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user manual
QLight™ DP series
QLight DP series manual
page 27
from the low frequency driver. Depending on which section needs servicing, the appropriate drive
unit should be returned to an authorised Turbosound service centre.
To reinstate the drivers, simply reverse the above procedure making sure you observe the correct
polarity when reconnecting the cables back into the terminals of the drive units.
Removal of the midrange unit – TQ-445DP
If the midrange drive unit requires maintenance, it will first be necessary to remove the amplifier
module. The midrange driver is held in place by a M10 x 25mm bolt through the rear of the
cabinet into the back plate of the drive unit underneath the amplifier module. Once this is released
the midrange horn and drive unit assembly can be removed.
Remove the amplifier module as described below and set it aside.
The M10 bolt securing the midrange driver will now be accessible in a recess in the enclosure rear
panel. Using a 17mm socket, unscrew the bolt and set aside for later re-assembly.
Unscrew the eight countersunk screws from the two vertical battens which hold the protective
grille in place. Be careful when removing the grille as it is under tension and may spring outwards
when released. Set the battens, grille and fixing screws aside for later re-assembly.
The midrange horn is secured through the mounting flange with four #10 x 1/12” pan head wood
screws. Unscrew these and lift out the horn and driver assembly.
Disconnect the cables, making a note of the polarity, and carefully lift the driver clear.
Removal of the low frequency driver – TQ-425DP
Unscrew the countersunk screws from the four battens which hold the protective grille in place.
Undo the four Allen head bolts holding the driver(s) in place, and carefully pull it out and away
from the cabinet. WARNING - this unit is heavy! Disconnect the cables from the loudspeaker
terminals and completely remove the driver from the cabinet. Make a note of the driver polarity
for later reconnection.
To reinstate the driver, simply reverse the procedure making sure you observe the correct polarity
when reconnecting the cables back into the terminals of the drive units.
Removal of the low frequency driver – TQ-115DP
Unscrew the six countersunk socket head screws at the side of the cabinet that hold the protective
grille in place. Set the grille and fixing screws aside for later re-assembly.
Undo the four Allen head bolts holding the driver(s) in place, and carefully pull it out and away