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The Rotel RB-1582 MkII is a high-current 200W per channel Class AB stereo power amplifier built for commanding control of premium loudspeakers. With balanced XLR and RCA inputs, it integrates cleanly into audiophile stereo and home theater systems. An oversized toroidal transformer and 60,000µF of storage using fast slit foil capacitors help deliver punchy dynamics and low noise. If you want authoritative power, tight bass, and refined detail, the RB-1582 MkII is designed to be the engine of a serious system.
Get the Details
Features & Specs
High-power output for real-world speakers
Delivers 200 watts per channel into 8 ohms and 323 watts per channel into 4 ohms, providing the current and headroom needed for demanding floorstanders and dynamic movie soundtracks.
Class AB refinement with muscle
The Class AB topology balances high efficiency and strong output capability with the smooth, controlled presentation expected in serious hi-fi systems.
Balanced and unbalanced connectivity
Use balanced XLR inputs to reduce noise in long cable runs and complex racks, or RCA inputs for traditional stereo setups—either way, integration is straightforward.
Massive power supply for stable dynamics
An oversized toroidal transformer and 60,000µF of storage help keep the output stage fed with stable power so crescendos and bass impacts stay clean and composed.
High damping factor for tighter bass
With a damping factor of 800, the RB-1582 MkII is engineered to maintain grip over speaker drivers—helping bass sound faster, tighter, and more controlled.
Installer-friendly integration
Rack ears are included for clean mounting, and the 12V trigger input makes it easy to automate power sequencing with compatible preamps, processors, and control systems.
High-power output for real-world speakers
Delivers 200 watts per channel into 8 ohms and 323 watts per channel into 4 ohms, providing the current and headroom needed for demanding floorstanders and dynamic movie soundtracks.
Class AB refinement with muscle
The Class AB topology balances high efficiency and strong output capability with the smooth, controlled presentation expected in serious hi-fi systems.
Balanced and unbalanced connectivity
Use balanced XLR inputs to reduce noise in long cable runs and complex racks, or RCA inputs for traditional stereo setups—either way, integration is straightforward.
Massive power supply for stable dynamics
An oversized toroidal transformer and 60,000µF of storage help keep the output stage fed with stable power so crescendos and bass impacts stay clean and composed.
High damping factor for tighter bass
With a damping factor of 800, the RB-1582 MkII is engineered to maintain grip over speaker drivers—helping bass sound faster, tighter, and more controlled.
Installer-friendly integration
Rack ears are included for clean mounting, and the 12V trigger input makes it easy to automate power sequencing with compatible preamps, processors, and control systems.
Expert Insight
The RB-1582 MkII could soften an overly analytic front end or be the powerhouse of an already comfortable-sounding system. Not surprisingly, it blended well with its preamplifier mate, Rotel’s RC-1570. If all of that sounds appealing -- and I could see it being just that for a lot of audiophiles -- this Rotel should be on your shortlist for audition.
Mike Chapman
Over 30 Years at ListenUp
Details
Rotel RB-1582 MkII Stereo Power Amplifier
Built to be the powerhouse in a serious hi-fi or home theater setup, the Rotel RB-1582 MkII is a high-current, Class AB stereo power amplifier rated at 200 watts per channel into 8 ohms (and 323 watts per channel into 4 ohms) for effortless control of demanding speakers. Rotel’s Balanced Design Concept pairs meticulous circuit layout with premium parts selection to deliver both slam and finesse—cleanly resolving low-level detail while staying composed during explosive dynamic peaks.
At the core is an oversized toroidal transformer feeding a massive 60,000µF of energy storage using special low-ESR “slit foil” capacitors. This fast charge/discharge capability helps preserve signal fidelity during big orchestral swells and hard-hitting bass transients. The amplifier is laid out with left/right mono-block construction after the transformer, star-grounding on a copper grounding plate for low noise, and a discrete output stage with 10 high-current bipolar transistors per channel. Connectivity is equally system-friendly with both balanced XLR and unbalanced RCA inputs, plus installation conveniences like a 12V trigger input and rack ears included.
Included / Integration: Rack ears included; 12V trigger input
Design Notes / Key Internal Engineering: Oversized toroidal transformer; 60,000µF storage capacity; “slit foil” capacitors; mono-block channel layout after transformer; star-grounding on copper grounding plate; discrete output stage with 10 high-current bipolar transistors per channel
Rotel RB-1582 MkII Q&A:
Is the RB-1582 MkII powerful enough for demanding floorstanding speakers?
Yes. With 200 W/ch into 8 Ω and 323 W/ch into 4 Ω, it provides the current and headroom needed for large speakers and dynamic music or movie playback.
Does it support balanced connections from a preamp or processor?
Yes. It includes balanced XLR inputs for low-noise system matching, along with traditional unbalanced RCA inputs.
What kind of amplifier design is it (Class A, AB, D)?
It uses a Class AB amplifier design, chosen for strong power delivery with refined, low-distortion performance.
How does it keep bass tight and controlled?
A high damping factor (800) plus a robust power supply design helps the amplifier maintain control over speaker drivers—especially in the low frequencies.
Can I integrate it into a custom rack or control system?
Yes. Rack ears are included, and it supports a 12V trigger input for coordinated power on/off with compatible components.
What makes the power supply special in this amplifier?
It uses an oversized toroidal transformer and 60,000µF of energy storage with fast “slit foil” capacitors designed to charge/discharge quickly for stable, dynamic performance.
What speakers can I use with it (minimum impedance)?
It supports speakers with a minimum impedance of 4 Ω.
How large and heavy is the RB-1582 MkII?
It measures 431 × 144 × 407 mm (17 × 5 7/8 × 16 in) and weighs 17.6 kg (38.80 lbs).
