The TOA TU-651M is a highly intelligible pressure driver unit for public address announcement applications.
Use the driver unit in combination with a suitable horn such as the TOA TH-650 or TH-660. (see related products.)
Rated IP65; suitable for use outdoors - its powder-coated finish and stainless steel screws ensure the unit is fully weatherproof.
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Rated Input |
50 W |
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Line Voltage |
100 V line or 70 V line |
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Tappings |
100 V line: 200 Ω (50 W), 330 Ω (30 W), 670 Ω (15 W) |
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Sensitivity |
110 dB (1 W, 1 m) (When operated with JIS C 5504 standard horn.) |
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Frequency Response |
150 Hz - 6 kHz (When operated with JIS C 5504 standard horn.) |
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Dust/Water Protection |
IP65 (When a driver is operated with a horn.) |
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Horn Coupling |
1 - 3/8 18 threads (inch screw) |
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Polarity |
Hot: Black, Com: White |
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Operating Temperature |
-20dC to +55dC (-4 ã‚œF to +131 ã‚œF) (no condensation) |
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Finish |
Aluminium, grey powder coating |
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Screws |
Stainless steel |
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Speaker cable |
Polyvinyl chloride insulated cable (6 mm (0.24") in diameter, 600 mm (23.62") in length) |
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Dimensions |
139 x 149 (D) mm (φ5.47" x 5.87") |
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Weight |
2.7 kg (5.95 lb) |
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Option |
Driver unit cover: UC-200A |
Aluminium horn flare, 500mm diameter. Use in conjunction with TU631M / TU651M pressure driver
Aluminium horn flare, 600mm diameter. Requires pressure driver - see TU631M or TU651M.
Pressure drive unit for TOA TH650 / TH660 horn flares. 30 watts, 100 volt line.
