User manual
13
C2/C4/C6/C7 Active
Specifications comply with the following standards:Australian Standard Specification No 1127 "Sound System Loudspeakers" Part 5,
IEFE Specification Standard No 219-1975
ATC reserves the right to vary products and specifications without prior notice.Acoustic Transducer Co. is a trading name and ATC
is the registered trade mark of Loudspeaker Technology Ltd.
Driver: 234mm (9”) 314mm (12") 375mm (15") 375mm (15")
Cut-off Frequencies: 18Hz & 250Hz 18Hz & 250Hz 18Hz & 250Hz 18Hz & 250Hz
(-3dB free standing)
Max Continuous SPL: 108dB SPL @ 1 metre 112dB SPL @ 1 metre 115dB SPL @ 1 metre 115dB SPL @ 1 metre
Input Connector: 2 x Male XLR
Input Sensitivity: 1.0V Balanced
Input Impedance: >10k Ohms
Amplifier Output: 250 Watts 650 Watts 650 Watts 650 Watts
Gain Control Range: ±6dB
Contour Equaliser: +6dB @ 40 - 60Hz
Filter Characteristics: 50Hz,60Hz, 70Hz, 80Hz,90Hz low pass second order critically damped
Power Requirements: 100,115, 230V 50/60Hz
Cabinet Dimensions (HxWxD) 470 x 400 x 400mm 582 x 500 x 500mm 635 x 550 x 550mm 672 x 600 x 575mm
Overall Weight 46kg (101.4lb) 52g (114.6lb) 63.6kg (140.2lb) 70kg (154.3lb)
Cabinet Finishes Black, Silver Black, Silver Cherry,Walnut,Rosewood Silver (others to special order)
C2 Active Sub-woofer C4 Active Sub-woofer C6 Active Sub-woofer C7 Active Sub-woofer
Specifications
4.7 Warranty and Contact
All ATC products are guaranteed against any defect
in materials or workmanship for a period of two
years from the date of purchase.Within this period
we will supply replacement parts free of charge
provided that the failure was not caused by misuse,
accident or negligence.
Purchasers who complete and return the
Warranty Card will have their warranty period
extended up to a period of six years from the
date of purchase.This guarantee does not limit
statutory rights.
ATC can be contacted at:
Loudspeaker Technology Ltd,Gypsy Lane,Aston
Down,Stroud,Gloucestershire GL6 8HR, UK.
Telephone: 01285 760561
Fax: 01285 760683
Email: info@atc.gb.net
Website: www.atc.gb.net
4.5 Listening cont’d
of a similar size and it is therefore advisable to begin listening at an artificially low level
and carefully increase the volume. It is also possible for the ATC systems to produce
sufficient sound pressure levels for your ears themselves to become a source of
distortion and make the sound appear harsh. Any distortion indicates that either the
system or your ears are being overloaded and that the volume should be reduced.
4.6 Care and Maintenance
High technology material finishes are used in these products. The surfaces are
durable and with a little care can be kept as good as new even under conditions of
heavy use. Normally a dry duster will be all that is required to keep the finishes
clean. Heavy soiling can be cleaned using a cloth slightly moistened with a non-
abrasive household cleaner.
There are no components within the speakers that can be considered expendable,
or that would benefit from regular maintenance.There is no requirement for any
kind of routine service work and there is no schedule for preventative maintenance.
Should a speaker fail to switch on when the power switch is operated the fuse
should be inspected. Lift out the fuseholder cover using a small flat-blade
screwdriver, remove the fuse and inspect it for damage. If required, a spare fuse is
supplied in the body of the fuseholder cover. Fuses most often fail only because of a
serious electrical fault.If this is the case then simply replacing the fuse will only result
in another fuse failure. The speaker should be returned to ATC for service if a
second fuse fails.
There are no user replaceable parts within the speakers and in the unfortunate
event of any malfunction,repair should be referred to either the supplying dealer or
consultant,the relevant importer,or ATC.