Alpine R-A90S R-Series 6/5/4/3 Channel Hi-Res Audio Power Amplifier

by Alpine
$779.00
SKU R-A90S

Features

  • All-new Advanced Digital Design
  • Compact Chassis
  • Easy Access Controls
  • Low-level RCA Inputs and High-level Speaker Inputs
  • Bandpass Filter
  • Superior Sound Stage
  • Bridgeable
  • Bass EQ
  • High Pass/High Pass High/Low Pass Filters (HPF/HPF-H/LPF)
  • Thermal Protection
  • Rotatable Alpine Badge
  • Remote Bass Knob Ready (RUX-KNOB.2)
  • Hi-Res Audio Certified

Specifications

Output

  • Output Channels: 6 Channels

RMS Power Ratings

  • Power (@14.4V 1% THD)
    • 75W RMS x 4 +150W RMS x 2 [4Ω@14.4V]
    • 100W RMS x 4 +250W RMS x 2 [2Ω@14.4V]
    • 200W RMS x 2 +500W RMS x 1 [4Ω@14.4V]
  • THD+N (Reference: 10W / rated power into 4 ohms): 0.03% (CH-1/2/3/4)
  • THD+N (Reference: 10W / rated power into 2 ohms): 0.05% (CH-1/2/3/4)
  • THD+N (Reference: 10W / rated power into 4 ohms): 0.03% (CH-5/6)
  • THD+N (Reference: 10W / rated power into 2 ohms): 0.05% (CH-5/6)
  • S/N Ratio: (IHF A Weighted, Reference: rated power into 4 ohms): >103 dB (CH-1/2/3/4)
  • S/N Ratio: (IHF A Weighted, Reference: rated power into 4 ohms): >106 dB (CH-5/6)
  • S/N Ratio: (IHF A Weighted, Reference: 1W into 4 ohms): >85 dB (CH-1/2/3/4)
  • S/N Ratio: (IHF A Weighted, Reference: 1W into 4 ohms): >85 dB (CH-5/6)
  • Damping Factor (Reference: 10W into 4 ohms at 100Hz): >500 (CH-1/2/3/4)
  • Damping Factor (Reference: 10W into 4 ohms at 100Hz): >500 (CH-5/6)

Input Impedance

  • Input Impedance: 10k ohms (CH-1/2/3/4)
  • Input Impedance: 10k ohms (CH-5/6)

Frequency Response 

  • Frequency Response: 10Hz-45kHz (+/-3dB) (CH-1/2/3/4)
  • Frequency Response: 10Hz-45kHz (+/-3dB) (CH-5/6)
  • Frequency Response: 10Hz-45kHz (+/-1dB) (CH-1/2/3/4)
  • Frequency Response: 10Hz-45kHz (+/-1dB) (CH-5/6)

Dimensions

  • Dimensions (WxHxD): 273 x 50.8 x 322mm

Weight

  • Weight: 4.52kg