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ROTEL RB-1590
Reference stereo power amplifier: 2 x 350 W (8 Ω).
Dual mono design with toroidal transformer and 8 BHC capacitors
RCA and XLR inputs, 12V trigger, oversized terminals
Response: 10 Hz - 100 kHz, SNR: 120 dB
Massive power, absolute control and audiophile sound.
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Rotel RB-1590. Authority, Precision, and Control in High-Fidelity
The Rotel RB-1590 is a reference-class stereo power amplifier that exemplifies Rotel’s core philosophy: the seamless fusion of brute force and sonic finesse. Delivering a commanding 350 watts per channel into 8 ohms (with both channels driven), this amplifier is purpose-built to effortlessly drive the most demanding loudspeakers, while maintaining a detailed, open, and balanced sound presentation.
Massive Power with a Rock-Solid Foundation
At the heart of the RB-1590 lies a massive in-house-designed toroidal transformer, engineered to provide clean, stable power under any load. This transformer anchors a high-performance power supply featuring eight British-made BHC capacitors, known for their ultra-low ESR and fast transient response. The result is a consistent and abundant current supply, even during complex musical passages or under heavy speaker loads.
Dual-Mono Design and Meticulous Component Selection
The RB-1590’s dual-mono topology ensures maximum channel separation, enhancing stereo imaging, instrumental focus, and soundstage depth. Every internal component has been individually selected through critical listening sessions, ensuring the amplifier delivers not just raw power, but also natural, uncolored, and accurate reproduction.
Details That Matter
In addition to its commanding sonic performance, the RB-1590 is built for durability, integration, and professional-grade functionality:
Balanced XLR and unbalanced RCA inputs for flexible system matching.
Oversized speaker terminals with premium-grade pentagon binding posts.
Two-stage soft start relay minimizes inrush current and protects internal circuitry.
Advanced protection circuits guard against overcurrent and overvoltage.
12V trigger input for integration into home automation or multi-zone systems.
Detachable power cord.
5U chassis with rack-mount ears for use in custom installations or studio environments.
Technical Specifications
Power Output: 2 × 350 W RMS @ 8 ohms
Frequency Response: 10 Hz – 100,000 Hz (±0.5 dB)
Signal-to-Noise Ratio: 120 dB
Gain:
27.5 dB (balanced)
23.5 dB (unbalanced)
Inputs: Balanced XLR and Unbalanced RCA
Chassis: 5U rack-mountable
Dimensions (W × H × D): 431 × 237 × 454 mm
Weight: 38.1 kg
The Rotel RB-1590 represents the pinnacle of stereo power amplification within Rotel’s lineup. With its towering output, audiophile-grade construction, and refined musicality, it’s the ideal amplifier for serious listeners who demand unrestricted performance and sonic excellence in a high-fidelity system.
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