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CONTROLS AND CONNECTIONS
8
2. STEREO INPUT SECTION
(15A) L (MONO) LINE INPUT
On stereo input channels 5-12 (SRM-12X) or 7-14 (SRM-
14X), the 1/4" line inputs are designed for stereo or mono
line-level signals such as those from keyboards, drum
machines, CD players, tape decks, or samplers. However,
these inputs can also be used as standard mono line inputs
by connecting the signal to the L (MONO) line in. This signal
will be routed equally to the BAL control and the left and right
outputs in the same way as the standard line input channels.
For the stereo line inputs the mono channel PAN (7) control is
replaced by the BAL (Balance) control. See also BAL CON-
TROL (16) below.
(15B) R LINE INPUT
When using channels 5-6, 7-8, 9-10,11-12 (SRM-12X) or 7-8,
9-10,11-12, 13-14 (SRM-14X) as stereo input channels, the
left signal should be connected to the L input and the right
signal to the R input. These signals will be routed to the AUX,
EQ and Channel fader controls equally and will retain their
stereo separation. The AUX, EQ, BAL, and Channel fader
controls all function the same as those on the mono input
channels.
When a stereo signal is input to a stereo input channel, these
controls will affect the left and right signals equally.
The Stereo Line Inputs jacks are 1/4" TRS balanced phone
jacks, Tip = positive (+), Ring = negative (-), Sleeve = ground.
The input signals to these jacks can be either balanced or
unbalanced.
(5) EQUALIZERS
The stereo channel EQ’s operate in the same manner as
those in the mono channels. The left and right signals will be
affected equally. A stereo equalizer is generally preferable
anyhow to using two mono equalizers when equalizing a
stereo signal as it avoids possible discrepancies between the
left and right settings.
(6) AUX SENDS
These are the same as for
the mono channels. Note that
a mono sum is taken from the
stereo input.
(16) BAL CONTROL
For a mono input to the L
(MONO) input the function of
the control is the same as the
PAN controls (7) of the mono
channels. However, when a
channel is run in stereo, this
control functions as a Balance
control, determining the rela-
tive Balance of the left and
right channel signals being
sent to the left and right
Master Mix buses. For exam-
ple, with the Balance control
turned fully clockwise, only
the right portion of the chan-
nel’s stereo signal will be
routed to the Master Mix.
(9) PFL SELECT SWITCH
(10) CHANNEL FADER
This has the same function as
for the mono channels. See
MONO INPUT SECTION.
(15A)
(15B)
(5)
(6)
(16)
(10)
(9)