ETS SM1-PAP Microphone Pre-amplifier with Universal Power input

Part Number: SM1-PAP
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  • Weatherproof : No
  • Audio Product Type : Surveillance Microphones


ETS SM1-PAP Microphone Pre-amplifier with Universal Power input

The SM1-PAP is a high performance microphone pre-amplifier designed to be used with any of our ML1 series microphones. It features a 12-60v DC or 9-42v AC power input, adjustable hi and lo cut filters and an adjustable automatic gain control. The output of the SM1-PAP is designed to be connected directly to ETS base stations, interfaces and other equipment.

Key Features:

  • Low noise MOSFET pre-amplifier.
  • 500Hz-16Khz Frequency response (hi-cut and lo-cut off)
  • Adjustable lo-cut filter: (500hz to 1Khz)
  • Adjustable hi-cut filter: (5Khz to16Kz)
  • Adjustable automatic gain control. (compression range 1:1-10:1).
  • Switch selectable volume range: "Line level" (0db) or "Microphone level" (-30db)
  • Adjustable output level (post AGC).
  • 100 Ohm unbalanced output.
  • Treble boost pre-emphasis.
  • 3 position Euro-style connector makes cable termination fast and clean.
  • Power: 12-60VDC or 9-42VAC @15mA.
  • On-board voltage regulators and RFI filtering.
  • Temperature range -25C to 85C.
  • Black plastic ABS housing.
  • Dimensions: L 3.3 x W 2.0 x H 1.6
  • Weight .05lbs
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Additional Information

Accessory Type:
Audio Product Type:
Surveillance Microphones
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