Martin Audio Speaker CS265 User Manual

CONTENTS  
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GUIDES  
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CONTENTS (ENGLISH)  
Page No  
1
2
3
4
5
6
7
8
INTRODUCTION  
2
2
3
3
3
4
5
6
UNPACKING  
AMPLIFICATION  
SAFETY FIRST  
CABLE LENGTHS  
SYSTEM CONFIGURATIONS  
WARRANTY  
TECHNICAL SPECIFICATIONS  
MARTIN AUDIO  
L O N D O N  
The Martin Experience  
All material © 2007. Martin Audio Ltd. Subject to change without notice.  
Martin Audio – CS265  
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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  
11m  
8 ohms  
22m  
16 ohms  
1.0mm2  
1.5mm2  
2.0mm2  
2.5mm2  
4.0mm2  
6.0mm2  
44m  
68m  
17m  
22m  
29m  
44m  
66m  
34m  
44m  
88m  
58m  
116m  
176m  
264m  
88m  
132m  
3
All material © 2007. Martin Audio Ltd. Subject to change without notice.  
Martin Audio – CS265  
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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  
WIRING DIAGRAM FOR 1xCS265 AND 2xC115  
C115 ONLY  
CS265  
CH1  
CH1  
CH2  
C115 ONLY  
CH2  
CH1  
CH2  
AMPLIFIER  
WIRING DIAGRAM FOR 1xCS265 AND 4xC115 OR C516  
C115 OR C516  
C115 OR C516  
CS265  
CH1  
CH1  
CH1  
CH2  
C115 OR C516  
CH2  
C115 OR C516  
CH2  
CH1  
CH2  
AMPLIFIER  
4
All material © 2007. Martin Audio Ltd. Subject to change without notice.  
Martin Audio – CS265  
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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.  
5
All material © 2007. Martin Audio Ltd. Subject to change without notice.  
Martin Audio – CS265  
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8
TECHNICAL SPECIFICATIONS  
CS265  
TYPE  
Low profile ultra-compact sub bass system  
60Hz-120Hz ±3dB  
-10dB @ 55Hz  
2 x 6.5" (165mm) long excursion drivers  
with 1.5" (38mm) voice coils  
200W AES, 800W peak (2 x 100W AES,  
400W peak per driver)  
FREQUENCY RESPONSE  
LOW FREQUENCY LIMIT  
DRIVERS  
RATED POWER  
RECOMMENDED AMPLIFIER  
SENSITIVITY  
100-200W into 4 ohms  
93dB 1 Watt/1 metre  
MAXIMUM SPL  
IMPEDANCE  
CROSSOVER  
112dB continuous, 118dB peak  
8 ohms nominal per driver  
120Hz internal passive low pass filter  
44 litre (1.6 cu foot) particle board  
construction  
ENCLOSURE  
CONNECTORS  
DIMENSIONS  
Separate binding post input connectors  
for each driver including output  
connectors for C115 and C516  
loudspeakers  
(W) 215mm x (H) 456mm x (D) 605mm  
(W) 8.5ins x (H) 18.0ins x (D) 23.8ins  
17.5 kg (38.5lbs)  
WEIGHT  
SHIPPING DIMENSIONS  
(W) 280mm x (H) 510mm x (D) 680mm  
(W) 11ins x (H) 20.1ins x (D) 26.8ins  
19.5kg (43lbs)  
SHIPPING WEIGHT  
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.  
6
All material © 2007. Martin Audio Ltd. Subject to change without notice.  
Martin Audio – CS265  
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Contractor Series  
CS265  
Please Click here to  
Please Click here to  
MARTIN AUDIO  
L O N D O N  
The Martin Experience  
Century Point, Halifax Road, Cressex Business Park, High Wycombe, Buckinghamshire HP12 3SL, England.  
Telephone: +44 (0)1494 535312 Facsimile: +44 (0)1494 438669  
All material © 2007. Martin Audio Ltd. Subject to change without notice.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
CONTENTS  
PRINT  
GUIDES  
< >  
Contractor Series  
CS265  
User’s Guide  
ENGLISH  
MARTIN AUDIO  
L O N D O N  
The Martin Experience  
All material © 2007. Martin Audio Ltd. Subject to change without notice.  
Download from Www.Somanuals.com. All Manuals Search And Download.  

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