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DIY PCB plus Tube & chip - NuClassD 50W amp using the Korg Nutube 6P1
$60.00$8.00 shipping62 soldDIY PCB -Power supply for class-D (or AB) amps
$18.00$8.00 shippingDIY PCB + panels - Sound Card Interface / RMS Voltmeter
$50.00$8.00 shipping112 soldDIY PCB - 5x Dual opamp experimenter PCB
$20.00$8.00 shipping143 soldDIY PCB - High voltage "Maida" style regulator PCB
$15.00$8.00 shipping159 soldDIY PCB only - NuHybrid Headphone Amp using the Korg Nutube 6P1
$20.00$8.00 shippingDIY PCB - MOSFET source follower buffer for class-A2 drive
$15.00$8.00 shipping85 soldDIY PCB plus Tube - Balanced (differential) preamp/head amp using Korg Nutube
$60.00$8.00 shippingDIY PCB - "Butte" solid-state headphone amp
$20.00$8.00 shipping157 soldDIY PCB - Solid-state LR phono preamp
$30.00$8.00 shipping86 sold8-pin loctal breadboard / prototype tube socket for DIY experimenting
$18.00$8.00 shipping50 sold8-pin octal breadboard / prototype tube socket for DIY experimenting
$18.00$8.00 shipping64 soldDIY PCB - Power-on delay circuit for tube amplifiers
$20.00$8.00 shipping21 watchingDIY PCB - Two-channel shunt-regulated adjustable bias supply
$18.00$8.00 shipping64 soldDIY PCB - "The Engineer's Amplifier" P-P 20W tube amp
$50.00$8.00 shipping93 soldDIY PCB - Power supply board for tube amps
$18.00$8.00 shipping78 soldDIY PCB - ~5 watt linear "USB adapter"
$20.00$8.00 shippingSet of 6 breadboard / prototype tube sockets for DIY experimenting
$90.00$8.00 shipping51 soldDIY PCB - 10-15W high Voltage Power Supply for Tube Preamp
$18.00$8.00 shipping41 soldDIY PCB - Triple-Triode push-pull tube amp driver PCB
$30.00$8.00 shipping54 soldDIY PCB - Push-pull tube amp driver PCB
$30.00$8.00 shipping39 soldDIY PCB - ~8 Watt Bias / Opamp Power Supply
$20.00$8.00 shipping14 soldDIY PCB - Stereo tube active crossover
$50.00$8.00 shipping54 soldDIY PCB - 3B7 Tube Single-ended DHT Hybrid Amp
$40.00$8.00 shippingDIY PCB - Power supply board for tube amps with bias supply
$20.00$8.00 shipping61 soldDIY PCB - "Jonokuchi" tube headphone / speaker amp
$40.00$8.00 shipping154 soldDIY PCB - High-end Tube Microphone Preamp
$30.00$8.00 shipping45 soldDIY PCB plus Tube - Buffer PCB using the Korg Nutube 6P1
$55.00$8.00 shipping209 soldDIY PCB - Banana jack / binding post breakout board
$12.00$8.00 shipping4 pcs. 12-pin PCB-mount (compactron) tube socket
$10.00$8.00 shipping61 soldDIY PCB - Isolated current sensor for PanelPilot meters
$20.00$8.00 shippingDIY PCB - 100mA B+ Power Supply using the Tentlabs MEC
$18.00$8.00 shippingDIY PCB - "Mighty Midget" tube amplifier
$40.00$8.00 shipping52 sold12-pin compactron breadboard / prototype tube socket for DIY experimenting
$18.00$8.00 shipping87 sold9-pin breadboard / prototype tube socket for DIY experimenting
$18.00$8.00 shipping179 soldDIY PCB - 2x Power Opamp Driver PCB (OPA452, OPA547...)
$20.00$8.00 shipping36 soldDIY PCB - Muting Circuit for Audio Amp or Preamp
$18.00$8.00 shipping23 watchingDIY PCB - V2 50 watt monoblock " Engineer's Amplifier" tube amp - No Sockets
$30.00$8.00 shipping11 watching6 pcs. 7-pin miniature PCB-mount tube socket
$10.00$8.00 shipping78 soldDIY PCB - Voltage Selector / Input PCB for Multi-voltage Transformer Primaries
$15.00$8.00 shipping4 pcs. 8-pin PCB-mount Loctal tube socket
$10.00$8.00 shipping26 soldDIY PCB - Cap board for tube amp (for snapmount electrolytic caps)
$12.00$8.00 shipping207 sold2X DIY PCB - Universal push-pull power amp board
$60.00$8.00 shipping40 watching7-pin mini breadboard / prototype tube socket for DIY experimenting
$18.00$8.00 shipping68 sold8-pin octal breadboard / prototype tube socket for DIY experimenting
$18.00$8.00 shipping47 soldDIY PCB only - Buffer PCB using the Korg Nutube 6P1
$18.00$8.00 shippingDIY PCB - Smaller cap board for tube amp (for snapmount electrolytic caps)
$10.00$8.00 shippingDIY PCB -2x Regulated DC power supply / filament supply
$30.00$8.00 shipping126 sold
