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Alpine R-Series 6-Channel Power Amplifier - R-A90S
Model # R-A90S
Abt # RA90S
UPC # 793276242952
- 100W x 4 + 250W x 2 At 2 Ohm
- 6/5/4/3 Channel Power Amplifier
- Hi-Resolution Audio Compliant
- Class D Amplifier Circuit
- Black Finish
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$699.95
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Alpine R-A90S R-Series 6-Channel Power Amplifier
Features
- Hi-Resolution audio compliant
- CTA-2006
- Class D amplifier circuit
- 75W x 4 + 150W x 2 (4 Ohm, 14.4 V, ≤ 1% THD+N)
- 100W x 4 + 250W x 2 (2 Ohm, 14.4V, ≤ 1% THD+N)
- Bridged: 200W x 2 + 500W x 1 (4 Ohm, 14.4V, ≤ 1% THD+N)
- S/N > 85 dB (ref. 1 W into 4 Ohm)
- THD + N ≤ 0.03% (ref. 10 W into 4 Ohm)
- Frequency response: 10-45 kHz (0/-3 dB)
- Damping factor > 500
Approximate Weight
- Shipping: 11 lbs
California customers:
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Frequently Asked Questions
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This amplifier delivers 100 watts times 4 channels plus 250 watts times 2 channels at 2 ohms with less than or equal to 1% total harmonic distortion plus noise (THD+N). It also supports bridged modes with 200 watts times 2 plus 500 watts times 1 at 4 ohms under the same distortion specifications.
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It features a Class D amplifier circuit, which is known for higher efficiency, lower heat generation, and compact design, providing powerful audio output suitable for high-resolution audio playback.
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The amplifier has a very low total harmonic distortion plus noise (THD+N) of less than or equal to 0.03% at 10 watts into 4 ohms and a signal-to-noise ratio greater than 85 decibels, ensuring clear and distortion-free audio performance.
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The frequency response spans from 10 Hz to 45 kHz (0/-3 dB), supporting a wide audio spectrum including high-resolution audio signals, ensuring detailed and dynamic sound reproduction.
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The damping factor is greater than 500, which helps maintain tight control over speaker cones, reducing distortion and improving bass response for enhanced audio fidelity.
