Filter
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OFF
ON
A/C LINE FUSE
SLO BLO
8 AMP
120 VOLTS
50/60 HZ
960 WATTS
LEFT SPEAKER
RIGHT SPEAKER
L SPKR
FUSE
10 AMP
R SPKR
FUSE
10 AMP
SPEAKER OUTPUTS
350W X2
STEREO
1
2
1
2
EFFECTS
BALANCED
OUT
STEREO
TO
TUNER
INPUT
X OVER
OUT
RETURNS
LEFT
XLR PAD
SEND
RIGHT
MONO
HI
LOW
PULL GND LIFT
MIN
LINE
MAX
DIRECT
BRIDGE MONO
800W
FUSE
FUSE
FUSE
SM-900 Bi-Amp Operation Diagram
Power Amp Assign Switch
set to “Stereo” position.
For Bi-Amp operation, the power amp assign switch must be set to the “Stereo” position,
only the right and left Speakon output jacks or left and right 1/4” output jacks may be used.
Speaker 1
Midrange/Tweeters
(High Frequencies)
Speaker 2
Woofers
(Low Frequencies)
Shielded Patch Cable from Low X-Over Output
to Right Stereo Effects Return
Shielded Patch Cable from High X-Over Output
to Left Stereo Effects Return
Note: An effects unit may be inserted between the X-Over Outputs and the
Effects Return Jacks. For instance, it is a popular practice to insert a
Chorus unit between the Hi X-Over Output and the Left Stereo Effects
Return, so that only the high frequencies are chorused while the low
frequencies remain tight and dry. In this manner, the player can get the
desired special effect without “muddying up” his/her tone.
SM-900 USER GUIDE • 19