TOA
TU-660M Driver Unit 60W (with Transformer)
Datasheet
Product Overview
The TU-660M is a highly intelligible driver unit suited to public address announcement applications. It is designed for use in combination with a suitable horn (option). Its powder-coated finish and stainless steel screws ensure the unit's weatherproof capability. The unit also employs a newly developed ring diaphragm that enhances its high-frequency characteristics.
Key Features
- High quality sound
- High SPL
- High durability
Specifications
| Horn Coupling | 1-3/8 18 threads (inch screw) |
| Rated Input | 60 W |
| Impedance | 100 V line: 170 Ω (60 W), 330 Ω (30 W), 670 Ω (15 W) 70 V line: 83 Ω (60 W), 170 Ω (30 W), 330 Ω (15 W), 670 Ω (7.5 W) |
| Sensitivity | 110 dB (1 W, 1 m) (When operated with JIS C 5504 standard horn.) |
| Frequency Response | 150 Hz - 8 kHz (When operated with JIS C 5504 standard horn.) |
| Water Protection | IP65 (When a driver is operated with a horn.) |
| Operating Temperature | -20° to +55 °C (-4 °F to +131 °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") diameter, 600 mm (23.62") length) |
| Dimensions | Ø139 x 151 (D) mm (Ø5.47" x 5.94") |
| Weight | 2.7 kg (5.95 lb) |
| Optional Accessories | Driver unit cover: UC-200A |
Dimensions
Front View:
Diagram showing the front of the driver unit with mounting points.
Side View:
Diagram showing the side profile of the driver unit with dimensions Ø139 x 151 mm (Ø5.47" x 5.94").
Rear View:
Diagram showing the rear of the driver unit with wiring connections and impedance selector.
Wiring Diagram:
Diagram illustrating the wiring connections for different impedance settings (16 Ω, 83 Ω, 170 Ω, 330 Ω, 670 Ω) for both 70 V and 100 V lines. Includes a caution to never set the switch to the 100 V line position for 70 V operation to avoid damage.
Impedance Selection:
Instructions on how to set the impedance selector to the desired impedance.
Note: Numerical values in parentheses are for reference only.
A&E Specifications
The driver unit is designed for broadcasting speech and music internally and externally, featuring a smooth frequency response from 150 Hz to 8 kHz. It produces a Sound Pressure Level (SPL) of 110 dB on axis at 1 meter with a 1-watt power input and can handle 60 watts of continuous power. The unit includes an integral 60-watt dual voltage line transformer for 70 V or 100 V applications. It offers four impedance levels for 70 V line (83 Ω, 170 Ω, 330 Ω, 670 Ω) and three for 100 V line (170 Ω, 330 Ω, 670 Ω). The driver unit utilizes a newly developed polyimide ring-type diaphragm for improved frequency characteristics. The housing consists of a grey aluminum, powder-coated flange and an ABS resin rear cover, complying with IP65 dust and water ingress protection rating when operated with a standard horn. The unit operates within a temperature range of -20 °C to +55 °C (-4 °F to +131 °F) and weighs 2.7 kg (5.95 lb). Dimensions are Ø139 x 151 mm (Ø5.47" x 5.94"). Applicable horns include the TH-650 and TH-660 manufactured by TOA Corporation. An optional driver unit cover, UC-200A, is also available from TOA Corporation.
Manufacturer: TOA Corporation
Model: TU-660M
