ลำโพงฮอร์น ยี่ห้อ TOA  รุ่น TH-660

The TH-660 is a speaker horn to be used in combination with an optional driver unit. Its powder-coated finish, and stainless steel screws ensure the unit’s weatherproof capability.

Specifications

• Applicable Drivers  : TU-631, TU-631M, TU-651, TU-651M
• Sensitivity : 110 dB (1 W, 1 m) (When operated with a driver.)
• Frequency Response  :  200 Hz – 6 kHz (When operated with a driver.)
• Dust/Water Protection  : IP65 (When operated with a driver.)
• Driver Coupling : 1 – 3/8 18 threads (inch screw)
• Operating Temperature : -20 ℃ to +55 ℃ (must be free from dew condensation)
• Finish   : Horn flare and flange: Aluminum, off-white, powder coating  / Reflector horn: ABS resin, off-white  / Bracket holder: Aluminum, gray, powder coating  / Bracket: Steel, gray, powder coating  / Screws and boits: Stainless steel
• Dimensions  :  φ600 × 425 (D) mm
• Weight 3.6 kg