Detectomat · Accessories and Peripherals
Detectomat SPA500 DHU 500 W Class-D Audio Power Amplifier
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Product description
The SPA500 DHU is a 500 W Class-D audio power amplifier designed to drive 70 V and 100 V speaker lines. It supports 230 VAC mains and 24 VDC emergency power supplies; the product information gives different speaker impedance values of 4 Ω and 8 Ω.
Key features
- Automatic changeover between mains and emergency power supplies
- Full output power on the emergency power supply
- Short-circuit protection
- Replaceable input modules and adjustable input sensitivity
- Processor-controlled internal fault monitoring
- Signal outputs for earth fault and power amplifier failure
- Spare amplifier input
- Inputs for standby and spare mode changeover
- Front-panel signal and clipping LED indicators
- Front-panel status and fault LED indicators
- Part of the EN 54-16 certification
Technical specifications
| Mains supply | 230 VAC / 50 Hz |
|---|---|
| Mains operating current | 2,82 A |
| Output power | 500 W |
| Mains power consumption (idle) | 10,1 W |
| Mains power consumption (at rated power) | 648 W |
| Emergency operating voltage | 24 VDC |
| Emergency power consumption (idle) | 5,33 W |
| Emergency power consumption (standby) | 0,9 W |
| Emergency power consumption (at 1/8 power, speech/music) | 86 W |
| Frequency response | 80 Hz – 20 kHz (-3 dB/-3 dB) |
| Speaker outputs | 70 V, 100 V; impedance is listed inconsistently as 4 Ω and 8 Ω in the product information |
| Dimensions (H × W × D) | 19 inches, 2 HU, 345 mm depth (excluding connector) |
| Weight | 13 kg |
| Housing material | Anodised aluminium |
| Colour | Black |
Manufacturer's product number: 37068
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