Owner`s manual

Specifications are subject to change without notice
AtlasSound.com
1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: [phone] • FAX: [phone]
©2006 ATLAS SOUND LP Printed in U.S.A. 000106 ATS002187 RevA 01/06 PP
OWNER'S MANUAL
AA120/AA240 MIXER AMPLIFIER
12
27. Speaker Terminals
For loudspeaker connections, connect using the following information or proceed to the setup section
for typical wiring diagrams.
COM - Speaker common or negative connection
8Ω - Connect to direct coupled loudspeakers
25V - Connect to transformer coupled, 25V loudspeakers with a total load impedance of no less
than 5.2Ω for the AA120 or 2.6Ω for the AA240.
70V - Connect to transformer coupled, 70.7V loudspeakers with a total load impedance of no less
than 41.6Ω for the AA120 or 21Ω for the AA240.
100V - Connect to transformer coupled, 100V loudspeakers with a total load impedance of no less
than 83Ω for the AA120 or 41.6Ω for the AA240.
28. Power Cord
Connect the power cord to 120VAC only. Serious damage may result if accidentally connected to other
line voltages.
29. Unswitched Outlet
The 120VAC outlet is energized at all times when the AA120/AA240 power cord is connected to a live
duplex outlet. Useful for connecting Atlas work lights, etc. Keep the total power draw below 500W
(AA120) or 750W (AA240).
30. Circuit Breaker – Unswitched Outlet
The circuit breaker is designed to trip and shut down the AA120/AA240 "Unswitched Outlet" upon an
over current condition. After correcting the cause of the breaker tripping, reset the breaker by pushing
in on the tab.
VCA
In/Out
Bridge
Sel
Zone 2 Out
¡
1W 8
¡
600
Remote
Mute
Input 2
Trim
Input 3
Trim
Input 5
Input 6
Off
On
Off
On
Off
On
Off
On
Input 2
On
Off
Line
Mic
Line
Mic
Line
Mic
Sens
Input 1
Input 2Input 3
Input 4Input 5 Phantom
On
Off
Input 6
1
23
4
5
300mV
100mV
6
7
Master
Line
Mic
Mic
Tel/Line
Off
On
Mute Rcv
Input 6
Input 5
Input 4
Input 3
VCA
51
23
4
8
Low Cut
6
Input 1
Sens
Input 1
Trim
Input 4
Trim
Input 5
Trim
Zone 2
Level
B
A
Line Out
Speaker Output 120W
¡
100V70V25V8Com
++
G
+
R
L
Pre Out
Pwr In
Tape Out
Input 6
Input 4 Input 3 Input 2 Input 1
Unswitched Outlet
120V AC 60Hz
Max 500W
Outlet Breaker
125V AC 4A
Push Reset
G
+
G
+
G
+
G
+
+
G
120V AC 60Hz 300W
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CLASS 2 WIRING
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