Product Details

Alpine V-Power Series 4/3/2 Channel Power Amplifier, Model MRPF450

Power up your system with Alpine’s all new V-Power amplifiers. These amps have an new aggressive design, but they not only look good they provide outstanding power, flexibility and value.

Features:

• 4/3/2 Channel Operation
  
• High Temperature Protection
  
• Overcurrent Protection
  
• Subsonic Filter
  
• Bass EQ Circuit
  
• Adjustable Crossover (HP/LP)
  
• MOSFET Power Supply
  
• DC-DC PWM Power Supply
  
• Discrete Pre-Amp Stage
  
• STAR Circuitry
  
• Auto Over-Current Protection
  
• MultiMode™
  
• Top Mounted Blue LED Power/Status Indicator
  
• Input Channel Selector
  
• Gold Plated RCA Input Connectors
  
• Continuously Adjustable Gain Control
  
• Speaker Level Inputs
  
• Gold Plated Power Screw Terminals
  
• Gold Plated Speaker Terminals
  
• 4-Layer Glass Epoxy PC Board

Specifications:

CEA-2006 Power Rating

• CEA-2006 Power Rating (40hm@14.4V = 1%THD+N), S/N 80dBA (Ref. 1W into 4Ohm): 70W x 4
  

RMS Power (at 14.4V THD+N, 20Hz-20kHz)

• Per channel into 4 ohms: 70W x 4 (0.08% THD)
  
• Per channel into 2 ohms: 140W x 4
  
• Brigded 4 ohms: 350W x 2 (0.3% THD)
  

Bass Engine® Sound Tuning

• Crossover Frequency: 50Hz - 400Hz HP/LP/Off(-12dB/oct)
  
• Subsonic Filter (Fixed): 15Hz
  
• Bass EQ Frequency (Fixed): 50Hz +12dB (Ch3/4) On/Off
  

General

• Power Requirements: 14.4V DC (11V to 16V)
  
• Fuse Type: 30A x 2
  
• Frequency Response: 10Hz - 50kHz (+0,-1dB)
  
• Signal to Noise (S/N): 100dBA (Reference to Rated Power)
  
• Input Sensitivity (For Rated Power): 0.2V to 4.0V (1.0 at Center Detent)
  
• Input Impedance: 10k Ohm
  
• Speaker Impedance: 4 or 2 ohm Bridged

Approximate Dimensions:

Heat Sink

• Width: 11-15/64"
• Height: 9-31/64"
• Depth: 2-23/64"

Foot Print

• Width: 13"
• Height: 9-31/64"
• Depth: 2-23/64"

Approximate Weight:

• Unit: 7 lbs 3 oz
• Shipping: 10 lbs

Downloadable (.pdf) File:

• Owners Manual
  

Warranty

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