Amplifier PCBs for sale

919 Results

New ListingDENON AVR-S720W ORIGINAL DIGITAL HDMI PCB WORKING USED
Pre-Owned · Denon
$85.00
$10.50 shipping
N+^ C&* ]3 U w.83 ?N1! |/ $S p o n s o r e d
DIY Balanced To Unbalanced Audio Signal XLR TO single-ended Converter (B6-14)
Brand New · Unbranded
$8.99 to $34.99
Free shipping
6+^ N RV MN &* ] B7w.? 4N !|/ $S p o n s o r e d
AD1865 DAC printed circuit board with programmed FPGA.
Brand New · Unbranded
$49.00
or Best Offer
$16.99 shipping
15 watching
F+^ I& P* ] L w.M?!|Z /O M$ S p o n s o r e d
HiFi Universal Power Supply Board PCB DC350V /300V For Tube Amplifier /Preamp
Brand New
$7.00
$90.00 shipping
31 sold
+^ &*X A ] IN w.?P2!|/ W$S p o n s o r e d
DIY PCB - "The Engineer's Amplifier" P-P 20W tube amp
Brand New · Unbranded
$50.00
$16.00 shipping
155 sold
WU+^ & * ] G7w.?! NW| 4S/ $
4x DIY PCB - Cascode CCS (Constant Current Source)
Brand New · Unbranded
$15.00
$16.00 shipping
39 sold
FK W+S^ OR &* H5] Lw.?!|2 / $
BC-1 Amplifier pcb set , ~150-200 W/ch/8ohms stereo (Class-AB)
Brand New · Unbranded
$72.29
$15.61 shipping
24 watching
+79 BH^ &* ] P8w .?1!L |/ J$
DIY PCB - High voltage "Maida" style regulator PCB
Brand New · Unbranded
$15.00
$16.00 shipping
364 sold
+^ &* ] wD.H IE?!|/ UT$
DIY PCB -2x Regulated DC power supply / filament supply
Brand New · Unbranded
$30.00
$16.00 shipping
348 sold
C+^2 5&*R ]4D Hw.X? !|/7 $
DIY PCB - Stereo tube active crossover
Brand New · Unbranded
$50.00
$16.00 shipping
71 sold
T+^H &* HP] U E w.?!IL |/YL $
DIY PCB - MOSFET source follower buffer for class-A2 drive
Brand New · Unbranded
$15.00
$16.00 shipping
140 sold
+^ &S*Y ] w.?!|/ $PW X
ORIGINAL NAD M10 SWITCHING POWER SUPPLY/POWER AMP PCB WORKING GOOD USED
Pre-Owned · AMP
$119.99
$14.99 shipping
+^ &* 6]R w.B?X !J|X/ $ Y
DIY PCB - Bipolar (opamp) power supply
Brand New · Unbranded
$30.00
$16.00 shipping
165 sold
TW +^ H&* ]7 5 w.?!N|/ PZ$
HIFI 6010D Preamplifier Kit + PSU kit Base On M-B-L6010 Preamp Circuit (B6-22)
Brand New · Unbranded
$21.99 to $72.99
Free shipping
+JA V^2 & Y* ]O PC w.?BA! |/ $S p o n s o r e d
300B Single-ended PCB set
Brand New · Unbranded
$30.00
$7.97 shipping
17 watching
+XN ^ZE C&* A] 4Hw. ?E!Y |/ $S p o n s o r e d
Hifi Japan ALPS 27 Volume Potentiometer RK27 4X10KA/4X 50KA/4X100KA Round + PCB
Brand New
$38.00
$100.00 shipping
L4+^ & *7 0 A] w9 S.5 ?!|/31 $S p o n s o r e d
Jean Hiraga Super Class A Amplifier PCB Set Premium Custom DIY 2x Blank PCBs
Brand New
$35.11
$14.52 shipping
70 watching
Q+^ F &* ]Z8 UwU. N?!|4 / $
Grayhill Rotary Selector 71BDF30-02 Switch + DALAUDIO PCB - Audio Selector Kit
Brand New
$39.99
or Best Offer
$5.94 shipping
6 watching
PT+^ & *7 S ] Gw.?H U!|/ X$
DIY PCB - "Mighty Midget" tube amplifier
Brand New · Unbranded
$40.00
$16.00 shipping
65 sold
+^ &*B7 ] QY JK w .A?O 9!|/B $
2X DIY PCB - Universal push-pull power amp board
