We designed the D&R Airmate-8 USB to fulfil the requirements for a high grade radio production or on-air broadcast mixer.





The D&R Airmate-8 USB is a professional radio production mixer designed to meet the needs of self-operating production DJs. It comes with various features and specifications that make it a reliable tool for radio production. Here’s a breakdown of its key features:

  1. Design and Construction:
    • Heavy-duty 19″ rack-mounted RF shielded chassis.
    • Eight vertical triple input modules for flexibility.
  2. Input Channels:
    • Six input channels with balanced microphone inputs (XLR).
    • Two stereo line-level inputs on Cinch (RCA) connectors.
    • Mic inputs feature a 48-volt phantom power supply.
    • Insert for signal processors on each mic input.
    • Line B inputs can be converted to a phono channel with an optional stereo R.I.A.A. equalized phono pre-amp.
  3. Controls:
    • Stereo faders, stereo Aux send and return.
    • Monitor master with “follow phones.”
    • Phones output with a split control function.
    • Balance control to adjust volume between main output and stereo Cue signal.
  4. Radio On-air/Production Section:
    • Self-op switching to cut control room level when the DJ mic is active.
    • Clean feed output for driving an external Telephone Hybrid.
    • Special announcer output with the option to follow the main output or selected cue signal.
  5. Talkback:
    • Large talkback switch activates the built-in electret talkback microphone.
    • Communication with Clean-feed output, Aux output, and/or Announcer output.
  6. USB Connectivity:
    • Fully compliant with USB 2.0 playback and record mode.
    • HID functions for Volume/Mute control.
  7. Telephone Hybrids:
    • RJ-11 connectors for phone line/dialer.
    • Mix Minus rejection at 1kHz: -60dB.
  8. Outputs:
    • Left/Right: +4 dBu balanced XLR.
    • Monitor/Aux: +4 dBu unbalanced on Cinch.
    • Cleanfeed/Announcer: +4 dBu on Jacks.
    • Tape output: -10 dBV unbalanced on Cinch.
    • Headphone and Announcer outputs support 16-600 Ohm headphones.
  9. Equalizer:
    • High: ±12 dB at 12kHz shelving.
    • Mid: ±12 dB at 1 kHz bell curve.
    • Low: ±12 dB at 60 Hz bell curve.
  10. Options:
    • AES/EBU digital stereo output and AES digital 2-track input.
    • RIAA pre-amp on line input B for phono cartridges (optional).
  11. Overall Performance:
    • Frequency response: 10 – 60,000Hz.
    • Distortion: < 0.009% max at 1 kHz.
    • Reed relay start switch.
    • Ledbars: 21 segment.
    • Power Consumption: 30VA.