Rotel RB-1552 MKII Stereo Power Amplifier

Brand: Rotel

Rotel RB-1552 MKII Stereo Power Amplifier

EAN: 672563209215

$1,799.00 AUD

Rotel RB-1552 MKII Stereo Power Amplifier combines 130 watts per channel of Class A/B power with the engineering expertise that has made Rotel a respected hi-fi brand for over 60 years. Built around Rotel’s Balanced Design Concept, it features an oversized toroidal transformer, premium slit-foil capacitors, and balanced XLR and RCA inputs to deliver detailed, dynamic, and controlled sound. Designed for music enthusiasts, the RB-1552 MKII provides the performance and reliability expected from a heritage audio manufacturer.

Finish: Black

Black Silver

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Specifications

Rotel RB-1552 MKII Stereo Power Amplifier

Specification	Value
Product	Rotel RB-1552MKII
Type	Stereo Power Amplifier
Amplifier class	Class AB
Continuous power output (20-20khz, <0.03%, 8 ohms)	130 watts/channel
Total harmonic distortion (20hz-20khz, 8 ohms)	<0.03%
Intermodulation distortion (60hz:7khz, 4:1)	<0.03%
Frequency response	10Hz-100kHz
Damping factor (20-20,000hz, 8 ohms)	450
Minimum speaker impedance	4 Ohms
Signal to noise ratio (ihf a network)	120dB
Input impedance/sensitivity unbalanced	12k Ohms / 1.5V
Input impedance/sensitivity balanced	100k Ohms / 2.5V
Gain unbalanced	26.5dB
Gain balanced	22.5dB
Inputs	Balanced XLR, Unbalanced RCA
Features	Balanced XLR inputs, High quality British engineered slit foil capacitors, 12V trigger input, Independent left and right power rectification stages, Mono block design
Power requirements us	120V 60Hz
Power requirements eu	230V 50Hz
Power consumption	400W
Btu (4 ohms, 1/8th power)	905 BTU/h
Dimensions (w x h x d)	431 x 144 x 339 mm
Dimensions (imperial)	17 x 5 7/8 x 13 3/8 in
Front panel height	3U / 132.6 mm / 5 1/4 in
Weight	12.4kg / 27.27lbs

Product Details

Rotel RB-1552 MKII Stereo Power Amplifier Delivers High-Resolution Audio

Rotel RB-1552 MKII Stereo Power Amplifier is engineered to deliver high-resolution audio with the control, refinement, and dynamic authority expected from the Rotel heritage. Drawing on more than 50 years of amplifier design experience, this Class A/B stereo power amplifier combines robust output with carefully balanced engineering to reproduce everything from subtle acoustic recordings to demanding orchestral passages with impressive accuracy.

The Rotel RB-1552 MKII amplifier reflects the company’s Balanced Design Concept, where every stage of the circuit is developed as part of a unified system rather than a collection of individual components. This holistic approach allows the amplifier to extract greater detail, maintain tonal balance, and present music with a natural sense of scale and realism.

Rotel RB-1552 MKII Amplifier Utilises Advanced Power Architecture

Rotel RB-1552 MKII amplifier is built around an oversized power supply that features a highly efficient, low magnetic field toroidal transformer. This transformer provides stable current delivery while helping to reduce unwanted noise that can compromise audio performance.

Multiple high-current bipolar output transistors enable the amplifier to drive demanding loudspeakers with confidence, preserving impact during dynamic musical passages while maintaining clarity at lower listening levels. The design philosophy focuses on supplying consistent power reserves rather than simply achieving impressive output figures, resulting in controlled bass, open midrange performance, and detailed high frequencies.

Rotel RB-1552 MKII Design Creates Dual-Mono Performance

Rotel RB-1552 MKII design incorporates independent left and right power rectification stages and decoupling, making the amplifier essentially a monoblock design within a stereo chassis. This architecture helps minimise channel interaction and supports precise stereo imaging, allowing instruments and vocals to occupy clearly defined positions within the soundstage.

Circuit topology is planned, implemented, evaluated, and refined to achieve optimum performance, demonstrating Rotel’s emphasis on engineering rather than unnecessary complexity. The result is a stereo power amplifier capable of reproducing intricate recordings with composure and authority.

Rotel RB-1552 MKII Components Enhance Dynamic Musical Reproduction

Rotel RB-1552 MKII components include premium British-engineered slit-foil capacitors selected for their ability to store substantial reserve energy and replenish rapidly during demanding musical transients. This characteristic benefits recordings with sudden dynamic swings, such as live performances, cinematic scores, or energetic rock music, where fast power delivery contributes to a more engaging listening experience.

The amplifier’s Class A/B design combines efficiency with refined sonic character, producing a presentation that is both powerful and controlled. It delivers 130 watts per channel into 8 ohms, offering the capability to partner with a wide variety of high-performance loudspeakers while maintaining low distortion and a broad frequency response.

Rotel RB-1552 MKII Connectivity Supports Flexible System Integration

Rotel RB-1552 MKII connectivity is designed for compatibility with modern and traditional hi-fi systems alike. Balanced XLR inputs provide a professional-grade connection option for reduced interference over longer cable runs, while unbalanced RCA inputs ensure straightforward integration with many preamplifiers and source components.

A 12-volt trigger input simplifies automated system control, making the amplifier well suited for dedicated stereo installations and integrated home audio systems. Whether paired with a premium preamplifier, network streamer, or high-quality DAC, the Rotel RB-1552 MKII stereo power amplifier is engineered to deliver transparent, dynamic, and engaging sound reproduction.