Model:
2147390145, CMA-100 Countermeasures Amplifier, REI-CMA-100, 1,97
SKU:
REI-CMA-100
Availability:
In Stock
$1,978.00
  0 reviews

High Gain Audio Amplifier

CMA-100 Countermeasures Amplifier is a high used to detect and identify certain types of surveillance devices attached building wiring such as telephone wiring, LAN server systems, AC power, alarm wire. The CMA-100 functions employ sophisticated automatic control circuit that superior most amplifiers.

Efficiency: large signals can be monitored with minimal distortions adjustable bias voltage activate are or current sensitive

Usability: balanced input impedance withstand being live power lines voltages up 250V

Portability: contains built-in AC/DC digital voltmeter, select-able filters, wide dynamic range

Features

  • Balanced 50K ohm, 250V, provides 115dB gain
  • Unique AGC has 105 dB control
  • Signals 31V peak-peak still distortions
  • Manual set 0, 25, 50, 75, 100 dB
  • Filters positioned FLAT, LOW PASS, BAND PASS.

Applications

  • Technical (TSCM)
  • Counter Surveillance
  • Audio Amplification
  • Wiring Testing
  • Eavesdropping Detection
  • Intelligence Protection
  • Executive Protection
  • Surveillance Equipment Detection
  • Electronic Detection

Specifications

INPUT IMPEDANCE

50k Ω balanced
Common mode rejection: >75dB
Maximum usable input: 31 Vp-p
Preamp auto attenuator: 0 -40 (with overload warning LED)

BIAS CONTROL

0 +/-14.5V DC, 5mA max (over protected, reduced 3.6k ohms when active)

MAXIMUM VOLTAGE

250V AC/DC
Leakage resistance case: >10M Ω

AUTOMATIC CONTROL

Manual control: dB
Headphone - 15 dB
Maximum system gain: 115 Manual mode, 120 in mode

DIGITAL VOLTMETER

3.5 Digit, zero, polarity, +/-199.9V AC/DC

FREQUENCY RESPONSE

No filtering: 25 Hz 44Khz
High pass filter: 320Hz 44kHz
Low 25Hz 3.2kHz
Band 3.2kHz

AUDIO

Headphone output
Line-out output: 600 Ω

POWER

Power on/low battery LED (LED off @ 6.0V)
Battery: 9V Alkaline (5 30 hours typical run time)

MECHANICAL

Unit dimensions: 7.3 x 2.75 1.75 (185.4 mm 69.8 44.5 mm)
Unit weight: 12.1 oz (343 g)
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