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AM12

Full-range weatherised enclosure

features

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Compact two-way passive system

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Textured high-density polyurethane coating 
both internal and external

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User rotatable 80º x 50º horn

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High power output

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Five year limited warranty

applications

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Sports Stadia

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Arenas

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Exhibition halls

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: [email protected]
All information is Copyright © 2003 Martin Audio Ltd.

The AM12 is a 2-way passive enclosure that has been
specifically designed for applications such as stadiums and
arenas where high SPL and weather resistance are of prime
importance. The AM12 has a 300 watt 12" (300mm) direct
radiating reflex loaded low frequency transducer with a
waterproof cone coupled with a 1" (25mm) exit HF
compression driver mounted on a rotatable 80˚ horizontal x
50˚ vertical constant directivity horn. The enclosure is of a
vertical trapezoid design and horizontally formatted to reduce
sightline obstruction. The AM12 is finished, both internally and
externally, in a textured, high-density polyurethane coating. It is
supplied with a protective grille that is heavy galvanised and
powder-coated and fitted with an integral water barrier to
ensure product reliability over many years.

architectual

www.martin-audio.com

overall dimensions

technical specifications

TYPE

Compact, two-way passive trapezoid

FREQUENCY RESPONSE (1) 65Hz-18kHz ± 3dB
DRIVERS

12" (300mm) bass driver with waterproof cone
1" (25mm) exit compression driver

RATED POWER (2)

300W AES, 1200W peak

SENSITIVITY (3)

97dB

MAXIMUM SPL (4)

120dB continuous, 126dB peak

NOMINAL IMPEDANCE

8 ohms

DISPERSION (-6dB)

80º horizontal, 50º vertical

CROSSOVER

2kHz passive

ENCLOSURE

38 litre (1.3 cu foot) vented
Multi laminate birch ply

FINISH

Textured high-density polyurethane coating 
applied externally and internally

PROTECTIVE GRILLE

18 gauge punched steel, heavy galvanised and 
polyester-coated, with integral water barrier

CONNECTORS

3m flying lead, with loop-out option

FITTINGS

12 x M10 threaded inserts

OPTIONS

30W or 150W line transformer (100/70V option)

DIMENSIONS

(W) 571mm x (H) 391mm x (D) 345mm
(W) 22.5ins x (H) 15.4ins x (D) 13.6ins

WEIGHT

22.5kg (49.6lbs)
25kg (55.1lbs) with 150W line transformer fitted

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