Toa 312-ME-AV Instruction Manual

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 us­ed 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, w hen th e 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 con­tinuous 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 ter­minals 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 tran­sient response, and wide dispersion.

3. Magnetically "shielded" speaker components for inter­ference 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 f r e -

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) X 580(H) X 295(D) mm

Weight:

37.3

Ibs.

(16.9

Finish:

Charcoal gray

The center position of each attenuator ensures flat

response.

HIGH FREQUENCY ATTENUATOR

MID FREQUENCY ATTENUATOR

kg)

Installation

The units are symmetrical. Position each unit so that

the tweeter is put inward.

Characteristic Diagram (1W/1m:

Frequency Response

Mid & high level controls at center position
Mid & high level controls at MAX position

1/3

Octave Pink Noise)

Directional Frequency Response

Toa Electric Co., Ltd.

Printed in Japan

133-01-208-60