LD Systems SP 6K - Manual (Page 8)

8
ENGLISH
DEUTSCH
FRANCAIS
INSTALLATION & OPERATING:
The amplifier can operate on three different configurations: DUAL, LINK or BRIDGE. The connections for the three
modes are different.
DUAL CHANNEL MODE
See Figure 3
- Switch “Off” the amp.
- Set the Mode Switch on the rear panel to “DUAL”.
- Select the chosen Gain on the back panel Switch (Default setting 32dB).
- Connect the signal lines to the female XLR connectors on all channels.
- Connect the speakers’ lines to the corresponding Speakon on the amp respecting the polarity.
- Switch “On” the amp.
- Use the level control knob on the front panel to adjust each channel independently.
- Switch “Off” the amp.
- Set the configuration switch on the rear panel to “BRIDGE” (see page 9).
- Select the chosen Gain on the back panel Switch (Default setting 32dB +6dB).
- Connect a signal line to input female XLR Channel “A” (or Ch-C in 4 channel models).
- Connect the speaker line to the Channel A Speakon (or Ch-C in 4 channel models) wired to +1 and +2.
In this way pin +1 is positive.
WARNING!
SP6K, SP44K and SP46K models in BRIDGE mode, have a particular connection: the speaker has to
be wired to pin +1 and -2 (pin +1 is positive). The “-“ pins in these models, do not have to be Ground!
- Switch “On” the amp.
- Use Channel-A (or Ch-C in 4 channel modes) control knob to adjust the amp’s output.
- The signalling LED groups will show the single channel status.