Toa SM-25M Specification Sheet
TOA SPEAKER SYSTEM
POWERED MONITOR SPEAKER
SM-25M
GENERAL DESCRIPTION
The TOA SM-25M is a self-powered personal monitor system
designed around our popular SM-25A powered monitor
system. The SM-25M has a built-in 25-watt power amp, a 5-
inch woofer and a 2-inch tweeter. An automatic compression
circuit is provided to ensure maximum headroom and speaker
component protection.
The system features a mic level XLR input on the front panel, as
well as a rotary volume control, a tone control, and headphone
monitoring jack. Add to that a back panel with both a line level
1/4" input jack and a bridging jack for chaining additional
speakers, and the SM-25M becomes a portable PA monitor
system....just plug in a microphone and go. A unique bracket
allows the system to be mounted to mic stands, and even to
walls in permanent installations. The cast aluminum enclosure
is rugged enough to withstand even the roughest handling. The
SM-25M combines high performance, durability, and innovative design in portable package with a wide range of
applications.
FEATURES
1.
Built-in 25 watts power amplifier
2. Automatic compression circuit
3. Mic level XLR input
4.
Tone control
5.
Rotary
6. Headphone monitoring jack
7. Unique bracket
volume control
SPECIFICATIONS
ARCHITECT’S AND
ENGINEER’S
SPECIFICATIONS
CHARACTERISTIC
DIAGRAMS
Enclosure:
Speakers:
Sound pressure level:
Frequency response:
Amplifier:
Power requirements:
Power consumption:
Rated output power:
Mic input sensitivity:
Mic input impedance:
Mic input terminal:
The speaker system shall be a “powered” personal monitor
speaker system, with a built-in 25 watts power amplifier, and
one each of a 2-inch (5cm) tweeter and 5-inch (12cm) woofer.
An automatic compression circuit shall provide maximum
headroom while insuring the reliability of the speaker
components. The front panel shall provide for a mic level
XLR input, rotary volume control, tone control, and headphone monitoring jack. On the back panel both a line level
1/4" input jack and a bridging jack for chaining additional
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
Sealed type
2 way speaker of 12cm (5") and switchable
5cm (2") diameter
88dB (1W/1m)
90Hz~20kHz
AC mains
30W Bridge terminal: Locked 1/4" jack
25W Finish:
-55dB (1.38mV)
Open (For use with nominal 50-ohm
to 250-ohm) electronically balanced
XLR Type, NC3F
FREQUENCY RESPONSE (1W/1m)
Line input sensitivity:
Line input impedance:
Tone control (high cut):
Line input terminal:
Front panel:
Body:
Weight:
Dimensions:
and cymbal stand shafts. The cast aluminum enclosure shall
be rugged enough to withstand even the roughest handling.
In addition to the various specifications stated above, the
speaker system shall meet the following overall performance
and specifications criteria: sound pressure level of 88dB
(1W/1m); frequency response of 90Hz to 20kHz; rated output
power of 25W; front grill of black metal punching net;
dimensions of 6.7" (170mm) high, 128" (325mm) wide, 5.5"
(140mm) deep; weight of 13.9 Ibs(6.3kg). The speaker
-20dB (77.5mV) or +4dB (1.23V)
8k ohms, set at -20dB, 40k ohms
at +4dB
Transformer isolated balance
-15dB at 10kHz
Locked 1/4" jack
Metal Punched Net
Cast Aluminum (Black)
Approx. 6.3kg (13.9 Ibs.)
325 (W) x 170 (H) x 140 (D)mm
12.8" (W) x 6.7" (H) x 5.5" (D)
HARMONIC DISTORTION (1W/1m)
Frequency (Hz)
DIRECTIONAL FREQUENCY RESPONSE
POLAR RESPONSE
HORIZONTAL
DISPERSION
SCALE IS 10dB PER DIVISION.
Frequency (Hz)
(1W/1m)
500Hz
1 kHz
2kHz
4kHz
POWER AMP COMPRESSOR
VERTICAL
DISPERSION
SCALE IS 10dB PER DIVISION.
Frequency (Hz)
Input Voltage (V)
500Hz
1kHz
2kHz
4kHz
Printed in Japan 833-64-510-20
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