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- DIY PCB - V2 50 watt monoblock " Engineer's Amplifier" tube amp - No SocketsOpens in a new window or tabBrand New$30.00pmillett (2,980) 99.1%+$13.95 shipping92 sold
- DIY PCB - "The Engineer's Amplifier" P-P 20W tube ampOpens in a new window or tabBrand New$50.00pmillett (2,980) 99.1%+$16.40 shipping150 sold
- Anti-vibration mount for Korg nutube 6P1Opens in a new window or tab$18.00Save up to 15% when you buy morepmillett (2,980) 99.1%+$16.40 shipping213 sold
- DIY PCB - Stereo tube active crossoverOpens in a new window or tabBrand New$50.00pmillett (2,980) 99.1%+$13.95 shipping69 sold
- UPDATED DESIGN: DIY PCB + panels - Sound Card Interface / RMS VoltmeterOpens in a new window or tabBrand New$50.00pmillett (2,980) 99.1%+$13.95 shippingAlmost gone186 sold
- Partial DIY Kit - "DIY Sangaku" headphone amp / preamp using the Korg nutubeOpens in a new window or tabBrand New$170.00pmillett (2,980) 99.1%+$16.40 shipping84 sold
- DIY PCB -2x Regulated DC power supply / filament supplyOpens in a new window or tabBrand New$30.00Save up to 20% when you buy morepmillett (2,980) 99.1%+$13.95 shipping330 sold
- DIY PCB - 5x Dual opamp experimenter PCBOpens in a new window or tabBrand New$20.00Save up to 20% when you buy morepmillett (2,980) 99.1%+$13.95 shipping257 sold
- DIY PCB plus Tube - NuHybrid Headphone Amp using the Korg Nutube 6P1Opens in a new window or tabBrand New$50.00pmillett (2,980) 99.1%+$16.40 shipping653 sold
- DIY PCB - Cap board for tube amp (for snapmount electrolytic caps)Opens in a new window or tabBrand New$12.00Save up to 20% when you buy morepmillett (2,980) 99.1%+$13.95 shipping273 sold
- DIY PCB - MOSFET source follower buffer for class-A2 driveOpens in a new window or tabBrand New$15.00Save up to 20% when you buy morepmillett (2,980) 99.1%+$13.95 shipping137 sold
- 9-pin breadboard / prototype tube socket for DIY experimentingOpens in a new window or tabBrand New$18.00Save up to 15% when you buy morepmillett (2,980) 99.1%+$16.40 shipping339 sold
- DIY PCB - High-end Tube Microphone PreampOpens in a new window or tabBrand New$30.00pmillett (2,980) 99.1%+$13.95 shipping94 sold
- DIY PCB - Power supply board for tube amps using Tentlabs MECOpens in a new window or tabBrand New$12.00Save up to 20% when you buy morepmillett (2,980) 99.1%+$13.95 shipping
- 4-pin UX4 breadboard / prototype tube socket for DIY experimentingOpens in a new window or tabBrand New$18.00Save up to 15% when you buy morepmillett (2,980) 99.1%+$16.40 shipping50 sold
- DIY PCB - High voltage "Maida" style regulator PCBOpens in a new window or tabBrand New$15.00Save up to 20% when you buy morepmillett (2,980) 99.1%+$13.95 shipping336 sold
- DIY PCB - Solid-state LR phono preampOpens in a new window or tabBrand New$30.00pmillett (2,980) 99.1%+$13.95 shipping176 sold
- DIY PCB - Power supply board w/ delay for tube amps using Tentlabs MECOpens in a new window or tabBrand New$20.00Save up to 20% when you buy morepmillett (2,980) 99.1%+$13.95 shipping
- DIY PCB plus Tube - Balanced (differential) preamp/head amp using Korg NutubeOpens in a new window or tabBrand New$60.00pmillett (2,980) 99.1%+$13.95 shipping84 sold
