MCM Electronics

Flush-mount Hanging Uni-directional Pre-amplified Microphone By Electronic Tech Services (SM1-HD) MCM Part #82-20795

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Flush-mount Hanging Uni-directional Pre-amplified Microphone

High performance, Unidirectional pre-amplified microphone for high ceiling and high background noise applications. Flush mount Pre-amplifier mounts on ceiling and microphone hangs 6-25' down. Built in limiter circuit automatically lowers the output level during loud sound intervals. Selectable lo-cut and hi-cut filters significantly reduce background noise. Flexible plastic plate mounts flush or on a single gang electrical box.

note: It is the responsibility of the installation company and end user to install this audio surveillance equipment in compliance with state and federal privacy laws. If you are unfamiliar with these laws, consult a qualified attorney

Specifications Top

Features:
  • Uni-directional 25' pickup pattern with reduced (-6db) sensitivity on all sides
  • Low noise MOSFET pre-amplifiers
  • 500Hz-13Khz Frequency response
  • Jumper selectable hi-cut/lo-cut filters limit frequency response to up to 900 to 6Khz significantly reducing background noise
  • Jumper selectable volume range: "Line level" (0db) or "Microphone level" (-30db)
  • Adjustable gain in both volume ranges
  • -54db sensitivity, 60db S/N ratio
  • Peak Limiter .5sec response time
  • 100 Ohm unbalanced output
  • 3 position Euro-style connector makes cable termination fast and clean
  • 6' cord with RCA end plug
  • Power: 12 to 24VDC @ 10mA
  • On-board voltage regulator and RFI filtering
  • Industrial temperature range: -40C to 105C
  • Dimensions Plate: L 4.5” W 2.7” H 1.0”
  • Dimensions Microphone: D .75" L 4.1"
  • Weight: 0.1lbs

  • Part Numbers
    MCM Part #:82-20795
    Electronic Tech Services Part #:SM1-HD
    Package Specifications & Dimensions
    Weight:0.375 lbs.
    Hazardous:No
    RoHS Comp:Yes
    Warranty:30 days
    Need to Return?
    Length:6 in.
    Width:4 in.
    Height:1 in.
    Shipping Information
    Extra Shipping Charge:No
    Drop Ship:No

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