West Mountain CLRdsp - Clearspeech DSP Noise Reducer - 58407-949

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ClearSpeech DSP Noise Reduction Processor

  • Speaker and headphone amplifier with ClearSpeech® adaptive DSP noise reduction for voice and CW
  • Recognizes intermittent nature of CW and allows it to pass noise free
  • Continuously adjustable noise reduction
  • Contains 11 watt (into 4 ohms) power amplifier
  • Sturdy aluminum case - Ideal for mobile operation as well as home station
  • Powerpole® plugs into any 12V supply
  • Plugs into the speaker or headphone output typically found on Amateur transceivers
  • Low-level input for connection to headphone jack typically found on portable Shortwave receivers
  • Works with stereo (dual mono) or mono headphones. Volume control also adjusts headphone level
  • Line-level output for recording (e.g. using a computer sound card)
  • 1/8 inch phone jack on rear can drive external 8 or 4 ohm loudspeaker
  • On-Off switch with green indicator LED
  • RED LED flashes to indicate "clipping"
  • Aluminum, powder coat painted

  • 1.25" H x 4.25" W x 6" D

Power Requirements
  • 9 to 16 Vdc; 1.1 A typical before onset of clipping

Audio Input
  • High impedance, 0.01 VAC

Voltage Gain
  • 46 dB

Audio Output Power
  • 11 watts RMS maximum into 4 ohms @ 13.8 VDC

Maximum Audio Ouput Voltage
  • 7.75 Vrms

Input Clipping Level
  • 0.04 volts RMS

Frequency Response (filter enabled)
  • 300 Hz to 3400 Hz

Frequency Response (filter disabled)
  • 300 Hz to 12000 Hz

Noise Reduction Characteristics
  • Adaptive, single tone greater than 50 dB
1 - CLRdsp ClearSpeech® DSP Noise Reduction Processor
1 - 6ft power cable with Powerpole® connectors
2 - 1/8" Audio Cables, 6 ft.
1 - Owner's Manual
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