ELECTRO-VOICE RE Series RE90B - microphone

Mfg. Part: RE90B | CDW Part: 3329105 | UNSPSC: 52161520
  • Microphone
  • black
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Product Overview

Main Features
  • Microphone
  • black
The Electro-Voice RE90B Series is a part of the Architectural Microphone Series. The RE90B Series is a full-range condenser microphone designed to be used for surface mounted applications such as distance learning centers, video conferencing systems, teleconferencing systems, and sound reinforcements. The polar pattern of the RE90B Series is half-cardioid (half-space cardioid) to promote good gain-before- feedback and suppress ambient noise.

All boundary type microphones operated on a flat surface are subject to an increase in sensitivity of the microphone with increasing frequency; this is called the baffle effect. To counteract this effect, the RE90B Series has been designed with internal equalization to give the RE90B Series a flat sensitivity response. The RE90B Series is designed to be powered by an external 9-52 V dc phantom power supply.

The RE90B Series microphone is encased in a heavy-duty zinc die cast body protected by a strong, perforated steel screen. The body of the microphone is designed to provide two distinctive functions. First, the case is electronically isolated from the surface that is placed on by virtue of the rubber friction pad and the internal fiber washers when permanently mounted. Second, the microphone's miniature cable can be routed directly from the rear of the microphone, or the cable may be directed from the bottom of the microphone though the tabletop without exposing the microphone cable. The microphone cable is connected to the microphone by a pilfer-resistant internal terminal block. For permanent installation, a drilling template is provided.

The RE90B Series' body is designed as a low-profile housing. The microphones are shock mounted through a combination of a heavy die-cast case, a rubber non-slip bottom pad, and internal padding of the microphone and printed circuit board. This combination of isolation minimizes the mechanical coupling of surface vibrations to the microphone.

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