- DIY PCB - 2-channel 15 or 25VA DC Power SupplyOpens in a new window or tabBrand New$30.00pmillett (2,980) 99.1%+$13.95 shipping18 watchers
- 12-pin compactron breadboard / prototype tube socket for DIY experimentingOpens in a new window or tabBrand New$18.00Save up to 15% when you buy morepmillett (2,980) 99.1%+$16.40 shipping141 sold
- DIY PCB - Mounting board for 2x Lundahl MC Stepup TransformersOpens in a new window or tabBrand New$15.00Save up to 20% when you buy morepmillett (2,980) 99.1%+$13.95 shipping24 watchers
- 2X DIY PCB - Universal push-pull power amp boardOpens in a new window or tabBrand New$60.00pmillett (2,980) 99.1%+$13.95 shipping55 sold
- DIY PCB - Bipolar (opamp) power supplyOpens in a new window or tabBrand New$30.00pmillett (2,980) 99.1%+$13.95 shipping157 sold
- 7-pin mini breadboard / prototype tube socket for DIY experimentingOpens in a new window or tabBrand New$18.00Save up to 15% when you buy morepmillett (2,980) 99.1%+$16.40 shipping155 sold
- Set of 6 breadboard / prototype tube sockets for DIY experimentingOpens in a new window or tabBrand New$90.00pmillett (2,980) 99.1%+$16.40 shipping93 sold
- DIY PCB - Power supply board for tube amps with bias supplyOpens in a new window or tabBrand New$20.00Save up to 20% when you buy morepmillett (2,980) 99.1%+$13.95 shipping109 sold
- DIY PCB - Muting Circuit for Audio Amp or PreampOpens in a new window or tabBrand New$18.00pmillett (2,980) 99.1%+$13.95 shipping101 sold
- DIY PCB - Power supply board for tube ampsOpens in a new window or tabBrand New$18.00Save up to 20% when you buy morepmillett (2,980) 99.1%+$13.95 shipping134 sold
- DIY PCB plus Tube - Buffer PCB using the Korg Nutube 6P1Opens in a new window or tabBrand New$55.00pmillett (2,980) 99.1%+$16.40 shipping284 sold
- DIY PCB -Power supply for class-D (or AB) ampsOpens in a new window or tabBrand New$18.00pmillett (2,980) 99.1%+$13.95 shipping76 sold
- UPDATED: DIY PCB (only) - Sound Card Interface / RMS VoltmeterOpens in a new window or tabBrand New$30.00pmillett (2,980) 99.1%+$13.95 shipping29 watchers
- DIY PCB - Banana jack / binding post breakout boardOpens in a new window or tabBrand New$12.00pmillett (2,980) 99.1%+$13.95 shipping
- DIY PCB - Triple-Triode push-pull tube amp driver PCBOpens in a new window or tabBrand New$30.00pmillett (2,980) 99.1%+$13.95 shipping84 sold
- DIY PCB - Voltage Selector / Input PCB for Multi-voltage Transformer PrimariesOpens in a new window or tabBrand New$15.00pmillett (2,980) 99.1%+$13.95 shipping
- 8-pin octal breadboard / prototype tube socket for DIY experimentingOpens in a new window or tab$18.00Save up to 15% when you buy morepmillett (2,980) 99.1%+$16.40 shipping126 sold
- DIY PCB plus Tube & chip - NuClassD 50W amp using the Korg Nutube 6P1Opens in a new window or tabBrand New$60.00pmillett (2,980) 99.1%+$16.40 shipping160 sold
- DIY PCB - Isolated current sensor for PanelPilot metersOpens in a new window or tabBrand New$20.00pmillett (2,980) 99.1%+$13.95 shipping
- DIY PCB - Two-channel shunt-regulated adjustable bias supplyOpens in a new window or tabBrand New$18.00Save up to 20% when you buy morepmillett (2,980) 99.1%+$13.95 shipping118 sold
