Thông số kỹ thuật:

Electrical

Mains power supply
Voltage 115 or 230 VAC ±15%, 50/60 Hz
Power consumption** standby - idle* - Pmax
DPA4250 1 W – 44 W – 1169 W
**(Total Mains-power consumption @ 230 VAC)
*(Alarm cycle + 10 V pilot-tone @ 24 VDC)
Battery power supply
Voltage 19-30 VDC
Power consumption*** standby - idle* - Imax
DPA4250 0.03 A – 1.65 A – 43.85 A
***(Total DC-current @ 24 VDC)
*(Alarm cycle + 10 V pilot-tone @ 24 VDC)
Line inputs 4 x (One per channel)
Connector 3-pin phoenix
Frequency response +/-3 dB @ 50 Hz and 20 kHz
S/N > 90 dB
THD < 0,1% @ 1 kHz
Input sensitivity 770 mV
Input impedance 20 kOhm
Loudspeakers outputs DPA4250
Rated load resistance 40 ohm (100 V)
Rated load capacitance 120 nF (100 V)
Rated output power
(per channel) 250 W (cont. at 40°C)
Two channels bridged 500 W (cont. at 40°C)
Frequency response 40 Hz to 20 kHz(-3 dB)
S/N >90 dB (no pilot tone)
Crosstalk <70 dB at nominal load for 1 kHz
Distortion <0,1% (@ 1 kHz) @ -10dB of rated outputpower
Mechanical
Dimensions (H x W X D) 19” rack use, with brackets 88,5 x 483 x 370 mm
Weight : DPA 4250 18 kg (40 lb)
Mounting 19”-rackmount
Colour RAL7016
Environmental
Operating temperature -5 ºC to +55 ºC (+23 ºF to +131 ºF)
Storage temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF)
Relative humidity 15% to 90%
Air pressure 600 to 1100 h Pa.

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