Brand New · Unbranded
$60.00
$16.00 shipping
63 sold
+U^ D&* ]2E w.? !|/ $IL B
Millett Hybrid MAX/MOSFET-MAX V1.2 PCB
Brand New
$25.00
Free shipping
+X^R 02 &X* F] w. CI? QQ!| / $
HiFi 6V6 6SL7 Vacuum Tube Amplifier Board Kit / PCB Stereo Amp Board 10W
Brand New · Unbranded
$51.31
$5.00 shipping
12 watching
X4 +^ &JA* V]B w. A?0! |/ $
DIY PCB - Power supply board w/ delay for tube amps using Tentlabs MEC
Brand New · Unbranded
$20.00
$16.00 shipping
Y4+^ H&J G* ]I w.?!|/ RK $
DIY Hifi Unbalanced To Balanced Audio Signal RCA To XLR Converter kit (B6-13)
Brand New · Unbranded
$7.99 to $27.50
Free shipping
4+C^ &* ] wCX .YN? UV!|/ RI $
NEW Audio Research AM-1 AM-2 Boards 2 Each PCB D-52 D-100 D-110 D-350 D-120 D-60
Brand New · Unbranded
$25.00
Free shipping
14 watching
Q+F C^0 &* T F] w.?!B|L ZE/ $
DWM3640NV_V20 Compatible Class D Amplifier Audio PWM Card
Brand New · Unbranded
$55.00
or Best Offer
$10.40 shipping
X+^Q 9 G&* ] 96w L.?!G|/ CB $
DIY PCB - Solid-state LR phono preamp
Brand New · Unbranded
$30.00
$16.00 shipping
Only 3 left
+D^ &I 63 4* ] Xw .C?B!| / $
DIY PCB - V2 50 watt monoblock " Engineer's Amplifier" tube amp - No Sockets
Brand New · Unbranded
$30.00
$16.00 shipping
100 sold
+^FR ML &*33 ] VwG 65. ?!|/ $
YAMAHA RX-A2080/RX-A1080 DIGITAL DSP AUDIO PCB WORKING GOOD USED
Pre-Owned · Yamaha
$139.99
Free shipping
+A^I &* R ] wO. ?PN !B|/ $DS p o n s o r e d
HiFi 1PC EL84 Stereo Push-Pull Vaccum Tube Amplifier Bare Board PCB
Brand New
$10.00
$90.00 shipping
21 sold
+5M^ 8&F M* 3] wVV .?!F|W/ $S p o n s o r e d
HiFi Diy KONDO M77 Preamplifier Board Kit Stereo Tube Phono Audio Preamp Board
Brand New
$65.00
$100.00 shipping
42 watching
+^ &F* K 46 ] O2w.?!|/ $ HS p o n s o r e d
DIY Hifi Unbalanced To Balanced Audio Signal RCA To XLR Converter kit (B6-13)
Brand New · Unbranded
$7.99 to $27.99
Free shipping
Z+^ S& *4N ]2Z w.? !|/D U$ S p o n s o r e d
Parallel TDA7293 Power Amplifier with Input Buffer BARE PCB
Brand New
$20.00
or Best Offer
$8.00 shipping
8+Z^ & * 1L J] w6 7.?!|/ U$
DIY PCB - Power supply board for tube amps
Brand New · Unbranded
$18.00
$16.00 shipping
136 sold
U+G ^ &* ] 2w.0? I!|9 / $UR
YAMAHA RX-V385 ORIGINAL DIGITAL HDMI PCB WORKING USED
Pre-Owned · Yamaha
$109.99
Free shipping
Q+^ G&* O I] w 4R. ?!LY| 0/X $
DIY PCB - ~5 watt linear "USB adapter"
Brand New · Unbranded
$20.00
$16.00 shipping
61 sold
1+^ &* H] G6 w.?N!I|/ F A$
DIY PCB - A2 tube amp driver PCB
Brand New · Unbranded
$25.00
$16.00 shipping
+^YU &* 81 3 ] w.?G!| 4/ $P
DIY PCB - Push-pull tube amp driver PCB
Brand New · Unbranded
$30.00
$16.00 shipping
69 sold
+^ &* ]5 6w. V?8!|/ $MJ 8M
YAMAHA CX-A5200 DIGITAL DSP AUDIO PCB WORKING GOOD USED
Pre-Owned · Yamaha
$139.99
Free shipping
EV +^ &NB* ] w.? WR!|/ N$S p o n s o r e d
PCB Only LM3886 Power Amplifier Board Audio Module 68W 68W 20-35V Dual Channel
Brand New
$6.98
or Best Offer
$500.00 shipping
