Martin Audio AQ28 Manual de usuario

AAQQ2288

Two-way passive reflex with dual bass drivers

PRELIMINARY DATA

features

Compact two-way passive system

Dual 8” (200mm) long-throw bass drivers

Extended LF performance

User rotatable 90º x 50º horn

High power output

Five year limited warranty

applications

Restaurants and bars

Theatres

Cruise Ships

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]

Due to Martin Audio’s policy of continuing improvement, we reserve the

right to alter these specifications without prior notice.

The AQ28 is a two-way, dual-bass driver, passive loudspeaker

designed to give extended LF performance from a compact,

architecturally neutral, vented enclosure. It features dual

8”(200mm) long-throw, 2”(50mm) coil direct-radiating bass units

and a 1.7”(44mm) diaphragm, 1”(25mm) exit compression driver,

mounted on a proprietary, rotatable 90° x 50° constant directivity

horn.

Below 250Hz both LF drivers operate together whilst above

250Hz only the upper LF driver is used to reproduce frequencies

up to the crossover point. This technique avoids the uneven polar

response which would occur if both drivers were operated over

the same frequency band. The LF drivers are also fitted with flux

demodulation rings, which reduce intermodulation distortion, in

order to preserve midband clarity at high signal levels.

architectual

www.martin-audio.com

overall dimensions

technical specifications

TYPE Two-way passive reflex with dual bass drivers

FREQUENCY RESPONSE (5) 60Hz-18kHz ± 3dB

DRIVERS 2 x 8” (200mm)/2” (50mm) voice coil LF drivers

1” (25mm) exit HF compression driver

RATED POWER (2) 300W AES, 1200W peak

RECOMMENDED AMPLIFIER 400W-1000W into 4 ohms

SENSITIVITY (6) 95dB

MAXIMUM SPL (7) 120dB continuous, 126dB peak

NOMINAL IMPEDANCE 6 ohms

DISPERSION (-6dB) 90º horizontal, 50º vertical

CROSSOVER 2.5 kHz passive

ENCLOSURE 20 litre, 15/18mm MDF

FINISH Textured light grey paint

PROTECTIVE GRILLE Grey perforated steel

CONNECTORS Low profile 20 amp push-lock

FITTINGS 6 x M8 inserts for bracket

2 x M8 inserts for safety point

DIMENSIONS (W) 258mm x (H) 660mm x (D) 255mm

(W) 10.2ins x (H) 26ins x (D) 10ins

WEIGHT 19kg (42lbs)

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