OSD Audio SMP-250 User Manual
Page 7
7
The amplifier will not turn on.
There may be AC power problems. Check the AC circuit and plugs. Be sure the power
switch is turned on.
Audio cable to the amplifier is not connected properly. Check this and other system
component manuals to be sure of proper connections.
The cable is bad. Use another cable that you know is good.
L oose or frayed wires. Check for solid, clean connections on all speaker wire terminals.
The Protection Circuit cuts in
momentarily and then returns to normal.
The circuitry in the amplifier has detected that the amplifier is in danger of overheating.
Normally, this would happen infrequently and momentarily. If is persists, the amplifier
may need to have more adequate ventilation.
The Protection Circuit cuts in and does
not return to normal.
There may be a fault in the wiring, the speaker, or the amplifier. Turn the power switch
off and then on again. If the amplifier immediately returns to the protection mode, turn it
off and check all of the wiring, including all connections at the amplifier, at the
subwoofer, and any connections made to the terminals on a wall plate.
SPECIFICAT IONS
Type: Mono ClassAB dedicated subwoofer amplifier
Power Output: 150 watts
Crossover: Variable L ow Pass Crossover 35 Hz to 180Hz
Auto Off Time: 20 minutes
Auto On Sensitivity: 5 mV
In our attempt to constantly improve our products,features and specifications are subject to chang without notice.
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14” x 17 1/4” x 4” (356mm x 437mm x 102mm)
Dimensions D*W*H