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2.9.5 Telco Mix Option Switch
The Monaural Output/Telco Mix Module is equipped with two bandpass filters for the Telco-1 and
Telco-2 outputs used with telephone hybrids. The filters are three-pole, 18 dB/octave designs with a
bandpass of 300 Hz to 3 kHz. The filters limit the frequency response to the range typically within the
null capabilities of professional-grade hybrid systems. The filters may not be required, nor desirable,
for non-hybrid mix-minus applications, thus each filter is equipped with its own bypass switch.
NOTE: This option switch is also present on the Monaural Output/Telco Mix/Send And Return Module
(PR&E #99-266).
PACIFIC RESEARCH & ENGINEERING
S601, Audio Assignment Selector
#
Output
UP: Filter inserted.
1
Telco-1
DOWN: Filter bypassed.
UP: Filter inserted.
2
Telco-2
DOWN: Filter bypassed.
47
BMX SERIES III CONSOLE
Function
REVISION C
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