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Stereo Input Modules RS5518/RS5519
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Input Stage
The module has two stereo inputs. A and B; the A input has a high-sensitivity XLR
microphone input, and a high impedance line level input while the B input has only
a line level input.
1
The MIC SENSITIVITY
adjusts the sensitivity of the XLR input.
2
The RNGE switch selects the lower sensitivity line-level input. The signal is
still taken from the input XLRs, with decreased sensitivity. unless jacks are inserted
into the Input A HI-Z sockets, when signal from the jacks is used instead.
3
The
48V
switch, which ha<; an integral red LED. applies 48v phantom power
to the input XLRs.
4 The B
switch, which has an integral green LED, selects a stereo signal from the
second pair of HI-Z input jacks, replacing the signal from the A input XLRs or jacks.
5 The LINE
pot controls sensitivity when the RNGE switch is depressed.
6
The PHASE
(0)
switch, when depressed, reverses the phase of the left channel
of the selected input.
7
Stereo second-order
high-pass and low-pass filters arc switched in by
depressing the FlL TER buttons. The Filter buttons have integral green LEDs. The
filter frequencies are:
Highpass filter
IOOHz Lowpass filter
8kHz.
Frequency Response of the Filters
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Stereo Control
8
The L
and
R
buttons provide mono summing facilities. Pressing the L button
only feeds the left signal to both
left
and right channels; pressing the R button only
feeds the right signal to both left and right channels. Pressing both L and R feeds
a
mono sum of left and right inputs to both channels: Each button has an integral green
LED.
9 The WIDTH
control allows continuous variation of the stereo image between
mono (anti-clockwise) through stereo (centre detent) to phase-enhanced stereo
(clockwise).
Stereo Input Module
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