Welcome to my DIY Audio Homepage

!!! This page describes DIY (Do It Yourself) audio projects !!!
I accept no liability whatsoever for the correct functioning of the circuits described here, or for any problems or faults that may arise when used in conjunction with other audio equipment.
You undertake the construction and commissioning of these projects at your own risk.

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

• VV3 / Aleph P Ver. 1.7
• VV4 / X0.2
• VV5 / XP-30 & XOno
• VV5.2 / XC-22A Preamplifier
• VV5.4 Preamplifier

Multi Channel Preamplifiers

• VV6 / up to 12 Channels
• VV7 / 10 Channels
• VV8 / 8 Channels
• VV8.2 / up to 10 Channels

Power Amplifiers

• ES1 / Pass Zen
• ES2 / Aleph J
• ES3 / Hypex UcD400HG
• ES4 / XA30.5 & XA30.8
• ES5 / Aleph JXnp S

Vinyl

• #42 Heavy Mass Record Player
• Playback of Records
• 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

Loadspeakers

• 57er Quad ESL
  • Stacked Quads
  • Renovation 2011
  • Refurbishment 2020
  • Quad EHT Unit
  • Quad ESL AC Voltage Regenerator
• RiPol Subwoofer
• The RQM Loadspeaker System

Room Acoustics

• SE1 / SubDSP
• AA / Active Absorber
• Diffusers
• Reverberation Time
• Room Correction & Digital Crossover
• Playback Optimisation with Acourate

General Informations / Printed Circuit Boards

• Personal
  • About Myself
  • My Music
  • My Presentations
  • My Equipment
• 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.