SM-500 • 17
AC FUSE
7 AMP
SLO BLO
120 VOLTS
50/60 HZ
840 WATTS
FUSE
LEFT SPEAKER
RIGHT SPEAKER
L SPKR
FUSE
8 AMP
R SPKR
FUSE
8 AMP
SPEAKER OUTPUTS
250W X2
STEREO
1
2
1
2
BRIDGE
400W MONO
FUSE
FUSE
EFFECTS
STEREO
EFFECTS RETURN
L
EFFECTS
SEND
R
MONO
BALANCED OUT
TUNER OUT
XLR PAD
PULL GND
LIFT
MIN
LINE
MAX
DIRECT
SM-500 BRIDGE MODE OPERATION DIAGRAM
Power Amp Assign Switch
set to “Bridge Mono” position.
Center Bridge/Mono Speakon
Output Jack must be used.
Note: When the power amp assign switch is set to the Bridge/Mono position, only the center Speakon output
jack may be used. The SM-500 delivers a minimum of 400 Watts RMS into a 8 ohm load. Please make sure
that your speaker system is capable of handling this amount of power.
Speaker 1 = 16 Ohms
Speaker 2 = 16 Ohms
This example shows two 16 ohm speaker enclosures connected in parallel for a total load of 8
ohms. This is the minimum impedance that the SM-500 is designed to drive safely in the Bridge
Mode. Connecting multiple enclosures that have a combined total impedance of less than 8
ohms may result in damage to your amplifier.
The following cabinet configurations may be used:
• one 8 ohm enclosure
• two 16 ohm enclosures
SM-500 Power Output Ratings
Bridge/Mono Mode
400 Watts @ 8 Ohms
250 Watts @ 16 Ohms
(minimum load = 8 Ohms)
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