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[Amps] FW: IMD and Speech Clippers

To: Amplifier Mailing List <>
Subject: [Amps] FW: IMD and Speech Clippers
From: Gene May <>
Date: Thu, 19 Jan 2012 12:30:37 -0500
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Subject: IMD and Speech Clippers
Date: Wed, 18 Jan 2012 20:57:45 -0500

I recently misstated how the TenTec Speech Processor works, sorry.  Here it is 
more correctly.  The device, their model 715, listing at 249 dollars, is 
connected between one's mike and transceiver.  It functions by mixing the audio 
up to its own internal IF of 455KHz, filtering out the unwanted sideband, 
clipping it (level is adjustable), filtering it again to remove harmonics and 
mixing it back down to audio, which then goes into the transceiver's mike 
input.  I have one and like it, getting nice reports of audio quality from 
folks who are familiar with my voice face to face.  TenTec offers connecting 
cables for Yaesu, ICOM, Kenwood/Elecraft.
Gene May
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