7
Backpanel
Fig. 3.
10/11. Balanced 1/4" (TRS) &XLR Input Connectors.
These connectors accept input signals on balanced TRS and XLR input plugs,
See the figure at the right for information on polarity, Connectors for each
channel are in parallel, The unused connectors may be used for linking other
amplifiers.
NOTE:
Unbalanced "Tip/Sleeve" plugs may be used with the balanced TRS
(Tip/Ring/Sleeve)connectors. The "ring" terminal or negative input will be
connected to ground internally. When using three-pole ('stereo') TRS connectors,
make sure that the ring connection is made either to the cold (-) output of the
source equipment or to ground. Incorrect connections may cause a 6dB loss in
level.
12. Filter 120Hz select switch
High-pass, Low-pass, By-pass
13. Mode Selection DIP-switch
This DIP switch configures the amplifier for Stereo, Parallel or Bridged Mono
Mode operation. Amplifiers are factory configured for Stereo Mode.
14. Grounding selector
To eliminate groundloops, put the selector in "OFF" position.
15. Lighting Switch
To switch the lighting on the front panel ON or OFF.
16. Output Connectors
Using speakon-type speaker cables, make connections to both the channel A and channel B
connectors for Stereo or Parallel mode, to channel A connector for Bridged mono mode.
17. Mains Cord
Mains voltage must be correct and same as that printed on the rear of the unit.
18. Power Fuse
The fuse shall, if needed, only be replaced by qualified personnel with the same type and rating.
19. Air cooling windows
This part is the air cooling window. Don't obstruct it.
