Toa 312-ME-AV Manuel utilisateur

PROFESSIONAL SOUND SYSTEM

Speaker System

Model 312-ME-AV

GENERAL DESCRIPTION

The TOA 312-ME-AV is a 3-way reference monitor with

numerous applications in small and medium size recording

studios, A/V houses, and control rooms of broadcast

facilities. Due to the magnetically "shielded" components us-

ed in the 312-ME-AV, the speaker enclosure may be phy-

sically located adjacent to color televisions and video

monitors with no degradation in video quality. (Magnetic

fields emitted by unshielded systems may cause distortion

and break-up of the video image, when the speaker is placed

in close proximity to a video monitor.)

The 312-ME-AV is a bass-reflex type enclosure, with a

11"(28 cm) woofer, a 4.7"(12cm) midrange cone speaker, and

a 1.2"(3cm) titanium dome tweeter, with diffuser for excellent

high frequency response.

A tight, symmetrical component arrangement ensures good

image localization for close-in monitoring, as well as smooth

frequency response, low distortion, monitoring, as well as

smooth frequency response, low distortion, wide dispersion,

and superb transient response.

The 312-ME-AV will handle a maximum of 135 watts of con-

tinuous program material. It features both a high frequency

attenuator and a mid frequency attenuator, both conveniently

located on the front panel, as well as push-type input ter-

minals and a removeable front grille. The wooden enclosure

is finished in charcoal gray vinyl sheeting.

FEATURES

1 Three-way system.

2. Smooth frequency response, low distortion, superb tran-

sient response, and wide dispersion.

3. Magnetically "shielded" speaker components for inter-

ference free video monitoring.

4. 11"(28 cm) heavy duty cone woofer.

5. 4.7"(12cm) midrange cone speaker and 1.2"(3cm)

titanium dome tweeter with diffusers for excellent high fre-

quency response.

6. Symmetrical component arrangement enhances stereo

imaging.

7 Push-type input terminals.

8. Removeable front grille.

9. Convenient mid and high frequency attenuators.

10. Compact and rugged.

.

.

Specifications

Enclosure:

Vented (bass reflex) type

Speakers:

Magnetically shielded type

Low Frequency 11" (28cm) cone woofer

Mid Frequency, 4.7" (12cm) cone speaker

High Frequency, 1.2" (3cm) titanium dome tweeter

Power Handling Capacity:

Continuous Pink Noise: 45 Watts RMS of band-limited pink

noise (50Hz-20kHz)

Continuous Program: 135 Watts

Impedance:

8 ohms

Sensitivity:

91 dB (1W/1m)

Attenuators

Frequency Response:

40Hz-20kHz

Crossover Frequency:

500 Hz, 5 kHz

High and Mid Frequency Attenuator:

0dB

to-10

dB

Input Terminal:

Push-type

Dimensions:

13.2"(W)X22.8"(H)X11.6"(D)

335(W)X580(H)X295(D) mm

Weight:

37.3

Ibs.

(16.9

kg)

Finish:

Charcoal gray

The center position of each attenuator ensures flat

response.

HIGH FREQUENCY ATTENUATOR

MID FREQUENCY ATTENUATOR

Installation

The units are symmetrical. Position each unit so that

the tweeter is put inward.

Characteristic Diagram (1W/1m:

1/3

Octave Pink Noise)

Frequency Response

Directional Frequency Response

Mid & high level controls at center position

Mid & high level controls at MAX position

ToaElectricCo., Ltd.

Printed in Japan

133-01-208-60

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