Product Description
The TOA Electronics TU-631 is an outstanding driver unit designed for public address announcements. It offers high intelligibility, making it perfect for clear communication in public areas. Pair it with a suitable optional horn to get the best performance. This unit is built to last, with a powder-coated finish and stainless-steel screws that ensure excellent weatherproofing. Technical specs include applicable horns like TH-650 and TH-660, a 30 W rated input, 16 Ω rated impedance, 110 dB sensitivity (1 W, 1 m with JIS C 5504 standard horn), 150 Hz - 6 kHz frequency response (with JIS C 5504 standard horn), IP65 dust/water protection (when used with a horn), 1 - 3/8 18 threads (inch screw) horn coupling, black hot and white com polarity, an aluminum gray powder-coated flange, an ABS resin gray rear cover, stainless-steel screws, dimensions of 139 x 106 (D) mm (5.47” x 4.17”), a weight of 1.4 kg (3.09 lb), and options like the UC-200A driver unit cover and TM-30T, TM-60T matching transformers.
Using the TOA Electronics TU-631 is quite straightforward. First, connect it to a suitable horn, which you'll need to purchase separately. Make sure to match the polarity correctly, with the black wire for the hot connection and the white wire for the common connection. When installing, consider the location carefully, as the unit is weatherproof but still perform best in appropriate environments. For maintenance, regularly check the screws to ensure they're tight and inspect the powder-coated finish for any signs of damage. If you're using the optional driver unit cover, clean it gently with a soft cloth. Avoid exposing the unit to extreme temperatures or direct water pressure. When it comes to the matching transformers, follow the manufacturer's instructions for proper connection. And that's all you need to know to keep your TU-631 working great for a long time.
