in relation to the ceramic filters used for SSB generation and
distortion elimination. In more general terms, this allows for
more or less bass response from audio when the processor is
clipping. The result is the ability to best tailor the total
response of the transmitting system so your audio will sound
most like your natural voice. The optimum setting for this
control is best determined by having another station listen to
your audio and listening to IN/OUT comparisons when the
processor is taken in and out of line. Turning the PASSBAND
control clockwise results in more bass response; counter-
clockwise for less bass response. The PASSBAND control
has no effect on the amount of clipping. Amount of clipping is
determined with the PROC GAIN control.
NOTES
You may find the article “Ordinary And Processed Speech
In S.S.B. Application” written by Harold G. Collins, W6JES,
in the January 1969 QST magazine to be instructive about the
basic theory and use of RF speech processing. A copy of this
article is provided packed separately from this manual with
your speech processor.
Part # 74425
Revision 1
January 2009
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