Description
RB-1590
The RB-1590 is at the top of its class as a 2 x 350 Watts stereo amplifier with dual toroidal transformers and special slit foil capacitors.
Power – refined, detailed, and plenty of it. Rotel’s new Class AB stereo power amplifier is rated at 350 Watts per channel into 8 ohms both channels driven. That is a lot of power, but larger listening rooms or less sensitive loudspeaker designs require it to bring out the best possible performance and attain realistic audio dynamics.
The impressive capabilities of this amplifier begin with a solid foundation consisting of twin massive toroidal transformers custom made by Rotel. These transformers are just part of a rock-solid power supply that includes eight special British made BHC capacitors, known for their low loss and quick response times. These components will continue to supply all of the voltage and current requirements needed, even under the most difficult load conditions.
But power unrefined has never been a Rotel design goal. Every aspect of circuit design has been carefully considered and each component has been rigorously selected after extensive listening sessions. The circuit topography has been laid out in a true monoblock design, ensuring maximum signal separation and improved stereo imaging.
Features include: XLR Balanced and RCA input connections, two pair of 5-way speaker binding posts, 12-volt trigger control, thermal protection circuitry, overcurrent, over-voltage protection circuitry, dual staged power on relay to reduce surge current and extend longevity, and a detachable IEC power cord all in a 5U chassis with included rack ears.
The RB-1590 has been designed for the most discerning audio enthusiast and will provide the highest levels of audio performance.
Dimensions (W × H × D)
431 × 237 × 454 mm
17″ × 9.75″ × 17.9″
Front Panel Height
5U / 221 mm (8.75″)
Power Requirements
120 V, 60 Hz
Power Consumption
800 W
Standby Power Consumption
0.5 W
Net Weight
38.1 kg (84 lbs.)
BTU Rating (4 Ω, 1/8th power)
2100 BTU/h
Power Output
350 W/Ch (8 Ω)
648 W/Ch (4 Ω)
Total Harmonic Distortion (THD)
(20 Hz – 20k Hz) < 0.03%
Frequency Response
10 Hz – 100k Hz, ± 0.5 dB
S/N Ratio (IHF “A” Weighted)
120 dB
Gain
RCA: 27.5 dB
XLR: 23.5 dB
Intermodulation Distortion (60 Hz : 7k Hz, 4:1)
< 0.03%
Damping Factor
300
Speaker Impedance
4 Ω minimum
Input Sensitivity
Line Level Inputs (RCA): 2.2 V
Line Level Inputs (XLR): 3.5 V
Input Impedance
Line Level Inputs (RCA): 12k Ω
Line Level Inputs (XLR): 100k Ω
Channel Separation
> 50 dB
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