The Rotel RB-1582 MkII is a high-current 200W per channel Class AB stereo power amplifier built for commanding control of premium loudspeakers. With balanced XLR and RCA inputs, it integrates cleanly into audiophile stereo and home theater systems. An oversized toroidal transformer and 60,000µF of storage using fast slit foil capacitors help deliver punchy dynamics and low noise. If you want authoritative power, tight bass, and refined detail, the RB-1582 MkII is designed to be the engine of a serious system.
Get the Details
Features & Specs
Features & Specs
High-power output for real-world speakers
Delivers 200 watts per channel into 8 ohms and 323 watts per channel into 4 ohms, providing the current and headroom needed for demanding floorstanders and dynamic movie soundtracks.
Class AB refinement with muscle
The Class AB topology balances high efficiency and strong output capability with the smooth, controlled presentation expected in serious hi-fi systems.
Balanced and unbalanced connectivity
Use balanced XLR inputs to reduce noise in long cable runs and complex racks, or RCA inputs for traditional stereo setups—either way, integration is straightforward.
Massive power supply for stable dynamics
An oversized toroidal transformer and 60,000µF of storage help keep the output stage fed with stable power so crescendos and bass impacts stay clean and composed.
High damping factor for tighter bass
With a damping factor of 800, the RB-1582 MkII is engineered to maintain grip over speaker drivers—helping bass sound faster, tighter, and more controlled.
Installer-friendly integration
Rack ears are included for clean mounting, and the 12V trigger input makes it easy to automate power sequencing with compatible preamps, processors, and control systems.
High-power output for real-world speakers
Delivers 200 watts per channel into 8 ohms and 323 watts per channel into 4 ohms, providing the current and headroom needed for demanding floorstanders and dynamic movie soundtracks.
Class AB refinement with muscle
The Class AB topology balances high efficiency and strong output capability with the smooth, controlled presentation expected in serious hi-fi systems.
Balanced and unbalanced connectivity
Use balanced XLR inputs to reduce noise in long cable runs and complex racks, or RCA inputs for traditional stereo setups—either way, integration is straightforward.
Massive power supply for stable dynamics
An oversized toroidal transformer and 60,000µF of storage help keep the output stage fed with stable power so crescendos and bass impacts stay clean and composed.
High damping factor for tighter bass
With a damping factor of 800, the RB-1582 MkII is engineered to maintain grip over speaker drivers—helping bass sound faster, tighter, and more controlled.
Installer-friendly integration
Rack ears are included for clean mounting, and the 12V trigger input makes it easy to automate power sequencing with compatible preamps, processors, and control systems.
Expert Insight
Expert Insight
The RB-1582 MkII could soften an overly analytic front end or be the powerhouse of an already comfortable-sounding system. Not surprisingly, it blended well with its preamplifier mate, Rotel’s RC-1570. If all of that sounds appealing -- and I could see it being just that for a lot of audiophiles -- this Rotel should be on your shortlist for audition.
Mike Chapman
Over 30 Years at ListenUp
Details
Details
Rotel RB-1582 MkII Stereo Power Amplifier
Built to be the powerhouse in a serious hi-fi or home theater setup, the Rotel RB-1582 MkII is a high-current, Class AB stereo power amplifier rated at 200 watts per channel into 8 ohms (and 323 watts per channel into 4 ohms) for effortless control of demanding speakers. Rotel’s Balanced Design Concept pairs meticulous circuit layout with premium parts selection to deliver both slam and finesse—cleanly resolving low-level detail while staying composed during explosive dynamic peaks.
At the core is an oversized toroidal transformer feeding a massive 60,000µF of energy storage using special low-ESR “slit foil” capacitors. This fast charge/discharge capability helps preserve signal fidelity during big orchestral swells and hard-hitting bass transients. The amplifier is laid out with left/right mono-block construction after the transformer, star-grounding on a copper grounding plate for low noise, and a discrete output stage with 10 high-current bipolar transistors per channel. Connectivity is equally system-friendly with both balanced XLR and unbalanced RCA inputs, plus installation conveniences like a 12V trigger input and rack ears included.
Included / Integration: Rack ears included; 12V trigger input
Design Notes / Key Internal Engineering: Oversized toroidal transformer; 60,000µF storage capacity; “slit foil” capacitors; mono-block channel layout after transformer; star-grounding on copper grounding plate; discrete output stage with 10 high-current bipolar transistors per channel
Rotel RB-1582 MkII Q&A:
Is the RB-1582 MkII powerful enough for demanding floorstanding speakers?
Yes. With 200 W/ch into 8 Ω and 323 W/ch into 4 Ω, it provides the current and headroom needed for large speakers and dynamic music or movie playback.
Does it support balanced connections from a preamp or processor?
Yes. It includes balanced XLR inputs for low-noise system matching, along with traditional unbalanced RCA inputs.
What kind of amplifier design is it (Class A, AB, D)?
It uses a Class AB amplifier design, chosen for strong power delivery with refined, low-distortion performance.
How does it keep bass tight and controlled?
A high damping factor (800) plus a robust power supply design helps the amplifier maintain control over speaker drivers—especially in the low frequencies.
Can I integrate it into a custom rack or control system?
Yes. Rack ears are included, and it supports a 12V trigger input for coordinated power on/off with compatible components.
What makes the power supply special in this amplifier?
It uses an oversized toroidal transformer and 60,000µF of energy storage with fast “slit foil” capacitors designed to charge/discharge quickly for stable, dynamic performance.
What speakers can I use with it (minimum impedance)?
It supports speakers with a minimum impedance of 4 Ω.
How large and heavy is the RB-1582 MkII?
It measures 431 × 144 × 407 mm (17 × 5 7/8 × 16 in) and weighs 17.6 kg (38.80 lbs).
