• Reference Information
  • Digital Audio Primer
  • Professional MIDI Guide
  • MIDI Protocol Guide
  • Vintage Microphone Information
  • Legacy Products
  • PDFs and Other Downloads

• Professional Audio Services
  • Studio Installations
  • Custom Design and Consultancy
  • Recording and Mastering
  • Tape Baking and Recovery
  • Media Transfer and Processing

• Professional Audio Products
  • FullPower™ Power Supplies
  • Modular Audio & Synthesizer Systems
  • Professional Audio Cables

• Professional MIDI Products
  • MIDI Long Haul Converters
  • MIDI Merging and Filtering
  • MIDI Routing Matrices
  • Custom MIDI Devices

• Special Offers

Digital Audio Primer

Casting some light on a black art.

Vintage Microphone Information Table

Which cable goes with which mic, and much more.

Professional MIDI Guide

Everything you were afraid to ask about using MIDI in a studio.

MIDI Protocol Guide

A clear description, with sysex ID links to manufacturers' websites.

MIDI Note Numbers

A handy PDF chart for printing out (A4 format)

Legacy Products Index

Information about some of our past products.

Downloads Index

A complete index of downloadable files on this site, including product documentation and reference materials.