Martin Audio CS265 Manuale utente
Martin Audio – CS265
CONTENTS (ENGLISH) Page No
1 INTRODUCTION 2
2 UNPACKING 2
3 AMPLIFICATION 3
4 SAFETY FIRST 3
5 CABLE LENGTHS 3
6 SYSTEM CONFIGURATIONS 4
7 WARRANTY 5
8 TECHNICAL SPECIFICATIONS 6
MARTIN AUDIO
LONDON
The Martin Experience
All material © 2007. Martin Audio Ltd. Subject to change without notice.
1 INTRODUCTION
Thank you for purchasing a Martin Audio CS265, a sub-bass system
designed to be used with the C115 and C516 Contractor Series
loudspeakers. It incorporates two powerful 6.5" (165mm) drive units in an
ultra-compact enclosure.
2 UNPACKING
Each Martin Audio loudspeaker is built to the highest standard and
thoroughly inspected before it leaves the factory. After unpacking the
system, examine it carefully for any signs of transit damage and inform
your dealer if any such damage is found. It is suggested that you retain
the original packaging so that the system can be repacked at a future date
if necessary.
Please note that Martin Audio and its distributors cannot accept any
responsibility for damage to any returned product through the use of
non-approved packaging.
Martin Audio – CS265
ENGLISH
2
This equipment conforms to the requirements of the
EMC Directive 89/336/EEC, amended by 92/31/EEC
and 93/68/EEC and the requirements of the Low
Voltage Directive 73/23/EEC, amended by 93/68/EEC.
Standards Applied EMC Emission EN55103-1:1996
Immunity EN55103-2:1996
Electrical Safety EN60065:1993
All material © 2007. Martin Audio Ltd. Subject to change without notice.
3 AMPLIFICATION
The CS265 is designed to be used with professional power amplifiers
capable of producing 100-200W per channel into 4 ohms:
Care should be taken to avoid amplifier clipping. It is important to
understand that a low power amplifier driven into clipping is more likely to
damage a loudspeaker than a higher power amplifier used within its ratings.
This is because music signals have a high peak-to-average "crest" factor.
When an amplifier is severely overdriven, its output waveform is clipped (its
peaks are squared off) – reducing the crest factor. In extreme cases, the
waveform can approach that of a square wave. An amplifier is normally
capable of producing far more power under these conditions than its
undistorted rated power output.
The use of very high power amplifiers with outputs greater than those
recommended is discouraged.
Care should be taken to avoid switch-on surges, which can result in
momentary power peaks in excess of specified ratings. When powering up
a sound system it is important to switch on the amplifiers after the mixer
and control electronics have stabilised. When powering down the system,
reverse the sequence and switch off the amplifiers first.
4 SAFETY FIRST
It is important that loudspeaker systems are used in a safe manner.
Please take some time to review the following points concerning safe use
of Contractor Series loudspeakers.
Professional loudspeakers are capable of producing extremely high sound
levels and should be used with care. Hearing loss is cumulative and can
result from levels above 90dB if people are exposed for a long period.
Never stand close to loudspeakers driven at high level.
5 CABLE LENGTHS
When connecting loudspeaker systems to an amplifier, it is recommended
that the return resistance of the cable used is less than one tenth of the
nominal impedance of the system or systems in parallel. The table below
gives an indication of the maximum permissible cable runs for various
conductor cross-sectional areas.
Conductor CSA Maximum Cable Run
4 ohms 8 ohms 16 ohms
1.0mm211m 22m 44m
1.5mm217m 34m 68m
2.0mm222m 44m 88m
2.5mm229m 58m 116m
4.0mm244m 88m 176m
6.0mm266m 132m 264m
Martin Audio – CS265
ENGLISH
3
All material © 2007. Martin Audio Ltd. Subject to change without notice.
