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Atlas AA240 Owner's Manual Page 11

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– 11 – AtlasSound.com
Specifications are subject to change without notice.
Owner’s Manual AA240 Mixer Amplifier
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
25. Tape Out A/B
Line level mono signals are available at this jack for connection to recording devices. The signal available here is PRE tone control
and low cut filter and comes from the internal mix bus.
26. Pre Out
The PRE OUT connector has POST tone control signals available to drive another power amp or external audio devices. Use in con-
junction with the AMP IN connector, an effects loop can be created by connecting the PRE OUT jack to a device such as an equal-
izer then back out to the AMP IN connector. See the connection diagram in the setup section of this manual.
27. Pwr In
The AMP IN connector is useful for converting the AA240 into a slave amp. When a line level signal is connected to this input, the
internal connection between the preamp and internal power amp is broken. The AA240 is now just a power amplifier, amplifying
audio signals applied to this connector.
28. 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
4Ω - Connect to direct coupled loudspeakers
25V - Connect to transformer coupled, 25V loudspeakers with a total load impedance of no less than 2.6Ω.
70.7V - Connect to transformer coupled, 70.7V loudspeakers with a total load impedance of no less than 21Ω.
100V - Connect to transformer coupled, 100V loudspeakers with a total load impedance of no less than 41.6Ω.
29. Power Cord
Connect the power cord to 120VAC only. Serious damage may result if accidentally connected to other line voltages.
30. Unswitched Outlet
The 120VAC outlet is energized at all times when the AA240 power cord is connected to a live duplex outlet. Useful for connecting
Atlas work lights, etc. Keep the total power draw below 750W.
31. Circuit Breaker – Unswitched Outlet
The circuit breaker is designed to trip and shut down the AA240 “Unswitched Outlet” upon an over current condition. After correct-
ing the cause of the breaker tripping, reset the breaker by pushing in on the tab.
VCA
In/Out
Bridge
Sel
Zone 2 Out
Ω
1W 8
Ω
600
Remote
Mute
Input 2
Tr im
Input 3
Tr im
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
2 3
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
2 3
4
8
Low Cut
6
Input 1
Sens
Input 1
Tr im
Input 4
Tr im
Input 5
Trim
Zone 2
Level
B
A
Line Out
Speaker Output 240W
Ω
100V70V25V4Com
+ +
G
+
R
L
Pre Out
Pwr In
Tape Out
Input 6
Input 4 Input 3 Input 2 Input 1
Unswitched Outlet
120V
~ 60Hz
Max 500W
Outlet Breaker
125V
~ 4A
Push Reset
G
+
G
+
G
+
G
+
+
G
120V AC 60Hz 700W
1601 Jack McKay Blvd., Ennis, TX 75119
(800) 876-3333 AtlasSound.com
CLASS 2 WIRING
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