Alpine, R-A90S
R-Series 6/5/4/3-Channel Amplifier - RMS 4x75 W + 2x 150W or 4x 75W + 1x500W
Enjoy your music in Hi-Res quality with the R-A90S 6-channel R-Series amplifier. It is 1 of the most versatile 6-channel D-Class amplifiers on the market, with a "vibrating" channel solution with twice the power of a conventional channel, as well as built-in high-pass and low-pass filters to create every possible system.
The "R" series speakers and amplifiers have a unique volume that can be heard from a distance, and the new R-Series amplifier is no exception. In addition to best-in-class capabilities, these amplifiers are set to emphasize the frequencies of the R-Series speakers and subwoofers, highlighting the R-Series experience.
FEATURES
Install
- Terminal Layout: One side
- Small footprint for easy installation
- Screw terminals (for speaker and power cables)
General
- Amplifier Type: Class-D (Digital)
- Channel Design: 6/5/4/3 Channel Design with Ch 5 + 6 Power Stagger Feature
- Thermal Management Control
- Top Mounted LED Power / Status Indicator
- Speaker Level Input with remote turn on
- Crossover: Adjustable Low-pass (LPF), High-Pass Filter (HPF) and Band-Pass Filter
- Gain Control: Adjustable
- Bass EQ
- Remote Bass Control ( RUX-KNOB2 ) Ready
SPECIFICATIONS
Max Power Output Ratings
- Total Max Power: 1800W
RMS Power Ratings
- Per Channel into 2 Ohms, 14.4V (≤1% THD + N): 4 x 100W + 2 x 250W
- Per Channel into 4 Ohms, 14.4V (≤1% THD + N): 4 x 75W + 2 x 150W
- Per Channel into 4 Ohms, 14.4V (≤1% THD + N): 4 x 75W + 1 x 500W (bridged)
- Per Channel into 4 Ohms, 14.4V (≤1% THD + N): 2 x 150W + 1 x 500W (bridged)
Sound Tuning
- Variable HPF / HPF-H: 50Hz to 400Hz / 400Hz to 6kHz
- LPF: 50Hz to 400Hz
- BPF-L / BPF-H: 50Hz to 400Hz / 400Hz to 6kHz
General
- Power Requirements: 14.4 V.DC (9 - 16 V allowable)
- Input Sensitivity (RCA Input): Hi: 0.5V - 10V / Low: 0.2V - 4.0V
- High Level Input with automatic power on
- Cable size: Power Cable AWG 4, SPK Cable AWG 8
- Frequency Response (+ 0 / -3dB: 1W into 4 Ohms): 10Hz - 45kHz
- THD + N (@ 10W into 4 Ohms): <0.02%
- THD + N rated power into 4 Ohms): <0.03%
- Damping Factor:> 500 (ref. 10W into 4 Ohms at 100Hz)
- Signal to Noise (rated power into 4 Ohms):> 103dB (Ch 1-4) /> 106dB (Ch 5 + 6)
- Weight: 4.52kg
Dimensions
- Heat Sink (WxHxD) mm: 273 x 50.8 x 200
- With attached brackets (WxHxD) mm: 273 x 50.8 x 324