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Rear Panel:
6: FUSE HOLDER: The amplifier is protected from
damages caused by a faulty AC power source or other
problems. If the fuse blows, replace it ONLY with the
same size and type as indicated. If the fuse blows
repeatedly, check the AC source: if it’s okay, contact
your Crate dealer for service information.
7: AC LINE IN: This heavy duty power cord must be
connected to a properly grounded AC outlet of the
proper voltage for the amplifier to operate. IN ORDER
TO AVOID THE POSSIBLIITY OF ELECTRIC
SHOCK, DO NOT REMOVE OR BYPASS THE
GROUND PRONG OF THE POWER CORD!
8: SPEAKER OUTPUT JACKS: Use these jacks to con-
nect the amplifier to your speakers when using the
amplifier in the stereo or slave mode. The minimum
load for these jacks is 4 ohms (total). NOTE: These
jacks are NOT used in Mono Bridge mode!
9: MONO BRIDGE OUTPUT: Use this jack to con-
nect the amplifier to your speakers when using the
amplifier in the Mono Bridge mode. The minimum
load for this jack is 8 ohms (total). NOTE: This jack is
NOT used in Stereo or Slave mode!
10: MONO BRIDGE/STEREO SWITCH: This switch
selects the operating mode of the amplifier. In the
"out" position the amplifier is in the Stereo Mode; with
the switch in the "in" position the amplifier is in the
Mono Mode. In the Mono Mode, Channel 1 func-
tions as the input channel; Channel 2 input and Level
control will be disconnected.
11: DAMPING SWITCH: Operational only in the
Stereo mode, this switch varies the performance of the
amplifier to best suit its application. In the High
Damping position (switch IN) the amplifier is best
suited for PA or music reproduction. In the Low
Damping position (switch OUT) the amp is best suit-
ed for use as a guitar or bass power amplifier.
12,13: INPUT JACKS: These jacks accept unbal-
anced line level signal sources by means of cables fit-
ted with standard 1/4" phone plugs.
14,15: PARALLEL OUTPUT JACKS: These jacks
allow connection to additional power amplifiers,
slave operation of both channels, etc., by providing a
parallel connection to the input jacks. (This applied
to both modes of operation – Stereo and Mono
Bridge. In the Mono Bridge mode, only the Channel
1 Output jack will carry a signal.)
SPA-200 Rack Mount Power Amplifier