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AM3
All horn loaded three-way weatherised enclosure
features
! All-horn three-way system
! ‘Phase-ball’ loaded mid-driver
! Hybrid™ LF section
! Textured high-density polyurethane coating
both internal and external
! Five year limited warranty
applications
! Sports Stadia
! Arenas
! 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: info@martin-audio.com
All information is Copyright © 2006 Martin Audio Ltd.
The AM3 is a high performance three-way, fully horn loaded
horizontal format enclosure designed for outdoor applications
such as sports stadia and arenas. It features a Hybrid™ low
frequency section comprising a 15" (380mm) driver that is
reflex loaded to extend the LF output to below the natural
horn cutoff point. The 10" (250mm) mid-horn features a unique
"phase-ball" loading device and is teamed with a 70º x 40º horn-
loaded 1" (25mm) exit compression driver for efficient mid-HF
performance. The enclosure has a textured, high-density
polyurethane coating applied both internally and externally, plus
a galvanised steel grille with a water barrier to ensure product
reliability over many years.
architectual
www.martin-audio.com
overall dimensions
technical specifications
TYPE Three-way bi-amp trapezoid Hybrid™ fully
horn-loaded
FREQUENCY RESPONSE (5) 50Hz-18kHz ± 3dB
DRIVERS 15" (380mm) bass driver with waterproof cone
10" (250mm) mid driver with waterproof cone
1" (25mm) exit HF compression driver
RATED POWER (2) LF: 500W AES, 2000W peak
MF + HF: 300W AES, 1200W peak
SENSITIVITY (6) LF: 104dB, MF + HF: 104dB
MAXIMUM SPL (7) 130dB continuous, 136dB peak
NOMINAL IMPEDANCE LF: 8 ohms
MF + HF: 8 ohms
DISPERSION (-6dB) 70º horizontal, 40º vertical
CROSSOVER 200Hz active, 2kHz passive
ENCLOSURE 250 litre, multi-laminate birch ply
FINISH Textured high-density polyurethane coating
External and internal
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 150W line transformer(s) (100/70V option)
DIMENSIONS (W) 1066mm x (H) 560mm x (D) 744mm
(W) 42ins x (H) 22ins x (D) 29.3ins
WEIGHT 81kg (178.5lbs)
86kg (190lbs) with line transformers fitted