Alpine R-A90S Amplifier Tech Sheet 2 Pages
Alpine R-A90S, a versatile 6-channel amplifier, delivers dynamic and accurate sound reproduction for an immersive musical experience. With Alpine's custom components, it achieves high power output, providing 75W RMS x 4 channels and 150W RMS x 2 channels. It can be bridged to provide up to 200W RMS x 2 channels or 500W RMS x 1 channel for powerful subwoofer systems. The R-A90S also features variable crossovers and filters, allowing for precise tuning and system integration. It's an excellent choice for building a high-quality audio system with flexibility and power.
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R-A90S
R-Series 6/5/4/3 Channel Power Amplifier
PRODUCT OVERVIEW
Experience your music in Hi-Res with the versatile R-A90S 6-Channel Amplifier for hair-raising details that puts you in the center of the performance. Utilizing custom Alpine internal components, this powerhouse amp is able to achieve remarkable levels of staggered output with precision accuracy and dynamics.
PRODUCT FEATURES
A 6-Channel Amp with 5-Channel Power – With double the power on the last two channels, the R-A90S’s 5th and 6th channels can be bridged to provide up to 500 watts at 4ohms to a subwoofer system such as a pair of S-SB12V’s.
An Amp That Grows with You – When you’re ready to upgrade your Alpine system, use the R-A90S to amplify a 3-way active system with enough mid-bass power to create the up-front bass impact you crave.
Accurate Sound Reproduction – With incredibly low phase shift and hiresolution frequency response, the R-A90S can reproduce sound with incredible accuracy that stays true to the artist’s intention.
POPULAR SYSTEMS
5-CH
S-SB12V + KTX-H12 + S-SB12V
6-CH (3-Way Active)
R-A90S
R-A90S www.alpine-usa.com
R-S65.2
R-S69C.2
R-S69C.2
@alpineusa
30MC
R-A90S
R-Series 6/5/4/3 Channel Power Amplifier
FREQUENCY RESPONSE (Ch 1-6)
10.75” 2”
8.25”
PERFORMANCE SPECS
Power Output
THD+N
S/N Ratio
Frequency Response
Damping Factor
Crossover
Per Channel, Ref.: 4Ω, 14.4V
Per Channel, Ref.: 2Ω, 14.4V
Bridged, Ref.: 4Ω, 14.4V
Ref.: 10W into 4Ω
Ref.: 10W into 2Ω
Ref.: Rated Power into 4Ω
Ref.: Rated Power into 2Ω
IHF A-wtd + AES-17
Ref.: 1W into 4Ω
IHF A-wtd + AES-17
Ref.: Rated Power into 4Ω
+0/-3dB, Ref,: 1W into 4Ω
+0/-1dB, Ref,: 1W into 4Ω
Ref.: 10W into 4Ω at 100Hz
Variable HPF/HPF-H/LPF
Variable HPF/BPF
CH-1/2/3/4
75W RMS x 4
100W RMS x 4
200W RMS x 2
≤0.03%
≤0.05%
≤0.3%
≤1.0%
>85dB
>103dB
10Hz - 45kHz
20Hz - 20kHz
>500
CH-1/2
HPF: 50Hz - 400Hz
HPF-H: 400Hz - 6kHz
CH-3/4
HPF: 50Hz - 400Hz
BPF-L: 50Hz - 400Hz
BPF-H: 400Hz - 6kHz
CH-5/6
150W RMS x 2
250W RMS x 2
500W RMS x 1
≤0.03%
≤0.05%
≤0.3%
≤1.0%
>85dB
>106dB
10Hz - 45kHz
20Hz - 20kHz
>500
LPF: 50Hz - 400Hz
_ www.alpine-usa.com
@alpineusa
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