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Pre Amplifier Kit


PROJECT EMBER II TUBE HEADPHONE AMPLIFIER / PRE AMP - BUFFER / DIY KIT / US

$314.99


NEW! PROJECT POLARIS SS HEADPHONE AMPLIFIER / PRE AMP / DIY KIT WITH ALL PARTS!

$229.99


G1217 PROJECT HORIZON III TUBE HEADPHONE AMPLIFIER PRE AMP DIY KIT / US SELLER

$249.99


kIT NE5532 Tone Pre-Amplifier Board w L / R Channel Balance Treble/ Bass Adjust

$18.05


G1217 PROJECT EMBER II TUBE HEADPHONE AMPLIFIER / PRE AMP / DIY KIT / US SELLER

$314.99


Douk Audio Vacuum Tube Pre-Amplifier Stereo HiFi Board PCB DIY Preamplifier Kit

$135.00


Aluminum Chassi for LJM HA-PRO Amplifier Board Kits Headphones Preamp Box

$18.59


NE5532 HIFI Preamp Pre-amplifier Tone Board Kits Treble Alto Bass Volume Control

$7.85


6J4+6P6P Vacuum Tube Pre-Amplifier Stereo HiFi Preamp DIY Kit

$99.00


Douk Audio XLR Balanced&RCA Single-ended Pre-Amplifier Hi-Fi Tube Preamp DIY Kit

$160.00


NEW DIY Marantz7 M7 Tube Pre-Amplifier Kit 6z5p*1 +12ax7b*3 Tubes Amp Kit

$105.00


NE5532 HIFI Preamp Pre-amplifier Tone Board Kits Volume Control AC12V-0-12V

$9.33


The World's Best Vacuum Tube Pre-Amplifier Audio HiFi Preamp Hi-End DIY Kit

$95.00


1Pc NE5532 Preamplifier Audio Amplifier AMP Module PCB Sound Magnifier Board Kit

$6.99


Dual NE5532 Preamp Pre-Amplifier Board DIY Kits For Musical Fidelity A1 Circuit

$9.90


Tube Preamp board DIY Kit Compatible Phono Amplifier ( no Tube & potentiometer)

$161.62


(DIY KIT) MMCF10 LP phonograph MM amplifier / RIAA Phono preamp kit L4-14

$68.00


Class A 6J5 Vacuum Tube Preamp Preamplifier HIFI Headphone Amplifier DIY Kits

$16.62


P7-MINI Pre-AMP pre-amplifier diy kit Full DC no coupling JRC 4580D op-amp hifi

$9.99


Diy Kits for PRT-01A 6J1 Tube Preamplifier Amplifier Board AMP

$20.59


Kubota FET High Voltage Adjustable Filter Regulator Pre-amplifier Power DIY Kits

$11.45


Douk Audio TDA1521 HiFi Stereo Amplifier Board (With Pre-Amp) DIY Kit 1Set

$13.95


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

$6.30


AC Dual 12V Dual Channel Full Direct Coupling Dual Op Amplifier Preamp DIY kits

$10.45


NE5532 OP-AMP HIFI Amplifier Volume Tone EQ Control Board Preamplifier DIY Kits

$6.69


NE5532 Low-pass Filter Mega Bass Pre-Amplifier Preamp Volume Control DIY Kit

$6.50


Dual-channel BTL to XLR Balance Preamp Converter Bridge Processor Board DIY Kit

$7.58


DIY HI-FI 6N3 Tube Pre-Amplifier TDA7294 Amplifier Board Kit 80W+80W

$36.50


America SHURE M65 Circuit MM RIAA Tube Phono Turntable Preamplifier DIY Kit PCB

$59.99


HP1 Series regulator Reference a22 circuit Preamp servo power DIY kit DC +/-30V

$37.30


12V Pre-amp / Tube amp / Amplifier / Filament Filter Power Supply Board DIY Kit

$9.62


New Mega XBS BASS Treble Booster DIY Kits For Preamp Headphone Amplifier Board

$6.50


Douk Audio Full DC Shielded OP-AMP HiFi Pre-amplifier Preamp Board DIY Kits

$15.85


LM1036 Bass HIFI Preamp Tone Board Treble Volume Control Pre-amplifier Board Kit

$7.92


Full FET Ultra Low Noise Regulated Power Supply Bulk Kit For HIFI Preamp Amp DAC

$95.88


P7-MINI Pre-AMP Pre-amplifier DIY Kit Full DC no coupling JRC 4580D op-amp HiFi

$9.96


MMCF10 Hifi LP phonograph MM amplifier kit / RIAA Phono preamplifier kit DIY

$29.80


Classic Circuit Tube Preamplifier Preamp Board DIY Kit fit for 12AX7+12AU7 Tube

$12.19


DIY hifi PRT-01A 6J1 tube preamp kit /Stereo Vacuum tubes preamplifier

$20.00


Douk Audio HiFi Headphone Amplifier Stereo Pre-Amplifier Board DIY Kit

$14.00


DIY hifi TE-01A DC6V 6J1 tube preamp kit / Vacuum tube preamplifier

$17.50


LM1036 HIFI Preamp Tone Board Bass Treble Volume Control Pre-amplifier Board Kit

$8.20


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

$6.02


Low Pass Filter Amplifier Bass Filter Preamp Board Kit DIY Bass Preamp Board Kit

$13.00


DC High Voltage Filament Filter Power Supply Board Kit For Tube Preamp Amplifier

$16.89