6
• Rear Panel Controls & Features
LXA-7600
3
2
1
+ Sig
- Sig
Shield
3
2
1
7
• Input - Output Connections
LXA-7600
3 Pin Male XLR
- Signal
+ Signal
Shield (Ground)
Ground
+ Signal
- Signal
Input Connections - Balanced Mode
Fig. 1
Fig. 2
Fig. 3
Fig. 4
Input Connections - Unbalanced Mode
Output Connections - Stereo / Mono Mode
Output Connections - Bridge Mode
3 Pin Male XLR
6.3 mm (¼") Mono Phone Plug
Shield (Ground)
Ground
Speakon Cable
Connector
Output Channel A
Speakon Cable Connector
Output Channel A
Speakon Cable
Connector
Output Channel B
6.3 mm (¼") Stereo Phone Plug
3
2
1
Signal
+
Shield
2
1
3
Speakon Cable Connector
(Inside View)
Speaker
8
W
4
W
Speakon Cable Connector
(Inside View)
8
W
4
W
Signal
Signal
9.
Fan Grill
Protective grill for channel B fan. Do not insert
anything into this opening.
10. Low Pass Filter Selector Switch for Channel B:
Select the frequencies to 80Hz or 120Hz to use
amplifier to drive sub woofers. When the switch is
OFF, the amplifier will be working for full audio
frequency spectrum.
13. 6.3 mm (¼") Jack Input for Channel B:
19. Fan Grill:
The stereo jack connector accepts the balanced /
unbalanced signals to drive the channel B. Inputs can
be wired as per fig. 1 & 2
(Input Connections for
Balanced and Unbalanced Mode).
24. Binding Post Terminal for Channel A Ouput:
25. Binding Post Terminal for Channel B Output:
This output terminal is parallel to Pin 1+ & 1- of
speakon connector of channel B.
11. Sensitivity Selector Switch:
Ground loop form when multiple sets are used, which
can cause Hum. Using this switch can improve hum &
noise by breaking unwanted ground loops.
Amplified signal is available at Pin 1+ & 1- of speakon
connector. The output speakon connectors should be
wired as per fig. 3
(Output Connectors for Stereo /
Mono Mode)
. This is not used in Bridge mode.
This F/XLR connector accepts the balanced /
unbalanced signals for driving channel B. Inputs can
be wired as per fig. 1 & 2
(Input Connections for
Balanced and Unbalanced Mode).
This slide switch is used to operate the unit in
stereo, mono or bridge mode.
Select the frequencies to 80Hz or 120Hz to use
amplifier to drive sub woofers. When the switch is
OFF, the amplifier will be working for full audio
frequency spectrum.
Use this cable to supplying power to unit.
Protective grill for channel A fan. Do not insert
anything into this opening.
This F/XLR connector accepts the balanced /
unbalanced signals to drive the channel A in stereo
mode and channel A & B if used in mono and bridge
mode operation. Inputs can be wired as per fig. 1 & 2
(Input Connections for Balanced and Unbalanced
Mode).
Slide switch to select the input sensitivity between
0.775V & 1.23V. It is suggested to use 1.23V
sensitivity if programme signal is fed from a mixer.
15. 6.3 mm (¼") Jack Input for Channel A:
17. LIMITTER ON/OFF Switch:
18. Low Pass Filter Selector Switch for Channel A:
The stereo jack connector accepts the balanced /
unbalanced signals to drive the channel A when used
in stereo mode and channel A & B when used in mono
and bridge mode operation. Inputs can be wired as per
fig. 1 & 2
(Input Connections for Balanced and
Unbalanced Mode).
26. Speakon Connector for Channel B Output
23. Ground Lift Switch:
14. STEREO / MONO / BRIDGE Mode Selector Switch:
This output terminal is parallel to Pin 1+ & 1- of
speakon connector of channel A and may be used
when speakon plugs are not available.
12. F/XLR INPUT Connector for Channel B:
16. F/XLR INPUT Connector for Channel A:
20. 3 Core AC Mains Cable with Plug
Limiter is active when switch is kept at ON position. It
is advised to use the Limiter On in normal operations.
Whenever it is used for limiter OFF, drive the amplifier
for controlled output to protect the speakers from
failure.
21. Earth Terminal:
For earthing the chassis.
22. Speakon Connector for Channel A Output:
In STEREO / MONO mode amplified signal is
available at Pin 1+ & 1- of speakon connector. The
output speakon connectors should be wired as per fig.
3
(Output Connectors for Stereo / Mono Mode)
. In
BRIDGE mode the output is taken from Pin 2+ and 2-
of speakon connector. Output speakon connectors to
be wired as per fig. 4
(Output Connections for Bridge
Mode).
12
13
11
10
14
15
16
17
9
19
18
26
21 20
22
25
23
24
