SPECIFICATIONS
Performance
Per Channel, Ref.: 4 Ω, 14.4 V
Power Output
Per Channel, Ref.: 2 Ω, 14.4 V
Bridged, Ref.: 4 Ω, 14.4 V
Ref.: 10 W into 4 Ω
Ref.: 10 W into 2 Ω
THD+N
Ref.: Rated Power into 4 Ω
Ref.: Rated Power into 2 Ω
IHF A-wtd + AES-17
Ref.: 1 W into 4 Ω
S/N Ratio
IHF A-wtd + AES-17
Ref.: Rated Power into 4 Ω
+0/–3 dB, Ref.: 1 W into 4 Ω
Frequency Response
+0/–1 dB, Ref.: 1 W into 4 Ω
Damping Factor
Ref.: 10 W into 4 Ω at 100 Hz
Control
Selectable Input Signal
Input Select
Configuration (2ch/4ch Input)
RCA Input
Input Sensitivity
Ref.: Rated Power into 4 Ω
Variable HPF/HPF-H/LPF
Crossover
Variable HPF/BPF
Remote Level*
Linear Attenuation
General
Input Impedance
Width
Dimensions
Height
Depth
Weight
* Requires optional RUX-KNOB.2.
NOTE:
• Specifications and design are subject to change without notice.
20
-EN
ALPINE R-A90S 68-35792Z94-A (EN/FR/ES)
CH-1/2/3/4
75 W RMS × 4
100 W RMS × 4
200 W RMS × 2
≤0.03%
≤0.05%
≤0.3%
≤1.0%
>85 dB
>103 dB
10 Hz - 45 kHz
20 Hz - 20 kHz
>500
CH-3/4:
CH-1/2 or CH-3/4
Hi: 0.5 - 10 V
Lo: 0.2 - 4.0 V
CH-1/2
HPF: 50 Hz - 400 Hz
LPF: 50 Hz - 400 Hz
HPF-H: 400 Hz - 6 kHz
CH-3/4
HPF: 50 Hz - 400 Hz
BPF-L: 50 Hz - 400 Hz
BPF-H: 400 Hz - 6 kHz
–
>10 kΩ
273 mm (10-3/4")
50.8 mm (2")
322 mm (12-3/4")
4.52 kg (9 lb 15 oz)
CH-5/6
150 W RMS × 2
250 W RMS × 2
500 W RMS × 1
≤0.03%
≤0.05%
≤0.3%
≤1.0%
>85 dB
>106 dB
10 Hz - 45 kHz
20 Hz - 20 kHz
>500
CH-5/6:
CH-1/2 or CH-5/6
Hi: 0.5 - 10 V
Lo: 0.2 - 4.0 V
–
0 to –18 dB
>10 kΩ