- DIY PCB - A2 tube amp driver PCBOpens in a new window or tabBrand New$25.00pmillett (2,980) 99.1%+$13.95 shipping
- DIY PCB - "Mighty Midget" tube amplifierOpens in a new window or tabBrand New$40.00pmillett (2,980) 99.1%+$13.95 shipping65 sold
- DIY PCB - "Jonokuchi" tube headphone / speaker ampOpens in a new window or tabBrand New$40.00pmillett (2,980) 99.1%+$13.95 shipping171 sold
- DIY PCB only - Buffer PCB using the Korg Nutube 6P1Opens in a new window or tabBrand New$18.00pmillett (2,980) 99.1%+$13.95 shipping28 watchers
- 4 pcs. 8-pin PCB-mount Loctal tube socketOpens in a new window or tabBrand New$10.00Save up to 15% when you buy morepmillett (2,980) 99.1%+$16.40 shipping57 sold
- DIY PCB - ~5 watt linear "USB adapter"Opens in a new window or tabBrand New$20.00pmillett (2,980) 99.1%+$13.95 shipping54 sold
- PCB Only - "DIY Sangaku" headphone amp / preamp using the Korg nutubeOpens in a new window or tabBrand New$50.00pmillett (2,980) 99.1%+$13.95 shipping2 watchers
- DIY PCB - 10-15W high Voltage Power Supply for Tube PreampOpens in a new window or tabBrand New$18.00pmillett (2,980) 99.1%+$13.95 shipping69 sold
- DIY PCB - Power-on delay circuit for tube amplifiersOpens in a new window or tabBrand New$20.00pmillett (2,980) 99.1%+$13.95 shipping43 sold
- DIY PCB - "Butte" solid-state headphone ampOpens in a new window or tabBrand New$20.00pmillett (2,980) 99.1%+$13.95 shipping185 sold
- DIY PCB - Multiple voltage power supply board for tube amps using Tentlabs MECOpens in a new window or tabBrand New$18.00Save up to 20% when you buy morepmillett (2,980) 99.1%+$13.95 shipping
- DIY PCB - Smaller cap board for tube amp (for snapmount electrolytic caps)Opens in a new window or tabBrand New$10.00Save up to 20% when you buy morepmillett (2,980) 99.1%+$13.95 shipping69 sold
- DIY PCB - Single-ended tube amp driver PCBOpens in a new window or tabBrand New$20.00pmillett (2,980) 99.1%+$13.95 shipping
- 4 pcs. 12-pin PCB-mount (compactron) tube socketOpens in a new window or tabBrand New$10.00pmillett (2,980) 99.1%+$16.40 shipping145 sold
- DIY PCB only - NuHybrid Headphone Amp using the Korg Nutube 6P1Opens in a new window or tabBrand New$20.00pmillett (2,980) 99.1%+$13.95 shipping
- DIY PCB - 3B7 Tube Single-ended DHT Hybrid AmpOpens in a new window or tabBrand New$40.00pmillett (2,980) 99.1%+$13.95 shipping13 watchers
- 6 pcs. 7-pin miniature PCB-mount tube socketOpens in a new window or tabBrand New$10.00pmillett (2,980) 99.1%+$16.40 shipping105 sold
- DIY PCB - Push-pull tube amp driver PCBOpens in a new window or tabBrand New$30.00pmillett (2,980) 99.1%+$13.95 shipping69 sold
- DIY PCB - 2x Power Opamp Driver PCB (OPA452, OPA547...)Opens in a new window or tabBrand New$20.00pmillett (2,980) 99.1%+$13.95 shipping30 watchers
- 8-pin loctal breadboard / prototype tube socket for DIY experimentingOpens in a new window or tab$18.00Save up to 15% when you buy morepmillett (2,980) 99.1%+$16.40 shipping104 sold
- DIY PCB - ~8 Watt Bias / Opamp Power SupplyOpens in a new window or tabBrand New$20.00pmillett (2,980) 99.1%+$13.95 shipping14 sold