TOA sm-25m Техническое Руководство

FEATURES

1. Built-in 25 watts power amplifier
2. Automatic compression circuit

3. Mic level XLR input
4. Tone control

5. Rotary volume control
6. Headphone monitoring jack
7. Unique bracket

SPECIFICATIONS

Enclosure:
Speakers:

Sound pressure level:
Frequency response:
Amplifier:

Power requirements:
Power consumption:
Rated output power:
Mic input sensitivity:
Mic input impedance:

Mic input terminal:

Sealed type

Line input sensitivity:

-20dB (77.5mV) or +4dB (1.23V)

2 way speaker of 12cm (5") and

switchable

5cm (2") diameter

Line input impedance:

8k ohms, set at -20dB, 40k ohms

88dB (1W/1m)

at +4dB

90Hz~20kHz

Transformer isolated balance

Tone control (high cut):

-15dB at 10kHz

AC mains

Line input terminal:

Locked 1/4" jack

30W

Bridge terminal:

Locked 1/4" jack

25W

Finish:

-55dB (1.38mV)

Front panel:

Metal Punched Net

Open (For use with nominal 50-ohm

Body:

Cast Aluminum (Black)

to 250-ohm) electronically balanced Weight:

Approx. 6.3kg (13.9 Ibs.)

XLR Type, NC3F

Dimensions:

325 (W) x 170 (H) x 140 (D)mm

12.8" (W) x 6.7" (H) x 5.5" (D)

ARCHITECT’S AND

The speaker system shall be a “powered” personal monitor

and cymbal stand shafts. The cast aluminum enclosure shall

ENGINEER’S

speaker system, with a built-in 25 watts power amplifier, and

be rugged enough to withstand even the roughest handling.

one each of a 2-inch (5cm) tweeter and 5-inch (12cm) woofer.

In addition to the various specifications stated above, the

SPECIFICATIONS

An automatic compression circuit shall provide maximum

speaker system shall meet the following overall performance

headroom while insuring the reliability of the speaker

and specifications criteria: sound pressure level of 88dB

components. The front panel shall provide for a mic level

(1W/1m); frequency response of 90Hz to 20kHz; rated output

XLR input, rotary volume control, tone control, and head-

power of 25W; front grill of black metal punching net;

phone monitoring jack. On the back panel both a line level

dimensions of 6.7" (170mm) high, 128" (325mm) wide, 5.5"

1/4" input jack and a bridging jack for chaining additional

(140mm) deep; weight of 13.9 Ibs(6.3kg). The speaker

speakers shall be also provided. A unique bracket shall

system shall be a TOA Model SM-25M.

allow the speaker system to be mounted on walls, mic stands

CHARACTERISTIC

DIAGRAMS

FREQUENCY RESPONSE (1W/1m)

Frequency (Hz)

DIRECTIONAL FREQUENCY RESPONSE

POWER AMP COMPRESSOR

POLAR RESPONSE

Frequency (Hz)

(1W/1m)

HORIZONTAL
DISPERSION

VERTICAL

DISPERSION

500Hz

1 kHz

2kHz
4kHz

SCALE IS 10dB PER DIVISION.

HARMONIC DISTORTION (1W/1m)

Frequency (Hz)

Input Voltage (V)

500Hz

1kHz

2kHz
4kHz

Printed in Japan 833-64-510-20