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ALPINE R-A90S
R Series 6/5/4/3 car amplifier 75 watts RMS x 4 at 4 ohms + 250 watts RMS x 2 at 2 ohms
FEATURES
6-Channel Amp with 5-Channel Power with double the power on the last two channels. The amp’s 5th and 6th channels can be bridged to provide up to 500-watts at 4Ω to power a subwoofer system such as a pair of S-SB12Vs.
When you’re ready to upgrade your Alpine system this amp can go with you. Use the R-A90S to amplify a 3-way active system with plenty of mid-bass power availability.
With fantastic low phase shift and hi-resolution frequency response, the R-A90S can reproduce sound with pin-point accuracy that stays true to the artist’s intention.
TECH SPECS
Dimensions: 12.75" x 10.75" x 2"
Hi-Resolution Audio Compliant (40k Hz)
Alpine’s Class D Amplifier Circuit
75W x 4 + 150W x 2 (4Ω, 14.4V, < 1% THD +N)
100W x 4 + 250W x 2 (2Ω, 14.4V, < 1% THD +N)
Bridged: 200W x 2 + 500W x 1 (4Ω, 14.4V, < 1% THD +N)
S/N > 85dB (ref. 1W into 4Ω)
THD + N < 0.03% (ref. 10W into 4Ω)
Frequency response: 10-45kHz (0/-3dB)
Damping factor > 500
CTA-2006