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pmillett

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 PC boards and supplies for audio and electronics DIY, especially vacuum tube audio! Design details for most of the PCBs can be found at www.pmillett.com.

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New! 6HJ5 and 6GU5 tubes for Engineer's Amp, with or without a PCB. Coming soon: A Korg Nutube headphone amp PCB, and a buffer PCB.
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47 results found in all categories
View as:ListSort by:Time: newly listed
Picture [hide]Item titlePriceTime Listed
DIY PCB plus Tube - NuHybrid Headphone Amp using the Korg Nutube 6P1
 
Buy it now$50.00Listed:Mar-12 12:48
DIY PCB plus Tube - Buffer PCB using the Korg Nutube 6P1
 
Buy it now$55.00Listed:Mar-11 08:03
6HJ5 & 6GU5 Tubes x3 each for "Engineer's Amp"
 
Buy it now$30.00Listed:Mar-04 08:42
DIY PCB & TUBES - 50 watt monoblock " Engineer's Amplifier" tube amp + 6HJ5,6GU5
 
Buy it now$55.00Listed:Mar-04 08:29
DIY PCB - 50 watt monoblock " Engineer's Amplifier" tube amp
 
Buy it now$30.00Listed:Jan-21 14:10
4 pcs. 12-pin PCB-mount (compactron) tube socket
 
Buy it now$10.00Listed:Jan-21 05:34
SiTubes FWR Solid State Rectifier Tube
 
Buy it now$24.00Listed:Jan-06 12:47
DIY PCB - Power-on delay circuit for tube amplifiers
 
Buy it now$20.00Listed:Jan-03 09:23
8-pin octal breadboard / prototype tube socket for DIY experimenting
 
Buy it now$18.00Listed:Aug-25 09:10
9-pin breadboard / prototype tube socket for DIY experimenting
 
Buy it now$18.00Listed:Jul-16 09:47
DIY PCB + panels - Sound Card Interface / RMS Voltmeter
 
Buy it now$50.00Listed:Jul-11 08:10
DIY PCB - Solid-state LR phono preamp
 
Buy it now$30.00Listed:Apr-21 06:58
DIY PCB -2x Regulated DC power supply / filament supply
 
Buy it now$30.00Listed:Apr-21 06:56
DIY PCB - High voltage "Maida" style regulator PCB
 
Buy it now$15.00Listed:Apr-21 06:54
Enclosure for DIY "Butte" Headphone Amp
 
Buy it now$40.00Listed:Apr-03 11:55
DIY PCB - "Butte" solid-state headphone amp
 
Buy it now$20.00Listed:Dec-15 07:02
DIY PCB - Muting Circuit for Audio Amp or Preamp
 
Buy it now$18.00Listed:Dec-11 08:19
DIY PCB - 10-15W high Voltage Power Supply for Tube Preamp
 
Buy it now$18.00Listed:Dec-11 08:15
6 pcs. 7-pin miniature PCB-mount tube socket
 
Buy it now$10.00Listed:Nov-17 04:48
SiTubes DPM Digital "Panel" Meter Tube
 
Buy it now$62.00Listed:Aug-24 13:44
DIY PCB - Bipolar (opamp) power supply
 
Buy it now$30.00Listed:Jul-14 09:38
SiTubes TDR-HV Solid-State Time Delay Relay Tube
 
Buy it now$60.00Listed:May-21 11:36
SiTubes BRX-LV Low Voltage Bridge Rectifier Tube
 
Buy it now$19.00Listed:May-13 13:44
7-pin mini breadboard / prototype tube socket for DIY experimenting
 
Buy It Now or Best Offer$18.00Listed:Mar-11 13:30
8-pin octal breadboard / prototype tube socket for DIY experimenting
 
Buy it now$18.00Listed:Mar-11 13:29
DIY PCB - High-end Tube Microphone Preamp
 
Buy it now$30.00Listed:Mar-11 13:28
DIY PCB - 5x Dual opamp experimenter PCB
 
Buy it now$20.00Listed:Mar-09 11:59
2X DIY PCB - Universal push-pull power amp board
 
Buy it now$60.00Listed:Feb-18 10:19
DIY PCB - Two-channel shunt-regulated adjustable bias supply
 
Buy it now$18.00Listed:Feb-06 09:49
DIY PCB - "The Engineer's Amplifier" P-P 20W tube amp
 
Buy it now$50.00Listed:Feb-05 11:22
8-pin loctal breadboard / prototype tube socket for DIY experimenting
 
Buy it now$18.00Listed:Aug-17 08:32
4 pcs. 8-pin PCB-mount Loctal tube socket (not octal!)
 
Buy it now$10.00Listed:May-13 11:37
DIY PCB - Power supply board for tube amps with bias supply
 
Buy it now$20.00Listed:Apr-08 10:06
DIY PCB - Triple-Triode push-pull tube amp driver PCB
 
Buy it now$30.00Listed:Apr-08 09:59
DIY PCB - Low voltage regulator PCB (filament supply) for Landfall heatsink
 
Buy it now$15.00Listed:Jan-18 15:32
DIY PCB - Isolated current sensor for PanelPilot meters
 
Buy it now$20.00Listed:Jan-05 12:14
DIY PCB - MOSFET source follower buffer for class-A2 drive
 
Buy it now$15.00Listed:Jan-05 12:04
DIY PCB - Push-pull tube amp driver PCB
 
Buy it now$30.00Listed:Jan-05 11:56
Set of 6 breadboard / prototype tube sockets for DIY experimenting
 
Buy it now$90.00Listed:Nov-10 14:07
DIY PCB - Stereo tube active crossover
 
Buy it now$50.00Listed:Aug-10 08:06
DIY PCB - Power supply board for tube amps
 
Buy it now$18.00Listed:Mar-08 06:22
DIY PCB - 2x Power Opamp Driver PCB (OPA452, OPA547...)
 
Buy it now$20.00Listed:Sep-30 07:40
12-pin compactron breadboard / prototype tube socket for DIY experimenting
 
Buy it now$18.00Listed:Jul-17 19:16
DIY PCB - Cap board for tube amp (for snapmount electrolytic caps)
 
Buy it now$12.00Listed:Jan-22 07:32
DIY PCB - "Might Midget" tube amplifier
 
Buy it now$40.00Listed:Dec-19 12:48
DIY PCB - "Jonokuchi" tube headphone / speaker amp
 
Buy it now$40.00Listed:Jan-31 17:50
DIY PCB - ~8 Watt Bias / Opamp Power Supply
 
Buy it now$20.00Listed:Nov-22 14:52
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