Pure Class A Preamplifier Board PCB Refer Bryston DOA33 Circuit

$5.94 $6.99

1 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
11% off
Refer to Tianlong Circuit SK18752 power amplifier board with operational amplifier front stage and compatible with LM1875 chip Refer to Tianlong Circuit SK18752 power amplifier board with operational amplifier front stage and compatible with LM1875 chip

Refer to Tianlong Circuit SK18752 power amplifier board with operational amplifier front stage and compatible with LM1875 chip

$15.22 $17.10

22 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
25% off
SUQIYA-Reference German MBL6010D preamplifier improved version preamplifier finished board DIY kit JRC5534 hifi audio amplifier SUQIYA-Reference German MBL6010D preamplifier improved version preamplifier finished board DIY kit JRC5534 hifi audio amplifier

SUQIYA-Reference German MBL6010D preamplifier improved version preamplifier finished board DIY kit JRC5534 hifi audio amplifier

$3.41 $4.55

7 sold

Categories: Consumer Electronics, Home Audio & Video

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Reference Musical Fidelity A1 Audio Preamp Board HiFi 5532 Home Preamplifier Kit Reference Musical Fidelity A1 Audio Preamp Board HiFi 5532 Home Preamplifier Kit

Reference Musical Fidelity A1 Audio Preamp Board HiFi 5532 Home Preamplifier Kit

$8.00 $8.00

12 sold

Categories: Consumer Electronics, Home Audio & Video

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6SN7 Tube Pre-Amplifier Board DIY HiFi Home Audio Preamp Reference AudioNote M2 Circuit Kit 6SN7 Tube Pre-Amplifier Board DIY HiFi Home Audio Preamp Reference AudioNote M2 Circuit Kit

6SN7 Tube Pre-Amplifier Board DIY HiFi Home Audio Preamp Reference AudioNote M2 Circuit Kit

$22.00 $22.00

6 sold

Categories: Consumer Electronics, Home Audio & Video

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PRT11A Reference CARY-AE1 Preamplifier Circuit 6SN7 Tube Preamp Finished Board Diy Kit PCB PRT11A Reference CARY-AE1 Preamplifier Circuit 6SN7 Tube Preamp Finished Board Diy Kit PCB

PRT11A Reference CARY-AE1 Preamplifier Circuit 6SN7 Tube Preamp Finished Board Diy Kit PCB

$16.00 $16.00

5 sold

Categories: Consumer Electronics, Home Audio & Video

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BP26 Reference Mark Levinson Series Regulated Power Supply Board PCB For DIY HiFi Home Audio Amplifier Preamplifier BP26 Reference Mark Levinson Series Regulated Power Supply Board PCB For DIY HiFi Home Audio Amplifier Preamplifier

BP26 Reference Mark Levinson Series Regulated Power Supply Board PCB For DIY HiFi Home Audio Amplifier Preamplifier

$2.22 $2.22

4 sold

Categories: Consumer Electronics, Home Audio & Video

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11% off
New DAC Sugden SDA-1 JRC5534 Twin Field Tube Input Class A Preamp preamplifier Reference Thurton Circuit New DAC Sugden SDA-1 JRC5534 Twin Field Tube Input Class A Preamp preamplifier Reference Thurton Circuit

New DAC Sugden SDA-1 JRC5534 Twin Field Tube Input Class A Preamp preamplifier Reference Thurton Circuit

$18.69 $21.00

9 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
15% off
HIFI A60+ Pure Class A Power Amplifier Bare PCB Reference Accuphase A60 Current HIFI A60+ Pure Class A Power Amplifier Bare PCB Reference Accuphase A60 Current

HIFI A60+ Pure Class A Power Amplifier Bare PCB Reference Accuphase A60 Current

$19.97 $23.49

4 sold

Categories: Consumer Electronics, Home Audio & Video

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Reference Audio Note EL84 PP Push-Pull Vacuum Tube Power Amplifier PCB DIY Kit Finished Board Reference Audio Note EL84 PP Push-Pull Vacuum Tube Power Amplifier PCB DIY Kit Finished Board

