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RDL 35 W Remote Mixer Amp

RDL 35 Watt Remote Mixer Amplifier - 4/8 Ohm Outputs

BTX part #: RDL-HDRA35U
Radio Design Labs #: HD-RA35U


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  • Description
  • Specs
  • Docs/Video
  • The HD-RA35U is a four input audio mixer amplifier for systems demanding the broadest range of features and the highest energy efficiency. Two output power amplifier zones, 35 watts (Zone 1) and 4 watts (Zone 2), are driven from high-efficiency Class D amplifier stages. The mixer and amplifier sections all normally shut down (standby “sleep” mode) when audio is absent and automatically turn on when needed. A paging source is normally connected to Input 1. The Zone 1 amplifier output level for inputs 2, 3 and 4 is VCA controlled using various optional RDL remote controls. This allows the user controls to be conveniently wall mounted without running audio to and from the remote control location. The Zone 1 output drives 4 ohm or 8 ohm speakers. The output impedance is switch-selectable on the rear panel. The Zone 2 amplifier output drives an 8 ohm speaker and/or 600 ohm telephone equipment.

  • Specifications

    • Four audio inputs
    • Paging input with front-panel volume control
    • Three inputs with VCA volume control adjusted using RDL remote control
    • Bass and Treble tone controls
    • Designed for background music with paging and music-on-hold
    • Manual or automatic (VOX) priority ducking
    • Balanced inputs and amplified outputs on detachable terminal blocks
    • Unbalanced inputs and outputs on RCA jacks
    • Includes power supply
    • Automatic sleep mode meets strictest energy saving standards
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