MCM Electronics

Microphone Compressor By Radio Design Labs (EZ-MCP1) MCM Part #555-18838

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MSRP: $205.09
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Microphone Compressor

The EZ-MCP1 is an in-line microphone compressor that produces consistent audio levels despite wide variations (up to 30 dB) from the microphone. It is installed between a dynamic or condenser microphone and a mic-level mixer or amplifier input. The only setup required is a front-panel level trimmer that is adjusted during normal speech until the compression LED just begins to flash. A rear-panel output level trimmer is provided although it is typically left in the normal default position.

Specifications Top

Phantom voltage (24 V) is automatically switched on when the EZ-MCP1 output is connected to a mic jack that provides phantom voltage. The EZ-MCP1 improves sound quality and intelligibility by producing consistent audio levels and controlling overloads that produce distortion and clipping. It is used for recording, paging and public address in houses of worship, restaurants, clubs, meeting rooms, educational facilities, conference rooms and commercial sound systems.

  • Produces Consistent Levels from Any Microphone
  • Installs Between Microphone and Mixer/Amplifier
  • Improves Intelligibility with Fast Automatic Level Control
  • Controls Overloads that Cause Distortion and Clipping
  • Front-Panel Set-Up Trimmer with LED Indicator
  • Automatic Phantom Voltage Switching with LED
  • XLR Input and Output

Input: Mic level, -60 to -30 dBu nominal
Input Impedance: >1 kO balanced
Input / Output Connectors: XLR
LEVEL Adjustment: Single turn audio taper (front panel)
Minimum Input Level:
. -60 dBu (to cross compressor threshold)@ max gain;
. -30 dBu (to cross compressor threshold) @ min gain
Maximum Input Level: 0 dBu @min gain
Output: Mic level, -55 dBu to -30 dBu, adjustable; NORMAL: -45 dBu
Output Impedance: 150 O nominal, balanced
Output Level Adjustment: Single turn audio taper (rear panel)
Frequency Response: 50 Hz to 20 kHz (+/- 0.5 dB)
THD+N: < 0.5% (50 Hz to 20 kHz, at compressor threshold)
Compression: 30 dB, automatic adjusting attack and release times
Noise: <-63 dB (below normal output level at comp. threshold, -56dBu input)
CMRR: > 55 dB (50 Hz to 120 Hz)
Phantom: 24 V (IEC 1938: 1996-12), present when phantom detected at module output
Indicators (3):
. Red LED: COMPRESSION, indicates compressor activity;
. Green LED: PHANTOM, indicates phantom voltage present;
24 Vdc power supply current: 55 mA (idle), 60 mA (max.), 70 mA (max. with phantom)
Power supply input voltage: 100 to 240 VAC
Warranty: 3 Years; contact RDL technical support department for assistance
Case dimensions: 2.9” (7.4 cm)W x 5” (7.6 cm)D
Mounting size: 1/6 rack width

Part Numbers
MCM Part #:555-18838
Radio Design Labs Part #:EZ-MCP1
Package Specifications & Dimensions
Weight:0.9 lbs.
RoHS Comp:Yes
Warranty:1095 days
Need to Return?
Length:10 in.
Width:7.5 in.
Height:2.5 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No

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