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W8LM Mini Line Array
Mini, high performance three-way
line array enclosure
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
5 of 5
touring and theatre
architectural and engineering specifications
The loudspeaker system shall be of the three-way
horizontally formatted line array type, switchable
passive/bi-amp. The low and mid frequency sections shall
consist of two 8" (200mm) cone transducers, one direct
radiating and reflex loaded and one front loaded by a
constant directivity mid-horn using a toroidal phase plug
and reflex loaded, with both sharing the same enclosure.
The drivers shall operate in tandem to produce low
frequencies up to 300Hz. Above 300Hz, the direct
radiator driver shall be rolled off by an internal passive
network and the horn loaded driver reproduce mid
frequencies up to 2.2kHz. The high frequency section
shall consist of two 1" (25mm) horn elements vertically
mounted to produce a low-curvature vertical wavefront.
The enclosure shall be constructed of heavily braced
multi-laminate plywood with all flying hardware integral
and captive. Bi-amp or passive operation shall be selected
by a switch at the rear of the enclosure. In bi-amp mode
the loudspeaker shall be operated with a separate
electronic controller providing a 2.2kHz crossover
between mid and high frequencies. In passive mode the
mid and high frequency sections shall be integrated by an
internal 2.2kHz crossover network.
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
60Hz-18kHz ±3dB.
High frequency dispersion at -6dB points shall be
100˚H x 7.5˚V.
Power handling shall be 400W AES, 1600W peak FR/(LF
+ MF), 75W AES, 300W peak HF.
Rated impedance shall be 12 ohms FR/(MF + HF),
12ohms HF.
Maximum SPL measured at 1 metre on axis shall be
125dB continuous, 131dB peak.
Dimensions (W) 620mm x (H) 243mm x (D) 400mm
(24.4ins x 9.6ins x 15.8ins).
Weight 29kg (64lbs).
The loudspeaker system shall be the Martin Audio
W8LM.
NN oo tteess
(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.
technical specifications (single enclosure)
TYPE Three-way, compact line array element
FREQUENCY RESPONSE (5) 60Hz-18kHz ± 3dB
DRIVERS: LF + MF Section 8" (200mm)/2" (50mm) voice coil, reflex-loaded
direct radiator
8" (200mm)/2" (50mm) voice coil, neodymium
driver, front horn loaded, rear reflex loaded
DRIVERS: HF Section 2 x 1" (25mm) exit HF compression drivers,
horn loaded
RATED POWER (2) LF + MF: 400W AES, 1600W peak
HF: 75W AES, 300W peak
Passive: 400W AES, 1600W peak
SENSITIVITY (6) LF + MF: 100dB
HF: 106dB
Passive: 99dB rising to 105dB at HF
MAXIMUM SPL (calculated @ 1m) LF + MF: 125dB continuous, 131dB peak
HF: 125dB continuous, 131dB peak
Passive: 124dB continuous, 130dB peak
NOMINAL IMPEDANCE LF + MF: 12 ohms
HF: 12 ohms
Passive: 12 ohms
DISPERSION (-6dB) 100º horizontal (down to 800Hz),
7.5º vertical
120º horizontal (down to 700Hz) @ -10dB
CROSSOVER 300Hz passive, 2.2kHz active or passive
ENCLOSURE Vertical trapezoid with 3.75º wall angle, multi-
laminate birch ply construction
FINISH Textured paint
PROTECTIVE GRILLE Perforated steel
CONNECTORS 2 x Neutrik NL4
DIMENSIONS (W) 620mm x (H) 243mm x (D) 400mm
(W) 24.4ins x (H) 9.6ins x (D) 15.8ins
WEIGHT (including rigging hardware) 29kg (64lbs)
accessories
ASF20001 Flying frame
ASF20002 Lifting bar
HAM09002 Groundstack bar
HTK175 Flying pin