Atlas CP400 Manuale d'uso - Pagina 4
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CP400 & CP700 COMMERCIAL
POWER AMPLIFIER
FRONT PANEL DESCRIPTION
2
3
1. Power Switch
This rocker switch supplies power to the amplifier. A red LED located above the power
CH-1
switch will illuminate when the amplifier is switched on.
CP700
D I R . O U T P U T
Commercial
Power
Amplifier
Per Channel
Output Power
400 W / 4 Ohms
2. Protect LED Indicators
350 W / 70.7 V
CH-2
D I R . O U T P U T
The amplifier features several types of protection circuitry to prevent damage during
AC100V-50/60Hz
AC120V-50/60Hz
AC230V-50/60Hz
AC240V-50/60Hz
power-up or fault conditions. If any of these LEDs illuminate, one of the various protection features is
safeguarding the amplifier. The output relays will disconnect the speaker loads when the protection
POWER
CAUTION
circuitry detects a fault condition.
TO REDUCE THE RISK OF ELECTRIC SHOCK
DO NOT REMOVE COVER (OR BACK)
NO USER SERVICEABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL
• Loudspeaker Protection - When power is first applied, the speaker protection relay is
open, preventing transients from reaching the loudspeakers. After the internal power supplies
have stabilized, the relay will close, connecting the amplifier output to the load. The yellow
Protect LEDs will illuminate during this power-up process.
• Thermal Protection - The amplifier protection circuitry monitors itself for excessive internal
operating temperatures. In the event this circuitry detects abnormal thermal conditions
(blocked cooling fan or high ambient temperatures), the speaker relay will disconnect the
speaker load from the amplifier. Once the internal operating temperature drops back to a safe
level, the relay will close, reconnecting the speaker load to the amplifier.
• Short Circuit Protection - The yellow Protect LEDs will illuminate should the amplifier detect
a short circuit on the attached speaker load or if the load impedance is too low. When this
condition is detected, the internal speaker relays will open up, disconnecting the load from
the amplifier. The protection circuitry will stay activated until the fault is cleared.
Note: Once the specific fault has been corrected, the power may have to be cycled to reset the
protection circuitry.
3. Signal "Status" LED Indicator
The green "Status" LEDs will illuminate once the input signal has reached -26 dBV or higher.
1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. •
©2008 ATLAS SOUND LP
PROTECT
PROTECT
LIMIT
LIMIT
SIGNAL
SIGNAL
CH-1
CH-2
4
CH-1
8, 4, and 2 Ohms
AUDIO TRANSFORMER
+
-
0
70
100
I S O L . O U T P U T
-
+
-
+
+
70V
25V
BRIDGE
MONO
- 100V +
CH-2
8, 4, and 2 Ohms
AUDIO TRANSFORMER
+
-
0
70
100
I S O L . O U T P U T
-
+
-
+
-
70V
25V
BRIDGE
MONO
- 100V +
MADE IN CHINA
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
AVIS RISQUE DE CHOC ELECTRIQUE
NE PAS OUVRIR
Specifications are subject to change without notice
AtlasSound.com
Printed in U.S.A.
OWNER'S MANUAL
CP700
POWER
Commercial Power Amplifier
IN
AMPLIFIER INPUTS
CH-2
CH-1
+
-
GND
-
+
THRU
LEVEL
LEVEL
GND
STEREO
PARALLEL
BRIDGE
1601 Jack McKay Blvd., Ennis, TX 75119
(800) 876-3333 AtlasSound.com
TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435
ATS002102 RevD 2/08
1
Figure 1
IN
THRU
PP
4