These pages describe do-it-yourself audio projects.
Topics:
Printed Circuit Boards:
last Changes:
- July 16, 2026: Playback Optimisation with Acourate – Room Macro 5 / Test Convolution
- June 28, 2026: Playback Optimisation with Acourate – Partial Correction with FDW
- June 8, 2026: entire website redesigned
Phono Preamplifiers
- XOno 2019
- DPV1 / Discrete Phono Preamplifier
- DPV1R2 / DPV1R3a
- HPP / Phono Preamplifier for Historical Recordings
- OP Phono
- MC1 / Hiraga MC Prepreamplifier
Two Channel Preamplifiers
Multi Channel Preamplifiers
- VV6 / up to 12 Channels
- VV7 / 10 Channels
- VV8 / 8 Channels
- VV8.2 / up to 10 Channels
Vinyl
- #42 Heavy Mass Record Player
- Power Supply for AC Motors
- Tone Arm & Cartridge Settings
Audio Circuits
- Computer Audio
- DAC II / Dual-Mono ES9018 D/A Converter
- HA1 / OP based Headphone Amplifier
- DHA / Discreet Headphone Amplifier
- AFW1 / Active Crossover
- Stax SRM-T1 Refurbishment
- Symmetrical Stereo / Mono Converter
General Informations / Printed Circuit Boards
- Personal
- Printed Circuit Boards
- RStAudio XOno 2019
- Quad EHT Unit
- Tips & Tricks
- Links
Member of the Association for the Preservation and Promotion of Analog Music Recording and Reproduction e.V.
