Rainbow 271023, Руководство по установке, Страница: 2 / 12

Technical specifications DPA 1.2500
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Digital power amplifier (class D) with integrated peak current MOSFET switch-mode power
supply.
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Double amplifier output for double voice coil-subwoofer, 1 Ω stable.
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Amplification with very low noise.
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Pre-amplification input dissymmetrical used for optimum interference suppression.
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Additional pre-amplification output „Line Out“ for active crossover or additional amplifier.
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Input level control „Level“ infinitely adjustable.
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Sub Level Control infinitely adjustable through cable remote control.
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Active crossover, low-pass, 35 Hz – 250 Hz 24 dB/oct. on/off switch.
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Active crossover, subsonic 15 Hz – 35 Hz 18 dB/oct. on/off switch.
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Bass boost at 45 Hz, up to + 18 dB infinitely adjustable.
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Reversible disconnection cut off with thermal protection.
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Disconnection cut-out at d.c. for speakers.
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Disconnection cut-out at speaker short circuit and speaker under-impedance
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Protect and Overload display with red and yellow LED.
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Gold-plated fuse carrier with 80 A fuse, replaceable from outside.
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Soft start remote muting to suppress switch-on peaks.
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Low power requirement for remote muting circuit.
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Conforming to standard gold-plated power connection up to 35 mm² and speaker connection
up to 10 mm².
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High-tech assembly in semi-SMD design with low coupling bar function.
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Noise immune due to homologation with officially approved new „e“ standard and
CE certificate.
Technical dates DPA 1.2500
Peak load 1 x 2500 watt
Output 1 x 560 watt rms on 4 Ω
Output 1 x 750 watt rms on 2 Ω
Output 1 x 1200 watt rms on 1 Ω
Total harmonic distortion 0,04 % (1kHz / 1 watt)
Signal-to-noise ratio >80 dB / A-assessment
Transmission range – 3 dB 10 Hz – 500 Hz
Input sensitivity Line Input 200 mV – 6 V
Input impedance Line Input 22 k Ω
Connection impedance 1 Ω , 2 Ω or 4 Ω possible
Attenuation constant >500 on 4 Ω
Operating voltage 11 V – 16 V DC
Power consumption max./ Impulse power consumption 95 A / 200 A
Efficiency 91 % at 13.8 V DC
Short-circuit fuse – overload immediate disconnection
Temperature monitoring cooler 85 °C disconnection
Soft start muting on/off 2s switch-on delay
Dimensions: b x h x d 382 x 226 x 54 mm
Weight 5,0 kg
Approval number e13 and CE
Active controls:
Low-pass 35 Hz – 250 Hz infinitely adjustable, 24 dB dB/oct.
Subsonic filter 15 Hz – 35 Hz infinitely adjustable, 18 dB/oct.B
Bass boost 45 Hz, up to + 18 dB infinitely adjustable
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