Balanced Line Input; Limit Led - LD SUB Series User Manual

CONNECTORS, CONTROLS, AND INDICATORS:
LDSUB88A:
1
POWER SOCKET
IEC power socket 220V-240V with built-in fuse holder.
IMPORTANT INFORMATION: Replace the fuse only with a fuse of the same type and rating. If the fuse blows
repeatedly, please contact an authorised service centre.
2
POWER
On / off switch. Before switching the active speaker on or off, always adjust the volume to zero (SUB LEVEL
all the way to the left).
3

BALANCED LINE INPUT

Balanced line input (XLR / 6.3 mm TRS combo) for connecting an external audio source (e.g., mixer).
4
SUB LEVEL
Volume control
5
SUB CROSSOVER
Variable low-pass filter 70 - 140 Hz. Controls the lower limit frequency of the subwoofer.
6
SUB PHASE
Phase reverse switch for the subwoofer (0°, 180°).
7
POWER LED
Lights up when the subwoofer is switched on and properly connected to the power mains.
8
SIGNAL LED
The LED lights up when an audio signal is present at the line input.
9

LIMIT LED

Lights up if the speaker is operating in the clipping range. Brief flashing is not a cause for concern, since
the internal audio limiter compensates for over-modulation. Permanent illumination should be avoided by
reducing the input level.
11