Bare PCBs

Speaker DC Protection & Soft Start PCB by Andrea Ciuffoli

JFET Input + 12AX7 Tube Hybrid Stereo Preamplifier Bare PCB – Finesse Sound

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Musical Stereo Headphone Amplifier RA-1 PCB for DIY

6H30 Tube Stereo Preamplifier Highly Dynamic Bare PCB

SO8 to DIP 8-Pin Converter PCB (10 Pieces)

Heavy duty CRC power supply dual mono PCB

Tube Pre-Amplifier Regulator SP-10 Premium Grade PCB (Green)

Quad 303 classic 45Wrms/ch amplifier PCB one set three pieces

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Low-noise super shunt regulator using BJTs user settable +/-15V to +/-70V PCB

High current + Low Current Power Supply + Speaker Protector PCB

Borbely EB-108/435 circuit All FET Cascode preamplifier PCB one piece

High current regulator NI35 PCB for class AB power amplifier NAP130 250