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RDL New Products - InfoComm 2010 - Microphone Preamplifiers & Power Supplies
RDL New Products - InfoComm 2010 - Microphone Preamplifiers & Power Supplies
RDL, Radio Design Labs
RDL introduces a pair of 2 channel microphone preamplifiers and new high-efficiency, switching power supplies.
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RDL Introduces RU-ADA4D 2x4 or 1x8 Audio Distribution Amplifier

Article posted on Jan 28, 2012

RDL is pleased to introduce the new RU-ADA4D 2x4 or 1x8 Audio Distribution Amplifier. The RU-ADA4D replaces the popular RU-DA4D Audio Distribution Amplifier and offers significant enhancements over its predecessor. The RU-ADA4D is produced in a durable, all-metal, 1/3 rack width MAX RACK-UP enclosure and wiring connections are now made on detachable terminal blocks rather than screw terminals. Other improvements include redesigned front and rear panel graphics, separate input and output level trimmers, dual-LED VU metering, switch-selectable stereo/mono mode and exceptional low-noise and common-mode rejection performance that lead the industry. The RU-ADA4D maintains the tradition of excellent headroom, very low distortion, exceptional crosstalk isolation and wide flat frequency response. It provides exceptional audio performance for the most critical applications in a professional audio environment.

The RU-ADA4D features 2 line level inputs that accept either a balanced or unbalanced audio source. Each input is equipped with a front panel input gain trimmer and a corresponding dual-LED VU meter to make setting proper input gain for optimum signal-to-noise performance quick and easy. The unit may be operated in either a 2x4 stereo or 1x8 mono configuration via the MODE switch on the rear panel. The RU-ADA4D is powered from an RDL 24 Vdc power supply (available separately) or other 24 Vdc power source. Three RU-ADA4D modules may be mounted in an available RDL 1RU adapter to provide up to 24 audio outputs. The compact design, economical cost and superior audio clarity of the RUADA4D make it a great choice for audio distribution in both small and large commercial and studio applications.

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