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Follow the Quick Start guide on page 6
for setting the LEVEL control. For most ap-
plications, it will be in the NORMAL
position (12 o’clock) . If you have a particu-
larly high line-level signal connected to the
SRM350, you may need to turn the control
down to the 9 o’clock position. If you have
a low line-level or mic-level signal con-
nected, you may need to turn the LEVEL
control up to the 3 o’clock position.
MIC/LINE Switch
Leave this switch out when connecting a
line-level signal to the INPUT connector
(from a mixer, graphic EQ, or other line-
level signal source).
Push this switch in when connecting a
microphone to the INPUT connector. Since
a microphone produces a much smaller sig-
nal than a line-level signal, this provides an
additional 40 dB of gain to boost the micro-
phone signal to a line level.
SIGNAL Indicator
This LED illuminates whenever there is
a signal present at the INPUT connector on
the rear panel. It senses the signal just after
the LEVEL control, so if the LEVEL control
is turned down, the SIGNAL indicator
won’t light.
LIMIT Indicator
When the signal levels at the amplifier
outputs approach clipping, a soft limiting
circuit is activated that reduces the input
signal. The LIMIT LED lights whenever the
limit circuit is active.
It’s okay for the LIMIT indicator to blink
occasionally, but if it blinks frequently or
continuously, either turn down the signal
level at the mixer or other signal source, or
turn down the SRM350’s LEVEL control.
Wear hearing protection if
you are close to the
SRM350 playing at high
levels.
INPUT Connector
This is a combination female XLR-type
and 1/4˝ TRS connector that accepts a bal-
anced or unbalanced mic- or line-level signal.
THRU Connector
This is a male XLR-type connector that
can be used to daisy-chain the input signal
to another speaker.
The signal at this point is after the MIC/
LINE switch but before the LEVEL control.
If you have a microphone connected to the
first SRM350 and you have the MIC/LINE
switch pushed in, the signal at the THRU
jack is boosted 40 dB to a line-level, so leave
the MIC/LINE switch out on the next
SRM350.
ACCESSORY Plate
This removable plate provides access to
install future accessory modules.
~120 VAC 60Hz
2.50A 230VA
POWER
INPUT
THRU
PARALLEL
DESIGNED BY MACKOIDS IN WOODINVILLE, WA, USA
AND REGGIO EMILIA, ITALY. MANUFACTURED IN ITALY
LIMIT
SIGNAL
12k /AIR100Hz
CONTOUR
(+3dB)
ACTIVE SOUND REINFORCEMENT SYSTEM
ON
SRM350
LINE
MIC
LEVEL
OO
M
I
C
G
A
I
N
+45
+5dB
NORMAL
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER.
NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.
CAUTION