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The Mark Levinson No585.5 is a high-end fully discrete integrated amplifier that builds upon the acclaimed No585 model by adding the Pure Phono stage found in the award-winning No523 and No526 preamplifiers. It features a fully discrete, mirror-imaged, dual-monaural analog circuitry with individual signal switching relays for each of its five stereo inputs (one balanced XLR, three RCA, plus a dedicated stereo Pure Phono stage). The Pure Phono stage includes a moving coil (MC) section with three gain settings and ten resistive cartridge-loading settings, five capacitive loading settings for moving magnet (MM), and an infrasonic filter to compensate for rumble and warped records. The volume control uses discrete R2R ladders and low-noise analog switches for wide bandwidth and maximum signal integrity. The amplifier delivers 200 watts per channel into 8 ohms and up to 350 watts into 4 ohms, powered by a fully differential Class AB power stage with an oversized 900VA toroidal transformer and twelve output transistors per channel for excellent transient response. Digital audio processing is handled by an ESS Sabre 32-bit DAC with proprietary jitter elimination, supporting six digital inputs including asynchronous USB, AES/EBU, coaxial, and optical inputs, with support for 32-bit/192kHz PCM and native DSD formats. The No585.5 also incorporates HARMAN Clari-Fi music restoration technology to enhance compressed digital audio sources. Additional features include a subwoofer output with a selectable 80Hz high-pass filter for 2.1-channel system integration, Ethernet, RS-232, IR input, and 12V trigger ports for system control integration. The amplifier is highly regarded for its neutral tonality, precise soundstage, and robust build quality, making it one of the finest integrated amplifiers available.
Amplification power output and characteristics
DAC capabilities and digital audio processing
Analog signal output specifications
Phono stage specifications
Input and output connections
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
Components that show up alongside the No. 585.5 in real systems. A verdict means the pair has been checked for compatibility and headroom — open it to see how the two get along.
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The Astra's power @ 8ω is 150W against the No. 585.5's 200W, its bit depth 24-bit against 32-bit, and its power @ 4ω 300W against 350W. Both share max sample rate (192 kHz).
Both turn up in the same documented systems.
The Pendulum's power @ 8ω is 120W against the No. 585.5's 200W, its max sample rate 384 kHz against 192 kHz, and its power @ 4ω 240W against 350W. Both share bit depth (32-bit).
The Michi X3's max sample rate is 768 kHz against the No. 585.5's 192 kHz. Both share power @ 8ω (200W), bit depth (32-bit), and power @ 4ω (350W).
Both turn up in the same documented systems.
The No. 536's power @ 8ω is 400W against the No. 585.5's 200W, its power @ 4ω 800W against 350W, and its thd 0.020% against 0.010%. Both share class (AB).
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