R-Series 6/5/4/3 Channel Power Amplifier with Staggered Power

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.

FEATURES

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 4Ω to a subwoofer system such as a pair of S-SB12Vs.

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 hi-resolution frequency response, the R-A90S can reproduce sound with incredible accuracy that stays true to the artist’s intention.

6-CHANNEL AMP WITH 5-CHANNEL POWER

The R-A90S has a unique staggered power channel layout that has double the power on the last two channels. When looking to power a dual subwoofer configuration, the R-A90S’s 5th and 6th channels can be bridged to provide up to 500-watts at 4Ω. The R-A90S is matched in power and performance for the Dual 10-inch Alpine Halo S-Series Preloaded Subwoofer Enclosures with ProLink™.

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

ALPINE

ALPINE R-A90S R-Series Power Amplifier