+^ &*UL ] 0wB. WW?!| A/6 $S p o n s o r e d
Miscellaneous QSC Amp Parts
New (Other) · QSC
$100.00
or Best Offer
$34.68 shipping
6+^ A&* ] w.?! |T/ $6 C8 T
DIY PCB - Cap board for tube amp (for snapmount electrolytic caps)
Brand New · Unbranded
$12.00
$16.00 shipping
293 sold
+K^O M&*5 ] Hw.?5!|/ 7$8
Hifi MM RIAA Turntables Ear834 Tube Phono Amplifier Bare PCB
Brand New · Unbranded
$29.99
Free shipping
23 sold
7B+^ &* 0] w.?!|I/ $14
Panasonic SA-PT660,SA-PT760,Sa-PT960 Receiver RJBX0565AB iPOD Power PCB Nice!
Pre-Owned · Panasonic
$28.00
$7.25 shipping
+XC 4T^ G&* ] 3 6w.U? !|/ $
SanKen SI-1050G Hybrid Audio 50 W Power Output Amplifier HiFi Vintage Audio
Brand New · Sanken
$24.99
Free shipping
Y8+^ &*4M ] SW wB.?!N KB| / $
ICEpower 1200AS1 1200W amplifier, one unit
Brand New
$269.10
or Best Offer
$25.00 shipping
0 bids
11h 30m
+S^ &6* J ] C w.?!2T| /E N$
DIY PCB - Connection board for Alps RK27 pot
Brand New · Unbranded
$10.00
$16.00 shipping
21 watching
P+^E 99& *5 ]G D w3.?! NH |/ $
DIY PCB - Two-channel shunt-regulated adjustable bias supply
Brand New · Unbranded
$18.00
$16.00 shipping
125 sold
+^B Z C&* P ]D 3w. M?!|/T $
Bose Acoustic Wave Music System CD3000 Working PCB Main Board Only.
Pre-Owned · Bose
$74.99
Free shipping
+^7 Y Z&*S A6 SE ]B6 w.? !|/ $
DIY PCB - Power supply board for tube amps using Tentlabs MEC
Brand New · Unbranded
$12.00
$16.00 shipping
D+^ 8&* ] TwY .?GE 5!|/ $9
SHERBOURN 5/5210 Amplifier Channels 1,2, & 3 SPEAKER TERMINAL PCB Board GREAT
Pre-Owned
$39.96
Was: $49.95was - US $49.95
Free shipping
+5^N TY& 6* U] w.J?!|3/ O$
DIY PCB - "Butte" solid-state headphone amp
Brand New · Unbranded
$20.00
$16.00 shipping
191 sold
+S^ &*5 ] w.8?6 !F|/ $U Y
DIY PCB - "Jonokuchi" tube headphone / speaker amp
Brand New · Unbranded
$40.00
$16.00 shipping
172 sold
+^ W&*0 ] QOw .N?!T|/ 3T $
BC-1 Amplifier pcb set of 4 , ~150-200 W/ch/8ohms stereo (Class-AB)
Brand New · Unbranded
$36.15
$14.14 shipping
V+^2 &* GT] 8w.?Z!|/ $DB
DIY PCB - Muting Circuit for Audio Amp or Preamp
Brand New · Unbranded
$18.00
$16.00 shipping
105 sold
+T^6 PK& * ] w0.6 ?HC FZ !|/ $
YAMHA TSR-7810 ORIGINAL OR RX-V781/RX-A860 DIGITAL HDMI PCB WORKING USED
Pre-Owned · Yamaha
$109.99
$14.99 shipping
+^ 4&A* ZY ER ] Ew.Z ?H!W |/ $
Black PCB Mono Power Amplifier Board 200W 1943+5200 High After Tube Board
Brand New · Unbranded
$20.90
or Best Offer
$1.99 shipping
+^ &* FF] EwQ .T?!|/ H$ J3
DIY PCB - Triple-Triode push-pull tube amp driver PCB
Brand New · Unbranded
$30.00
$16.00 shipping
Only 2 left
+^ &2* L P]N w X.U?! |/ $F
One Pair Split ECC83 Tube Preamplifier Kit Base On Conrad-johnson Line (B6-15)
Brand New
$12.99 to $45.99
Free shipping
+Y^ &3* ] w.?!|/ $ERS p o n s o r e d
1PC HiFi 6V6 + ECF80 Stereo Push-Pull Amplifier Board PCB Tube Amp Board
Brand New
$17.00
$90.00 shipping
15 watching
+^ &XY* C] w0. N?!1| / 0$I S p o n s o r e d

