Atlas Sound CP700 - Manual (Page 10)

Specifications are subject to change without notice
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OWNER'S MANUAL
CP700 COMMERCIAL
POWER AMPLIFIER
10
Bridge Mono Configuration (Direct Coupled)
If higher power levels are required, the Atlas CP700 can be used in Bridge Mono mode, which utilizes
both channels of the amp across the speaker load.
With the CP700 turned OFF, move the rear mounted selector switch to the "Bridge" position and connect
the input signal to channel one. Connect your speaker load (4 and 8 Ohm only) across the "+" terminals of
both channels, with channel one being positive (Figure 7).
Caution! A high voltage potential exists across the two "+" speaker terminals when operating in
any Bridge Mode application!
Figure 7
25V, 70.7V, and 100V Transformer Output Wiring
For transformer coupled operation into high impedance loads, connect your loudspeaker leads to the
barrier strip connections labeled "Audio Transformer." Connect the speaker home runs as follows:
• 25V - Connect the positive speaker lead to the terminal labeled "100" and the negative speaker
lead to the terminal labeled "70" (Figure 8).
• 70.7V - Connect the positive speaker lead to the terminal labeled "70" and the negative speaker
lead to the terminal labeled "0" (Figure 9).
• 100V - Connect the positive speaker lead to the terminal labeled "100" and the negative speaker
lead to the terminal labeled "0" (Figure 10).
• Refer to page 6 of this manual to the paragraph entitled "Calculating Constant Voltage Loads" to
determine how many transformer coupled loudspeakers you can drive with the Atlas CP700.
CH-1 CH-1
- 100V +
- +
70V
- +
25V
8, 4, and 2 Ohms AUDIO TRANSFORMER
D I R . O U T P U T I S O L . O U T P U T
- + 70 100 0
BRIDGE
MONO
+
CH-2 CH-2
- 100V +
- +
70V
- +
25V
8, 4, and 2 Ohms AUDIO TRANSFORMER
D I R . O U T P U T I S O L . O U T P U T
- + 70 100 0
BRIDGE
MONO
-
To loudspeakers,
4 Ohm minimum
Ensure the Stereo,
Parallel, and Bridge
Switch is set to "Bridge."
STEREO
PARALLEL BRIDGE