On Sale At usedcarvendor.com!

Tube Preamp Board


AC12V 6J1 Valve Pre-amp Tube Board Headphone Amplifier+Acrylic Case DIY Kits

$9.69


Marantz 7 Circuit PRT07A Tube Preamplifier / Vacuum Phono Amplifier Preamp

$34.10


DIY PCB Board Tube PreAmp or SET PS Power Supply HV LV 50-400VDC 300B 6SN7 12AU7

$22.00


Assembeld Tube Preamp Power Supply Board DC280V + DC280V + DC12.6V Filament

$21.58


Ref Marantz 7 M7 Tube Buffer Audio Preamplifier Pre-AMP Board KIT 12AU7 / 12AX7

$28.99


Valve 6J1 DIY Tube Amplifier Preamp AMP Pre-Amplifier Board Headphone Buffer Kit

$6.09


New 6J1 Valve Pre-amp Tube Board Headphone Amplifier+Case+Power DIY Kits AC 12V

$13.99


6J1 DC12V Valve Preamp Tube Board Headphone Amplifier Board+Acrylic Case DIY Kit

$23.02


Tube PSU High Voltage Filament Filter Power Supply Board f Tube Preamp Amplifier

$19.23


6N11 (ECC88) Tube Buffer Preamp Board DIY - High Input Impedance - Upgraded Caps

$37.70


DIY Kits 6J1 Tube Pre-Amp Audio Module Valve Preamp Bile Buffer Amplifiers Board

$12.78


6J1 HiFi Electronic Tube Preamplifier Board Finished Preamp Amplifer Module

$10.35


6J1 Valve Pre-amp Tube PreAmplifier Board DIY KIT Headphone Buffer +Case AC 12V

$6.32


HiFi 6J1 Class A Bile Tube Preamplifier Amplifier Audio Board Acrylic Chassis

$13.29


HiFi 6J1 Tube Preamplifier Amplifier Board Class A Pre Amp Crystal Shel St

$11.90


FET High Voltage DC Regulator Tube amp/ Pre-amplifier Filter Power Delay Board

$7.30


6J1 Tube Hifi Stereo Electronic Tube Preamplifier Board Finished Preamp Amplifer

$13.98


Low Noise Stereo Tube Preamplifier Preamp Board DIY Kit for 12AX7 / 21AU7 Tube

$12.26


Low Ripple 250V-350V DC High Voltage Power Supply HV PSU Tube preamp/ amplifier

$12.88


Classic Circuit Tube Preamplifier Preamp Board DIY Kits For 12AX7 / 21AU7 Tube

$12.40


HiFi 6J1 Tube Preamplifier Amplifier Board Class A Pre Amp Crystal Shell Af

$16.80


Front Mounted 6J1 Tube Amplifiers Board Pre-Amp Amplifier Audio Module DIY Kits

$12.77


6N11/6DJ8 Stereo Tube Buffer SRPP Preamplifier Pre-amp Headphone Amplifier Board

$14.58


6J1 Tube Preamp Amplifier Board Pre-amp Headphone Buffer Kits DIY Assortment

$6.35


6Z4+12AX7 Tube Preamplifier Preamp Board KIT base on Marantz 7 classical circuit

$28.89


New 6J1 Valve Pre-amp Tube Board Headphone Amplifier+Case+Power DIY Kit AC 12V R

$14.29


AC 12V 6J1 Valve Pre-amp Tube Pre-Amplifier Board Headphone Buffer DIY Kit

$12.49


DIY Hifi 12AU7+12AX7 Tube preamplifier board / stereo Tube preamp kit L13-1

$31.00


GE 5670 / 6N3 *2 Tube Preamplifier Board kit base on MATISSE Preamp Circuit DIY

$28.68


12AX7B+12AT7+6Z4 Pre-Amplifier Regulated Power Supply AMP Amplifier No Tube

$36.66


6J1 Valve Tube Headphone Amplifier/ Pre-Amp Audio HiFi Stereo Assembled Board

$59.00