6 SYSTEM CONFIGURATIONS
The following configurations are available:
1 x CS265 with 2 x C115
1 x CS265 with 4 x C115
1 x CS265 with 4 x C516
Martin Audio – CS265
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4
WIRING DIAGRAM FOR 1xCS265 AND 2xC115
C115 ONLY
CH1 CH1
CS265
CH2
C115 ONLY
CH2
CH2
CH1
AMPLIFIER
WIRING DIAGRAM FOR 1xCS265 AND 4xC115 OR C516
C115 OR C516 C115 OR C516
CH1 CH1 CH1
C115 OR C516 C115 OR C516
CH2
CH2 CH2
CH2
CH1
CS265
AMPLIFIER
All material © 2007. Martin Audio Ltd. Subject to change without notice.
When the systems are connected in this way, it provides the best match of
sensitivity and power handling between the CS265 and C115 or C516
satellites, whilst maintaining a nominal overall impedance above 4 ohms.
The configuration 1 x CS265 with 2 x C516 is not advisable unless the
amplifier is capable of 2 ohm operation.
When phase checking a system, there should be a positive output from the
rectangular port of the CS265 and a negative output from the triangular
ports. The output of the C115 or C516 loudspeakers should be positive in
all circumstances.
7 WARRANTY
Martin Audio CS265 is warranted against manufacturing defects in materials
or craftsmanship over a period of 5 years from the date of original purchase.
During the warranty period Martin Audio will, at it's discretion, either repair or
replace products which prove to be defective provided that the product is
returned in its original packaging, shipping prepaid, to an authorised Martin
Audio service agent or distributor.
Martin Audio Ltd. cannot be held responsible for defects caused by
unauthorised modifications, improper use, negligence, exposure to inclement
weather conditions, act of God or accident, or any use of this product that is
not in accordance with the instructions provided by Martin Audio.
Martin Audio is not liable for consequential damages.
This warranty is exclusive and no other warranty is expressed or implied.
This warranty does not affect your statutory rights.
Martin Audio – CS265
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5
All material © 2007. Martin Audio Ltd. Subject to change without notice.
8 TECHNICAL SPECIFICATIONS
CS265
TYPE Low profile ultra-compact sub bass system
FREQUENCY RESPONSE 60Hz-120Hz ±3dB
LOW FREQUENCY LIMIT -10dB @ 55Hz
DRIVERS 2 x 6.5" (165mm) long excursion drivers
with 1.5" (38mm) voice coils
RATED POWER 200W AES, 800W peak (2 x 100W AES,
400W peak per driver)
RECOMMENDED AMPLIFIER 100-200W into 4 ohms
SENSITIVITY 93dB 1 Watt/1 metre
MAXIMUM SPL 112dB continuous, 118dB peak
IMPEDANCE 8 ohms nominal per driver
CROSSOVER 120Hz internal passive low pass filter
ENCLOSURE 44 litre (1.6 cu foot) particle board
construction
CONNECTORS Separate binding post input connectors
for each driver including output
connectors for C115 and C516
loudspeakers
DIMENSIONS (W) 215mm x (H) 456mm x (D) 605mm
(W) 8.5ins x (H) 18.0ins x (D) 23.8ins
WEIGHT 17.5 kg (38.5lbs)
SHIPPING DIMENSIONS (W) 280mm x (H) 510mm x (D) 680mm
(W) 11ins x (H) 20.1ins x (D) 26.8ins
SHIPPING WEIGHT 19.5kg (43lbs)
NOTES (Contractor Series – CS265)
Sensitivity measured in half-space conditions at 1 metre with 1 watt input,
using band limited pink noise.
SPL measured at 1 metre using band limited pink noise.
Finish: Black.
Due to our policy of continuous improvement all specifications are subject
to change without notice.
Martin Audio – CS265
ENGLISH
6
All material © 2007. Martin Audio Ltd. Subject to change without notice.
Contractor Series CS265
Century Point, Halifax Road, Cressex Business Park, High Wycombe, Buckinghamshire HP12 3SL, England.
Telephone: +44 (0)1494 535312 Facsimile: +44 (0)1494 438669
The Martin Experience
MARTIN AUDIO
LONDON
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All material © 2007. Martin Audio Ltd. Subject to change without notice.
MARTIN AUDIO
LONDON
The Martin Experience
ENGLISH
Contractor Series CS265
User’s Guide
All material © 2007. Martin Audio Ltd. Subject to change without notice.
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