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AtlasSound.com
1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435
©2008 ATLAS SOUND LP Printed in U.S.A. ATS002102 RevD 2/08 PP
OWNER'S MANUAL
CP400 & CP700 COMMERCIAL
POWER AMPLIFIER
10
Bridge Mono Configuration (Direct Coupled)
If higher power levels are required, the Atlas amplier can be used in Bridge Mono mode, which utilizes
both channels of the amp across the speaker load.
With the amplier 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 Ω only) across the “+” terminals of
both channels, with channel 1 being positive and channel 2 being negative (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).
Note: 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 amplier.
++- -GND
CH-2 CH-1
AMPLIFIER INPUTS
THRU
IN
THRU
IN
CAUTION
AC100V-50/60Hz
AC120V-50/60Hz
AC230V-50/60Hz
AC240V-50/60Hz
TO REDUCE THE RISK OF ELECTRIC SHOCK
DO NOT REMOVE COVER (OR BACK)
NO USER SERVICEABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL
POWER
CP700
Commercial
Power
Amplifier
Per Channel
Output Power
400 W / 4 Ohms
350 W / 70.7 V
PROTECT
LIMIT
SIGNAL
CH-1
PROTECT
POWER
LIMIT
SIGNAL
CH-2
CP700
Commercial Power Amplifier
LEVEL
-
0
0
5
6
4
0
3
2
2
6
2
2
1
8
1
6
1
4
1
2
1
0
8
6
4
2
0
LEVEL
-
0
0
5
6
4
0
3
2
2
6
2
2
1
8
1
6
1
4
1
2
1
0
8
6
4
2
0
1601 Jack McKay Blvd., Ennis, TX 75119
(800) 876-3333 AtlasSound.com
STEREO
PA RALLELBRIDGE
GND
CH-1 CH-1
- 100V +
-+
70V
-+
25V
8, 4, and 2 Ohms
AUDIO TRANSFORMER
DIR. OUTPUT ISOL. OUTPUT
-+70 1000
BRIDGE
MONO
+
CH-2 CH-2
- 100V +
-+
70V
-+
25V
8, 4, and 2 Ohms
AUDIO TRANSFORMER
DIR. OUTPUT ISOL. OUTPUT
-+70 1000
BRIDGE
MONO
-
AVIS RISQUE DE CHOC ELECTRIQUE
NE PAS OUVRIR
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
MADE IN CHINA
To loudspeakers,
4 Ω minimum
Switch set
to “Bridge”