Bare PCBs

Borbely all FET Super Buffer stereo partial kit

Mimesis 9.2 JFET Input High Speed MOSFET Power Amplifier PCB Two Pieces

CJ PV-12 tube preamplifier PCB 1 pieces - classic "modern-vintage" tube preamplifier

Telos 390.2 JFET Input High Speed MOSFET Power Amplifier PCB Two Pieces

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Universal Prototyping PCB for Tube Amplifiers Type VIII 2 Pieces

Universal Prototyping PCB for Tube Amplifiers Type VII

Hybrid Class D Preamp DAC Output Board 2025 Andrea Ciuffoli

This is the bare PCB set of  a stereo high-end DAC tube output stage, designed by audio expert Mr. Andrea Ciuffoli.  This is a new design in 2025.

Phono stage RIAA PCB stereo ANK LP3 Pt to Pt version one piece

Note on 6 May 2019 : The boards are now 2mm in thickness( copper thickness inclusive) and gold immersed on surface. This is the bare PCB of a tube-based

CAT SL-1 Simplified Tube Preamplifier Stereo Line-Stage PCB - 1 Piece

This is the bare PCB of a tube line stage pre-amplifier with reference to the legendary Convergence Audio Technology (CAT) SL-1. The original circuit is a bit complicat

Mofo Choke Loaded SE Tube Power Amplifier Driver Board - Andrea Ciuffoli Design

Note on 21 Nov 2021 : The driver board is now the 2021 version. For the details please check the article Inpol/Mofo Amplifier 2021 by Mr. Andrea.   This is the bare PCBs of two channels of class A...

Mosfet SE class A power follower PCB 2019 just power amp boards 2 pieces

This listing is two pieces of bare PCBs of "power follower" 2019 by the designer, audio expert Mr. Andrea Ciuffoli. This is the newest version 2019 and an authorized PCB version by the designer.

EL84 Push-Pull Tube Power Amplifier PCB – Audio Note L1 Based – Onboard Tube Rectifier Option

This is the bare PCB of a tube push-pull power amplifier board with reference to the well accepted ANK L1.  The board's component arrangement highly adheres to the