ATC HIFI Series User Manual

Diagram 7 and 8 – 2.1 Conguration – The subwoofer is driven by a preamplier/AV receiver with a second pre-amplier Output or dedicated
subwoofer Output. Additional subwoofers may be daisy chained using the subwoofer Outputs, or connected in a stereo conguration as shown.
DIAGRAM 7
DIAGRAM 8
SUBWOOFER CONNECTED IN PARALLEL, PASSIVE SYSTEM
SUBWOOFER CONNECTED IN PARALLEL
The recommended initial settings are shown opposite in Diagram 9.
The recommended number of subwoofers required in each system is shown in Diagram 10.
SECTION SIX
* In case of a passive system the required subwoofer gain setting will depend on the gain of the amplier used. Example shown is based on the ATC P1.
Loudspeaker model (pair)
BASS REINFORCEMENT /
EXTENSION OF STEREO
SYSTEM
SCM40 50Hz -6dB* 6dB/0dB* 0° +
SCM40A 50Hz -6dB 6dB/0dB 0° -
SCM20PSL 65Hz -6dB* 6dB/0dB* 0° +
SCM50ASL 50Hz -6dB 6dB/0dB 0° -
SCM20ASL 65Hz -6dB 6dB/0dB 0° +
SCM100PSL 50Hz -3dB* 6dB/0dB* 0° +
SCM150PSL 50Hz 0dB* 6dB/0dB* 0° +
SCM50PSL 50Hz -6dB* 6dB/0dB* 0° +
SCM100ASL 50Hz -3dB 6dB/0dB 0° -
SCM150ASL 50Hz 0dB 6dB/0dB 0° -
FREQUENCY
LEVEL
ADJUST FOR BEST
BALANCE
GAIN SWITCH
(SINGLE SUB /
DUAL SUBS)
PHASE
ADJUST TO
FINE TUNE
POLARITY
Subs
C4 SUB Mk2 1 1 1 1-2 2
SCM40 SCM20SL PRO SCM50SL SCM100SL SCM150SL
Stereo loudspeakers
C4 Sub Mk2 – recommended initial settings
For detailed recommendations, please contact your dealer/distributor or ATC.
DIAGRAM 10
DIAGRAM 9

ATC HIFI Series Specifications

General

Brand	ATC
Model	HIFI Series
Category	Subwoofer
Language	English