Reference Audio Note EL84 PP Push-Pull Vacuum Tube Power Amplifier PCB DIY Kit Finished Board

$18.00 $18.00

14 sold

Categories: Consumer Electronics, Home Audio & Video

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Reference FM711 Amp Circuit HiFi Mono 300W Home Audio Power Amplifier Board PCB Reference FM711 Amp Circuit HiFi Mono 300W Home Audio Power Amplifier Board PCB

Reference FM711 Amp Circuit HiFi Mono 300W Home Audio Power Amplifier Board PCB

$7.98 $7.98

3 sold

Categories: Consumer Electronics, Home Audio & Video

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15% off
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

HIEND A21SE Pure Class A Power Amplifier Reference Sugden A21 Circuit PCB/DIY Kit/Finished Board 26W+26W

$16.14 $18.99

7 sold

Categories: Consumer Electronics, Home Audio & Video

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AD584 Reference Source 10V Voltage Reference Board AD584JH AD584LH AD584KH / Resistor Capacitor Board Calibration Multimeter AD584 Reference Source 10V Voltage Reference Board AD584JH AD584LH AD584KH / Resistor Capacitor Board Calibration Multimeter

AD584 Reference Source 10V Voltage Reference Board AD584JH AD584LH AD584KH / Resistor Capacitor Board Calibration Multimeter

$34.27 $34.27

6 sold

Categories: Consumer Electronics, Home Audio & Video

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PRT12A 12AU7 Tube Preamplifier Finished Board & Kit PCB Reference CARY-SLP90 Circuit PRT12A 12AU7 Tube Preamplifier Finished Board & Kit PCB Reference CARY-SLP90 Circuit

PRT12A 12AU7 Tube Preamplifier Finished Board & Kit PCB Reference CARY-SLP90 Circuit

$9.00 $9.00

8 sold

Categories: Consumer Electronics, Home Audio & Video

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6% off
Refer to the Rega Brio line pre- and post-stage integrated power amplifiers Refer to the Rega Brio line pre- and post-stage integrated power amplifiers

Refer to the Rega Brio line pre- and post-stage integrated power amplifiers

$24.44 $26.00

1 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
17% off
Latest upgrade HIFI Preamplifier PCB Board Reference GOLDMUND 27 Circuit DIY Kits Fairchild MPSA42, MPSA92 Latest upgrade HIFI Preamplifier PCB Board Reference GOLDMUND 27 Circuit DIY Kits Fairchild MPSA42, MPSA92

Latest upgrade HIFI Preamplifier PCB Board Reference GOLDMUND 27 Circuit DIY Kits Fairchild MPSA42, MPSA92

$21.21 $25.56

2 sold

Categories: Consumer Electronics, Home Audio & Video

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Reference NAIM HICAP NAC152XS 2-Way +24V Regulated Power Supply Board For Audio Pre-amplifier Reference NAIM HICAP NAC152XS 2-Way +24V Regulated Power Supply Board For Audio Pre-amplifier

Reference NAIM HICAP NAC152XS 2-Way +24V Regulated Power Supply Board For Audio Pre-amplifier

$20.00 $20.00

4 sold

Categories: Consumer Electronics, Home Audio & Video

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9% off
Excellent HiFi 6V6 / EL84 Vacuum Tube Amplifier Board Kit Stereo Amp 10W Refer DYNACO Circuit Excellent HiFi 6V6 / EL84 Vacuum Tube Amplifier Board Kit Stereo Amp 10W Refer DYNACO Circuit

Excellent HiFi 6V6 / EL84 Vacuum Tube Amplifier Board Kit Stereo Amp 10W Refer DYNACO Circuit

