ALPINE MRV-M250
Overview
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Total Max Power: 550 W
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250W RMS x 1 (2Ω, 14.4V, ≤1% THD+N)
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150W RMS x 1 (4Ω, 14.4V, ≤1% THD+N)
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Evolution to Class D digital platform
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New snap-on terminal covers for easy installation
Features & Specifications
Features
Install
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Terminal Layout: Two-Sided
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Mounting Screw Terminals
General
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Amplifier Type: Class-D (Digital)
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Channel Design: 1 Channel (Mono)
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Power Supply Design: DC-DC PWM Power Supply
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Power Supply: MOSFET
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Pre-Amp Stage: Discrete
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Final Outputs: Power MOSFET
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Crossover: Variable Lowpass Filter
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Gain Control: Continuously Adjustable Gain Control
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Bass EQ: Bass EQ Function
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Bass Control: Remote Bass Control (RUX-KNOB) Ready
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Remote Turn On: Remote Sensing Function (for Speaker Level Input)
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Low-impedance Possibility
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Current Protection: Over-Current, Over-Voltage, Under-Voltage and Thermal Protection
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Board Circuitry: S.T.A.R. Circuit
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Speaker-Level Inputs: 4-channel Speaker Level Inputs
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Power Indicator: LED Power Indicator
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Thermal Control: Multi-stage Power Limits
Specifications
Max Power Output Ratings
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Total Max Power: 550 W
RMS Power Ratings
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Per channel into 4 Ohms: 150W RMS x 1 (14.4V at <1% THD+N)
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Per channel into 2 Ohms: 250W RMS x 1 (14.4V at <1% THD+N)
Sound Tuning
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Crossover Frequency (LPF): 50 - 400 Hz, -24dB/oct.
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EQ (Equalizer): 0 to +12dB, fc=50Hz
Dimensions
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Foot Print (WxHxD) mm: 190 x 55 x 200 mm
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Heat Sink (WxHxD) mm: 155 x 55 x 200 mm
General
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Power Requirements: 14.4 V.DC (11-16V allowable)
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Input Sensitivity (RCA Input): 0.15 - 4.0 V
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Input Sensitivity (Speaker Level Input): 0.4 - 10 V
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Input Impedance: >10k ohms
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Frequency Response (+0, -3dB: 1W into 4 Ohms) for Subwoofer: 7 -400 Hz
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THD+N (10W into 4 Ohms): 0.02 %
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THD+N (10W into 2 Ohms): 0.03 %
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THD+N (Rated Power into 4 Ohms): 0.2 %
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THD+N (Rated Power into 2 Ohms): 0.3 %
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Damping Factor (10W into 4 Ohms at 100Hz): >500
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Signal to Noise (1W into 4 Ohms): >85 dB
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Signal to Noise (Rated Power into 4 Ohms): >105 dB
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Remote Level: -20 to 0 dB
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Weight: 1.5 kg