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Rotel 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.
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Professional Reviews 90/100
Nicely Roasted
Sound Quality
88/100
Build Quality
94/100
Value for Money
92/100
The Rotel RB-1590 delivers explosive dynamics, high-current authority, and a clean, near-neutral voice built for demanding speakers and big-room playback. Gramophone highlights its effortless control of cinematic impacts and musical crescendos, while the twin-transformer design, substantial capacitors, and versatile terminals underscore its seriously engineered appeal.
What Reviewers Are Saying
Pros
Delivers exceptional headroom and control for demanding speakers, large rooms, movie effects, and musical crescendos.
Clean, detailed, largely neutral Class A/B sound remains engaging with music rather than cold or sterile.
Substantial build includes twin toroidal transformers, large BHC capacitors, clean internal layout, and robust multi-termination speaker terminals.
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Cons
Its tonal balance leans subtly toward the brighter side of neutral, which may not suit listeners seeking a warmer amplifier presentation.
SOUND QUALITY PERFORMANCE 88/100
The RB-1590 is described as a clean, near-neutral and thoroughly enjoyable amplifier with substantial control during large musical or cinematic peaks. The review offers especially strong support for its power and tonal composure; it says less about fine spatial cues and low-level-detail retrieval.
Transparency Resolution
85/100
The reviewer hears very little coloration, describing the Rotel as neither harsh, cold nor sterile. Its slightly treble-forward tendency is presented as subtle rather than fatiguing, though there is little direct comment on microdetail, ambient retrieval, or background silence.
Tonal Balance Musicality
89/100
The presentation is characterized as slightly brighter than some Class A/B alternatives but fundamentally neutral rather than edgy. The reviewer stresses that it remains a very good and engaging listen with music, avoiding the clinical character that can accompany high-power solid-state amplification.
Dynamics
93/100
This is the RB-1590's clearest strength: the reviewer reports power in reserve for explosions, big events, and musical crescendos. Its 350W-per-channel rating and near-doubling into 4 ohms support that impression of ample headroom for demanding material and difficult loudspeaker loads.
Soundstage Imaging
85/100
The review does not directly assess stage width, image precision, depth, or layering. Its positive comments on the amplifier's low-coloration, musically satisfying presentation suggest no obvious spatial concern, but prospective buyers seeking a specifically holographic presentation should look for more dedicated listening impressions.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
94/100
The reviewer gives unusually detailed praise to the engineering: twin large toroidal transformers, eight substantial BHC capacitors, clean internal layout, and solid wiring and circuit boards. The heavy-duty speaker terminals accept bare wire, bananas, and spades, while the casework and front panel are described as well finished.
Value for Money
92/100
At just under $3,700 in the reviewed market, the RB-1590 is called one of the most solidly positioned options in its mid-priced segment. The reviewer believes its real-world authority, demanding-load capability, and substantial internal hardware make a persuasive case against similarly priced alternatives.
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Verified Dealers
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Authorized dealers for Rotel RB-1590
- The Music Room — online and in-store — Erie, Colorado, United States (website)
- Absolute Audio - Canada — in-store — Calgary, Alberta, Canada (website)
- Abt Electronics — online and in-store — Glenview, Illinois, United States (website)
- Acoustic Sounds — online and in-store — Salina, Kansas, United States (website)
- Acoustica — online and in-store — Chester, England, United Kingdom (website)
- Acton Gate Audio — online and in-store — Cymru, United Kingdom (website)
- Ahead Stereo — in-store — Los Angeles, California, United States (website)
- Alpha High End — online and in-store — Brasschaat, Vlaams Gewest, Belgium (website)
- Alta Fedelta — online and in-store — Lombardia, Italy (website)
- Altitudo Audio — online and in-store — Winnipeg, Manitoba, Canada (website)
and 197 more verified dealers