TOA TU-631

The TU-631 is a highly intelligible driver unit suited to public address announcement applications. Use the driver unit in combination with a suitable horn (optional). Its powder-coated finish and stainless steel screws ensure the unit's weatherproof capability.

Applicable Horns TH-650 TH-660
Rated Input 30 W
Rated Impedance 16 Ω
Sensitivity 110 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 (When a driver is operated with a horn.)
Horn Coupling 1 - 3/8 18 threads (inch screw)
Polarity Hot: Black Com: White
Operating Temperature -20 %%dC to +60 %%dC (-4 F to +140 F) (no condensation)
Finish Flange: Aluminum gray powder coating
Rear cover: ABS resin gray
Screws: Stainless steel
Speaker cable: Polyvinyl chloride insulated cabtyre cable
(6 mm (0.24) in diameter 600 mm (23.62) in length)
Dimensions %%c139 106 (D) mm (φ5.47 4.17)
Weight 1.4 kg (3.09 lb)
Option Driver unit cover: UC-200A
Matching transformer: TM-30T TM-60T