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- Order number: 02001R-A90S
- EAN 4958043824960
Experience your music in Hi-Res with the R-A90S 6-channel R-Series amplifier. This is one of the most versatile Class-D 6-channel amplifiers on the market, with a unique variable power channel layout that offers twice the power on the last two channels. Built-in high-pass and low-pass filters allow installation of many types of sound systems.
The new R Series speakers and subwoofers have sound quality you can hear from the ground. The new R Series amps are no exception. Apart from the best performance in this class. These amplifiers are configured to best match the tonal characteristics of the R Series speakers and subwoofers.
The Alpine R-Series Sound Components
The R Series speakers and amps deliver astounding levels of power while delivering incredible sonic clarity for an absolutely fantastic sound.
They combine high output power and resilience with a broad frequency response and powerful bass. The R Series includes component and coaxial speakers, subwoofers, and now, for the first time, amplifiers.
Variable Power Design
The 5th and 6th channels of the R-A90S can be bridged for subwoofer operation. This means that the subwoofer system has up to 500 watts RMS at 4 ohms. The R-A90S has a unique power concept so that twice the power is available on the last two channels. This means you can set the amp to deliver 4x 75 watts + 2x 150 watts to drive 2 separate subwoofers. Or 4x 75 watts + 1x 500 watts with the corresponding power for a very powerful subwoofer.
An amplifier that grows with its tasks
Thanks to the unique variable power concept, the R-A90S can use different frequency bands on each channel compared to conventional multi-channel amplifiers to offer. The R-A90S can be used both as a 3-way active amplifier and as a 5-channel amplifier. This is possible because it routes the required frequencies exactly to the channels where they are needed.
Precise sound reproduction
Hear the subtle details that make your music so special. The R-A90S operates more of a very low phase shift across the entire frequency spectrum. This minimizes audible errors in playback and your content remains absolutely true to the original. With a high-resolution frequency response, the R-A90S can reproduce music and sounds incredibly accurately.
Exclusive Alpine technology
Features selected Alpine components taken from premium "X-Series" amplifier series Alpine, the R-A90S features a dual "Sierra" equalization process. This corrects the signal distortion so well that an output signal corresponds as closely as possible to the original signal as at the input.
The next step for an optimal system setup
Use the built-in bandpass, highpass, or lowpass filter to optimize each component in your Power the system individually and assign frequency bands for accurate and reliable sound reproduction.
Subwoofer remote control
For direct control of the subwoofers from the cockpit, you can use the < a style="color: #3d8dc7;" href="https://www.carfeature.de/en/hifi-navigation/accessories/brands-accessories/alpine/17399/alpine-rux-knob2-bass-remote-control" target="_self">RUX-KNOB2 Connect (sold separately) to the R-A90S (channel 5+6).
High flexibility and small footprint
Compact and powerful: The new digital amplification circuit enables high output power with a small footprint. The R-A90S measures just 324mm wide x 273mm long for easy installation. The logo plate can be adjusted to install the amplifier in landscape or portrait orientation.
Overheat Protection
In addition to Alpine's new intelligent amplifier platform, the R Series amplifiers feature an optimal heat sink and protection circuit. This ensures reliable music playback without any shutdowns.
Low & High-power speaker signal inputs
The 6-channel RCA/speaker signal inputs accept low and high power signals (connecting cable not included). In this way, you can connect the R-A90S directly to your original car radio, regardless of the output power of your car radio. The power terminal accepts wire up to 20 mm² (4 AWG).
Best performance with R-Series speakers
The R-A90S is a perfect match for the Alpine R Series speaker systems and subwoofers R-W12D2- and R-W10D2 Tuned to ensure perfect system building.
Equipment
Installation
- Type of connection: All connections on one side
- Small footprint for easy installation
- Screw terminals (for speaker and power cable
General
- Class-D (digital) amplifier
- Channels: 6/5/4/3 channel + channel 5+6 can be bridged
- Temperature monitoring: temperature management circuit
- Overhead LED power and status indicator
- High power inputs with automatic switch-on function
- Crossover: Adjustable low-pass filter (LPF), high-pass filter (HPF) and band-pass filter
- Input Sensitivity: Adjustable
- Bass EQ
- Bass remote: RUX-KNOB2 (sold separately)
Specifications
Maximum power output
- Max. Power: 1200W
RMS power
- per channel at 2 ohms, 14.4 V (≤1% THD + N): 4x 100 W + 2 x 250 W
- per channel at 4 ohms, 14.4 V (≤1% THD + N): 4x 75 W + 2 x 150 W
- per channel at 4 ohms, 14.4 V (≤1% THD + N): 4x 75 W + 1 x 500 W (bridged)
- per channel at 4 ohms, 14.4 V (≤1% THD + N): 2x 150 W + 1 x 500 W (bridged)
Sound Tuning
- Crossover: Variable HPF/HPF-H: 50 Hz - 400 Hz / 400 Hz - 6 kHz
- LPF: 50Hz - 400Hz
- BPF-L / BPF-H: 50Hz - 400Hz / 400Hz - 6kHz
General
- Power supply: 14.4 V.DC (9 - 16 V)
- Input sensitivity (RCA input): Hi: 0.5V - 10V / Low: 0.2V - 4.0V
- High level input with auto power on
- Cable gauge: Power cable 4 AWG (20 mm²), LS cable 8 AWG (8 mm²)
- Frequency response (+0/ -3 dB: 1 W into 4 ohms): 10 Hz - 45 kHz
- THD+N (@ 10W into 4 ohms): <0.02%
- THD+N rated power into 4 Ohms): <0.03%
- Damping factor: >500
- Signal-to-noise ratio (at 4 ohms): >103 dB (Ch 1-4) / >106 dB (Ch 5+6)
- Weight: 4.52 kg
Dimensions
- Heatsink with cover: 273 x 50.8 x 324
quantity: | 1 piece |
Housing color: | black |
Impedance (in Ohm): | 2,0 |
Channels: | 6 |
Peak Power (in Watt): | 1200 |
Power RMS (in Watt): | 900 |
Product group: | Amplifier |
Amplifier Features: | bass remote (optional), bridgeable, digital, High-Level-Input |