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919 Results

New ListingDENON AVR-S720W ORIGINAL DIGITAL HDMI PCB WORKING USED

DIY Balanced To Unbalanced Audio Signal XLR TO single-ended Converter (B6-14)

AD1865 DAC printed circuit board with programmed FPGA.

HiFi Universal Power Supply Board PCB DC350V /300V For Tube Amplifier /Preamp

DIY PCB - "The Engineer's Amplifier" P-P 20W tube amp

4x DIY PCB - Cascode CCS (Constant Current Source)

BC-1 Amplifier pcb set , ~150-200 W/ch/8ohms stereo (Class-AB)

DIY PCB - High voltage "Maida" style regulator PCB

DIY PCB -2x Regulated DC power supply / filament supply

DIY PCB - Stereo tube active crossover

DIY PCB - MOSFET source follower buffer for class-A2 drive

ORIGINAL NAD M10 SWITCHING POWER SUPPLY/POWER AMP PCB WORKING GOOD USED

DIY PCB - Bipolar (opamp) power supply

HIFI 6010D Preamplifier Kit + PSU kit Base On M-B-L6010 Preamp Circuit (B6-22)

300B Single-ended PCB set

Hifi Japan ALPS 27 Volume Potentiometer RK27 4X10KA/4X 50KA/4X100KA Round + PCB

Jean Hiraga Super Class A Amplifier PCB Set Premium Custom DIY 2x Blank PCBs

Grayhill Rotary Selector 71BDF30-02 Switch + DALAUDIO PCB - Audio Selector Kit

DIY PCB - "Mighty Midget" tube amplifier

2X DIY PCB - Universal push-pull power amp board

Millett Hybrid MAX/MOSFET-MAX V1.2 PCB

HiFi 6V6 6SL7 Vacuum Tube Amplifier Board Kit / PCB Stereo Amp Board 10W

DIY PCB - Power supply board w/ delay for tube amps using Tentlabs MEC

DIY Hifi Unbalanced To Balanced Audio Signal RCA To XLR Converter kit (B6-13)

NEW Audio Research AM-1 AM-2 Boards 2 Each PCB D-52 D-100 D-110 D-350 D-120 D-60

DWM3640NV_V20 Compatible Class D Amplifier Audio PWM Card

DIY PCB - Solid-state LR phono preamp

DIY PCB - V2 50 watt monoblock " Engineer's Amplifier" tube amp - No Sockets

YAMAHA RX-A2080/RX-A1080 DIGITAL DSP AUDIO PCB WORKING GOOD USED

HiFi 1PC EL84 Stereo Push-Pull Vaccum Tube Amplifier Bare Board PCB

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

DIY Hifi Unbalanced To Balanced Audio Signal RCA To XLR Converter kit (B6-13)

Parallel TDA7293 Power Amplifier with Input Buffer BARE PCB

DIY PCB - Power supply board for tube amps

YAMAHA RX-V385 ORIGINAL DIGITAL HDMI PCB WORKING USED

DIY PCB - ~5 watt linear "USB adapter"

DIY PCB - A2 tube amp driver PCB

DIY PCB - Push-pull tube amp driver PCB

YAMAHA CX-A5200 DIGITAL DSP AUDIO PCB WORKING GOOD USED

PCB Only LM3886 Power Amplifier Board Audio Module 68W 68W 20-35V Dual Channel

Miscellaneous QSC Amp Parts

DIY PCB - Cap board for tube amp (for snapmount electrolytic caps)

Hifi MM RIAA Turntables Ear834 Tube Phono Amplifier Bare PCB

Panasonic SA-PT660,SA-PT760,Sa-PT960 Receiver RJBX0565AB iPOD Power PCB Nice!

SanKen SI-1050G Hybrid Audio 50 W Power Output Amplifier HiFi Vintage Audio

ICEpower 1200AS1 1200W amplifier, one unit

DIY PCB - Connection board for Alps RK27 pot

DIY PCB - Two-channel shunt-regulated adjustable bias supply

Bose Acoustic Wave Music System CD3000 Working PCB Main Board Only.

DIY PCB - Power supply board for tube amps using Tentlabs MEC

SHERBOURN 5/5210 Amplifier Channels 1,2, & 3 SPEAKER TERMINAL PCB Board GREAT

DIY PCB - "Butte" solid-state headphone amp

DIY PCB - "Jonokuchi" tube headphone / speaker amp

BC-1 Amplifier pcb set of 4 , ~150-200 W/ch/8ohms stereo (Class-AB)

DIY PCB - Muting Circuit for Audio Amp or Preamp

YAMHA TSR-7810 ORIGINAL OR RX-V781/RX-A860 DIGITAL HDMI PCB WORKING USED

Black PCB Mono Power Amplifier Board 200W 1943+5200 High After Tube Board

DIY PCB - Triple-Triode push-pull tube amp driver PCB

One Pair Split ECC83 Tube Preamplifier Kit Base On Conrad-johnson Line (B6-15)

1PC HiFi 6V6 + ECF80 Stereo Push-Pull Amplifier Board PCB Tube Amp Board

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