User manual

C7-SUB Data Sheet C7-SUB
CAUTION!
EP-5
1
2
3
4
5
NL4
1+
1
2+
2
n.c.
Speakon- NL4 and EP-5 pin assignments
Connector wiring
1+
1
2+
2
1+
1
2+
2
C7-SUB
The C7-SUB is a bass-reflex design employing a long excursion 18"
driver. The large, specially shaped reflex port enables the C7-SUB
to achieve high sound pressure levels with minimal power
compression and breathing effects.
The C7-SUB cabinet is constructed from marine plywood, fitted
with two pairs of steel handles, and has an impact resistant paint
finish. The front of the loudspeaker cabinet is protected by a rigid
metal grill, covered with a replaceable acoustically transparent
foam and fitted with catches to the top and bottom for securing an
optional transport lid E7916. Mounted on the rear panel are two
Speakon NL4 or EP-5 connectors wired in parallel and four heavy
duty wheels. An M20 threaded flange in the top panel accepts the
d&b Z5013 loudspeaker stand for the deployment of full range
cabinets.
Designed to be actively driven using the P1200A mainframe, the
C7-SUB covers the 44 Hz to 140 Hz or 44 Hz to 100 Hz frequency
band, depending on the controller setting.
The C7-SUB is the largest and most powerful C-Series subwoofer
principally designed to supplement the C7-TOP loudspeaker. The
C7-SUB may however be used to provide bass support for other
d&b systems like C6 or MAX (controller CUT setting selected in
each case).
Only operate C7-SUB loudspeakers with a d&b P1200A mainframe
fitted with C7-SUB controller modules otherwise there is a risk of
damaging the loudspeaker components.
Connections
The C7-SUB cabinet is fitted with a pair of Speakon-NL4
connectors. All four pins of both connectors are wired in parallel.
The C7-SUB uses the pin assignments 2+/2. Pins 1+/1 are
designated to C and E-Series full range systems. Using one
connector as the input, the second connector allows for direct
connection to additional loudspeakers.
The C7-SUB can be supplied with EP-5 output connectors as an
option. Pin equivalents of Speakon-NL4 and EP-5 connectors are
listed in the table below left.
Up to two C7-SUB's can be driven by each P1200A power
amplifier channel. Fitting one C7-SUB-CO and one C-Series TOP
controller module allows a single mainframe to drive two C7-SUB
and two mid/high cabinets. All cabinets can be linked together
locally and fed by a single four-wire cable from either mainframe
output connector.