Compare LM317/337 dual rail regulator PCB for preamplifier/headphone amp(green) ! $10.75 Add to Cart Quick view
Compare Aleph-2 100W Mosfet Pure Class A SE amplifier PCB 3 pcs in one set $44.57 Add to Cart Quick view
Compare M22( legendary Pioneer amplifier) 30W Class A amplifier PCB 1 piece $22.43 Add to Cart Quick view
Compare J-FET input cascode class A preamp/headpjone amp + onbrd reg + protection PCB ! $41.50 Add to Cart Quick view
Compare Low-noise shunt regulator plus fully complementary JFET preamp stereo PCB ! $24.58 Add to Cart Quick view
Compare Tube 5687A output headphone amplifier stereo with delay circuit bare PCB ! $41.50 Add to Cart Quick view
Quick view LM317/337 dual rail regulator PCB for preamplifier/headphone amp(green) ! On list is a dual rail regulator PCB to be used with... $10.75 Add to Cart Compare
Quick view Aleph-2 100W Mosfet Pure Class A SE amplifier PCB 3 pcs in one set  ... $44.57 Add to Cart Compare
Quick view M22( legendary Pioneer amplifier) 30W Class A amplifier PCB 1 piece img{max-width:100%}.aucCounter a { text-decoration:none; }.aucCounter span:hover { text-decoration:underline; }.aucHiddenCounter { display:none; }.aucCounterOrangeText { color:#FB6D05; font-family:Arial; Font-size:13px; Font-weight:bold; }... $22.43 Add to Cart Compare
Quick view LM4780 x2 tube buffered amplifier + spk protect PCB ! This is a bare PCB of tube buffered LM4780 stereo power amplifier. With two LM4780 on one board, each LM4780 power amplifier IC is in parallel configuration. Similar design has been used in famous branded products like Rowland Research, who used three... $50.72 Add to Cart Compare
Quick view J-FET input cascode class A preamp/headpjone amp + onbrd reg + protection PCB ! This is a bare PCB of a highly integrated preamplifier/... $41.50 Add to Cart Compare
Quick view B1 J-FET buffer amplifier PCB New Better Version one piece  ... $21.51 Add to Cart Compare
Quick view Low-noise shunt regulator plus fully complementary JFET preamp stereo PCB ! This is the PCB of a high speed low-noise shunt regulator plus a well-designed fully complementary J-FET input preamplifier. The regulator circuitry is based on Stax patented shunt topology( see below). Since the topology was disclosed by MJ magazine... $24.58 Add to Cart Compare
Quick view Tube 5687A output headphone amplifier stereo with delay circuit bare PCB ! This is a bare PCB of a tube amplifier. Each channel... $41.50 Add to Cart Compare
Quick view SE MOSFET full balanced +128 step volume control PCB !  ... $76.86 Add to Cart Compare
Quick view LM3886 x2 + opamp preamplifier 68W 4 ohm amplifier PCB  ... $15.36 Add to Cart Compare
Quick view Discrete class A opamp stereo PCB ! img{max-width:100%} This is the PCB of a discrete opamp amplifier. The design is an extract from the one of the amplifier circuits being used in Marantz PM series. The design features differential input and single-ended class A output. The supply... $13.82 Add to Cart Compare