Martin-audio Effect 3R 电影院系列音箱

The Effect 3R is a two-way passive cinema surround system, designed to produce smooth, full-range surround sound. It may be installed in medium sized cinemas, screening rooms and under-balcony applications.

This reduced height enclosure is ideally suited for installation in rooms with a low ceiling.

FEATURES

Two-way passive design

THX™ approved

Reduced height for low ceiling cinemas

TECHNICAL SPECIFICATIONS

TYPE：Two-way passive, reflex enclosure

FREQUENCY RESPONSE (1)：80Hz-20kHz ±3dB

LOW FREQUENCY LIMIT：-10dB @ 50Hz

DRIVERS：8" (200mm) bass-mid driver
         1" (25mm) dome tweeter on waveguide

RATED POWER (2)：100W AES, 400W peak

RECOMMENDED AMPLIFIER：75-150W into 8 ohms

SENSITIVITY (3)：91dB 1 Watt/1 metre

MAXIMUM SPL (4)：109dB continuous, 115dB peak

IMPEDANCE：8 ohms nominal (flat response)
           6 ohms nominal (SMPTE/ISO 2969 X- curve)

DISPERSION (-6dB)：90° horizontal, 90° vertical

CROSSOVER：2.5kHz passive
           Externally selectable flat or
           SMPTE/ISO 2969 X-curve

ENCLOSURE：24 litre (0.75cu foot) particle board construction

FINISH：Black texture

PROTECTIVE GRILLE：Black acoustically transparent cloth grille

CONNECTORS：2-way binding posts

FITTINGS：4 x M4 teenuts on rear for ‘keyhole’ brackets
          2 x keyhole plates
          2 x M8 threaded inserts for wall bracket
          1 x wall bracket (optional)

DIMENSIONS：(W) 520mm x (H) 300mm x (D) 284mm
            (W) 20.5ins x (H) 11.8ins x (D) 11.2ins

WEIGHT：13.0kg (27lbs)