Martin Audio AM3 User's Manual

Martin Audio Speaker System User's Manual - AM3.
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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

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