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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