Brand TOA
Model TU-631M
Horn driver unit
Applicable Horns TH-650, TH-660
Rated Input 30 W
Rated Impedance 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)
Sensitivity 10 dB (1 W, 1 m) (When operated with JIS C 5504 standard horn.)
Frequency Response 150 Hz - 6 kHz (When operated with JIS C 5504 standard horn.)
Dust/Water Protection IP65
Operating Temperature -20 %%dC to +60 %%dC (-4 ゜F to +140 ゜F) (no condensation)
Color Gray
Dimensions 139 × 149 (D) mm (φ5.47" × 5.87")