$147.67 $162.27

10 sold

Categories: Consumer Electronics, Home Audio & Video

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38% off
BAHOD Reference MBL6010D Power Supply Board 1:1 reproduction of the original circuit HiFi sound amplifier Power Supply Board BAHOD Reference MBL6010D Power Supply Board 1:1 reproduction of the original circuit HiFi sound amplifier Power Supply Board

BAHOD Reference MBL6010D Power Supply Board 1:1 reproduction of the original circuit HiFi sound amplifier Power Supply Board

$111.83 $180.37

2 sold

Categories: Consumer Electronics, Home Audio & Video

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14% off
Nvarcher PASS Preamp PASS2.0 Single-ended Class A Board Reference Bosi MOS Field Effect Tube Nvarcher PASS Preamp PASS2.0 Single-ended Class A Board Reference Bosi MOS Field Effect Tube

Nvarcher PASS Preamp PASS2.0 Single-ended Class A Board Reference Bosi MOS Field Effect Tube

$13.47 $15.66

1 sold

Categories: Consumer Electronics, Home Audio & Video

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14% off
NvarcherVinyl Player NE5532 / LME49720NA MM MC Phono Amplifier Reference Germany DUAL Circuit NvarcherVinyl Player NE5532 / LME49720NA MM MC Phono Amplifier Reference Germany DUAL Circuit

NvarcherVinyl Player NE5532 / LME49720NA MM MC Phono Amplifier Reference Germany DUAL Circuit

$14.39 $16.73

20 sold

Categories: Consumer Electronics, Home Audio & Video

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43% off
Hifivv Audio Refer To MBL6010D Power Circuit Board For Home Speaker Size 125*75mm AC18-22V Input Preamplifier Module Hifivv Audio Refer To MBL6010D Power Circuit Board For Home Speaker Size 125*75mm AC18-22V Input Preamplifier Module

Hifivv Audio Refer To MBL6010D Power Circuit Board For Home Speaker Size 125*75mm AC18-22V Input Preamplifier Module

$9.12 $16.00

1 sold

Categories: Consumer Electronics, Home Audio & Video

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8% off
Excellent HiFi 6V6 / EL84 Vacuum Tube Amplifier Board Kit Stereo Amp 10W Refer DYNACO Circuit Excellent HiFi 6V6 / EL84 Vacuum Tube Amplifier Board Kit Stereo Amp 10W Refer DYNACO Circuit

Excellent HiFi 6V6 / EL84 Vacuum Tube Amplifier Board Kit Stereo Amp 10W Refer DYNACO Circuit

$147.39 $160.21

3 sold

Categories: Consumer Electronics, Home Audio & Video

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14% off
Nvarcher Class A power amplifier OPA2604 / NE5532 OP AMP Preamp Board Refer to MBL6010 Nvarcher Class A power amplifier OPA2604 / NE5532 OP AMP Preamp Board Refer to MBL6010

Nvarcher Class A power amplifier OPA2604 / NE5532 OP AMP Preamp Board Refer to MBL6010

$14.47 $16.83

2 sold

Categories: Consumer Electronics, Home Audio & Video

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38% off
BAHOD Reference bryston preamplifier circuit board Class A preamplifier board HiFi home 2.0 channel pre-sound amplifier board BAHOD Reference bryston preamplifier circuit board Class A preamplifier board HiFi home 2.0 channel pre-sound amplifier board

BAHOD Reference bryston preamplifier circuit board Class A preamplifier board HiFi home 2.0 channel pre-sound amplifier board

$129.03 $208.12

13 sold

Categories: Consumer Electronics, Home Audio & Video

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16% off
HM2S-50W Class A Dual Channel Power Amplifiers AMP Amplifier Board Reference KELL-KSA50 Circuit HM2S-50W Class A Dual Channel Power Amplifiers AMP Amplifier Board Reference KELL-KSA50 Circuit

HM2S-50W Class A Dual Channel Power Amplifiers AMP Amplifier Board Reference KELL-KSA50 Circuit

$12.22 $14.55

3 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now