Power amplifier SPA250 DHU

switchingrack-mountadjustable

Class-D power amplifier, 230VAC and 24VDC, 100V, 70V or 8 Ohms • Class-D power amplifier in PWM technology for 70 V, 100 V or 4 Ohm loudspeakers • Properties better than IEC 268.3 • Automatic switching between mains and emergency power operation • Full output power in emergency power operation • Rear power switch (inrush current limitation) • Short-circuit proof • Interchangeable input modules with adjustable input sensitivity • Internal processor-controlled fault monitoring • Power outputs with plug-in control • Signalling outputs for earth faults and power amp faults • Backup amplifier input • Inputs for standby and backup switching • Signal and clip display via LEDs on the front panel • Front status and fault display via LEDs • Rated voltage (mains operation) 230 VAC / 50 Hz • Rated current 1.38 A • Output power 250 W • Power consumption with mains operation at rest 9.9 W • at rated power 318 W • Operating voltage (emergency power operation) 24 VDC • Power consumption (emergency power operation) at rest 5.23 W • at standby 0.9 W • at 1/8 power (speech / music) 47 W • Frequency response (-3 dB/-3 dB) 80 Hz – 20 kHz • Part of the EN54-16 certification