TOA | TC-631 | Specification Sheet | TOA TC-631 Specification

TOA TC-631 Specification
TC-631/631M
Reflex Horn Speakers
APPEARANCE AND
DIMENSIONAL DIAGRAM
463 (18.23")
37 (1.46")
100
(3.94")
600 (23.62")
ø500 (ø19.69")
375 (14.76")
BLK WHT
3–ø11 (ø0.43")
206 (8.11")
51 (2.01")
51 (2.01")
Unit: mm
DESCRIPTION
TOA's TC-631 and TC-631M Reflex Horn Speakers, rated at 30W, are designed for both indoor and outdoor paging
applications, as well as for background music reproduction. The "M"-type model is designed for use in high-impedance
(70V/100V lines) system and standard model for low-impedance 16 ohms system.
TC Series speakers feature newly developed diaphragms employing special heat-resistant polyimide film to prevent the
diaphragm from absorbing moisture and changing shape, as well as to improve the low frequency characteristics. High speaker
efficiency has also been realized by minimizing the gap produced when the diaphragm bobbin is installed in the magnetic
circuitry slit.
Both speakers are designed to ensure high speech clarity and sound quality suitable for music reproduction.
External hardware (screws, bolts, nuts) are made of stainless steel, and the mounting bracket and the horn itself are treated
with 50-micron thick powder paint coating which is about three times thicker than that of the conventional horns. All of these
factors combine to ensure the speaker's excellent weatherproofing and corrosion resistance. In addition, the external horn flare
is made of aluminum that is more shock-resistant than resin.
High-impedance model is equipped with an input impedance selector switch (4 steps for 100V line, and 5 steps for 70V line)
which facilitates the ease of impedance settings without requiring disassembly. The switch is also equipped with an OFF
position to prevent speaker damage resulting from incorrect impedance setting.
FEATURES
• Stainless steel hardware(screws, bolts, nuts), and powder-coated horn and bracket ensure superb weatherproofing and
corrosion-resistance.
• Shock-resistant aluminum round horn.
• Compliance with IP65.
• High-impedance (70V/100V lines) model and low-impedance 16Ω/30W model available.
• Power ratings: 30W.
• Panel-mounted input impedance selector on high-impedance models facilitates the ease of input impedance matching.
• Unobtrusive two-tone colors (off-white horn corresponding to RAL 9010 and gray driver unit corresponding to RAL7042)
helps speakers blend into surroundings.
TOA Corporation TC-631/631M 1/2
SPECIFICATIONS
TC-631
Rated Input
Line Voltage
Rated Impedance
30 W
—
16 Ω
Sensitivity
Frequency Response
IP Code
Polarity
Operating Temperature
Finish
Dimensions
Weight
[dB]
120
TC-631M
30 W
100 V line or 70 V line
100 V line: 330 Ω (30 W), 670 Ω (15 W),
1 kΩ (10 W), 2 kΩ (5 W)
70 V line: 170 Ω (30 W), 330 Ω (15 W), 670 Ω (7.5 W),
1 kΩ (5 W), 2 kΩ (2.5 W)
110 dB (1 W, 1m)
200 – 6,000 Hz
IP 65
Hot: Black, Com: White
-20°C to +60°C (must be free from dew condensation)
Horn flare: Aluminum, off-white, powder coating
Reflector horn: ABS resin, off-white
Bracket holder: Aluminum, gray, powder coating
Bracket: Steel, gray, powder coating
Rear cover: ABS resin, gray
Screw and bolts: Stainless steel
Speaker Cable: Polyvinyl chloride insulated cabtyre cable
(6 mm in diameter, 600 mm in length)
ø500 × 463 (D) mm
4.5 kg
4.1 kg
Polar Response
Frequency Response (1W/1m)
0°
10
330°
30°
110
0
-10
100
60°
300°
SPL
-20
-30
90
-40
270°
90°
80
-40
-30
70
100
500
1k
5k
10k
Frequency
20k
[Hz]
-20
120°
240°
-10
0
150°
Beamwidth vs. Frequency (-6dB down point)
[deg]
200
Beamwidth
210°
10
180°
2000Hz
1000Hz
500Hz
0°
10
330°
30°
100
0
-10
50
60°
300°
-20
-30
-40
270°
90°
10
20
50
100
500
1k
5k
10k
Frequency
[Q]
100
-40
20k
[Hz]
-30
Directivity Factor vs. Frequency
-20
120°
240°
-10
0
50
150°
210°
Directivity Factor
10
8000Hz
4000Hz
10
5
1
20
50
100
500
1k
Frequency
5k
10k
20k
[Hz]
TOA Corporation
www.toa.jp
TOA Corporation TC-631/631M 2/2
Specifications are subject to change without notice.
(0806) 833-62-252-1A u
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