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W8LS Line Array Subwoofer
Dedicated high performance sub-bass system
Century Point, Halifax Road, Cressex Business Park,
High Wycombe, Buckinghamshire HP12 3SL, England.
Telephone: +44 (0)1494 535312 Facsimile: +44 (0)1494 438669
E-mail: info@martin-audio.com
All information is Copyright © 2006 Martin Audio Ltd.
www.martin-audio.com
3 of 3
touring and theatre
architectural and engineering specifications
The loudspeaker system shall be of the horizontally
formatted sub-bass type for flown or ground-stack
applications. The loudspeaker system shall consist of
two 18" (460mm) direct radiating reflex loaded long
excursion low frequency transducers. The transducer
cones shall be treated with a waterproof lacquer and
protected by a perforated steel grille backed with
Declon foam. The enclosure shall be constructed of
heavily braced multi-laminate plywood with all flying
hardware integral and captive. The loudspeaker shall be
operated with a separate dedicated electronic
controller.
Performance of the loudspeaker system with its
electronic controller shall meet or exceed the following
criteria:
Frequency response measured 1 metre on axis shall be
32Hz-180Hz ±3dB.
Power handling shall be 2000W AES, 8000W peak.
Rated impedance shall be 8 ohms per driver.
Maximum SPL measured at 1 metre on axis shall be
132dB continuous, 138dB peak.
Dimensions (W) 1314mm x (H) 490mm x (D) 755mm
(51.7ins x 19.3ins x 29.7ins).
Weight 108kg (238lbs).
The loudspeaker system shall be the Martin Audio
W8LS.
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(1) Measured on-axis in half space at 2 metres, then referred to 1 metre.
(2) AES Standard ANSI S4.26-1984.
(3) Measured in half space at 2 metres with 1 watt input, using band limited pink noise, then referred to 1 metre.
(4) Measured in half space at 2 metres using band limited pink noise, then referred to 1 metre.
(5) Measured on-axis in open (4π) space at 2 metres, then referred to 1 metre.
(6) Measured in open (4π) space at 2 metres with 1 watt input, using band limited pink noise, then referred to 1 metre.
(7) Measured in open (4π) space at 2 metres using band limited pink noise, then referred to 1 metre.
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Due to Martin Audio’s policy of continuing improvement, we reserve the right to alter these specifications without prior notice.
Martin Audio is committed to refining state of the art sound reinforcement, combining in-depth product and field applications
research with advanced manufacturing techniques. Every Martin Audio product is built to the highest manufacturing standards
and rigorously tested to ensure that it meets the performance criteria specified in the design.
accessories
HTK172 Flying pin
HAM09001 W8L stacking rod
technical specifications
TYPE Reflex loaded sub-bass
FREQUENCY RESPONSE (1) 32Hz-180Hz ± 3dB
-10dB @ 28Hz
DRIVERS 2 x 18" (460mm)/4" (100mm) voice coil
RATED POWER (2) 2000W AES, 8000 peak
SENSITIVITY (6,3) 101dB (open space), 107dB (half space)
MAXIMUM SPL 132dB continuous, 138dB peak (open space)
(calculated @ 1m) 138dB continuous, 144dB peak (half space)
NOMINAL IMPEDANCE 8 ohms per driver
CROSSOVER 70Hz-180Hz, depending on application
ENCLOSURE Vertical trapezoid with 3.75º wall angle, multi-
laminate birch ply construction
FINISH Textured grey paint
PROTECTIVE GRILLE Grey perforated steel
CONNECTORS 2 x Neutrik NL8
DIMENSIONS (inc. wheelboard) (W) 1314mm x (H) 490mm x (D) 755mm (855mm)
(W) 51.7ins x (H) 19.3ins x (D) 29.7ins (33.7ins)
WEIGHT 108kg (238lbs)
(ex. wheelboard)