Mark Levinson No. 536 Power Amplifier

Mark Levinson No. 536 Power Amplifier

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Key info

The pursuit of perfect amplification is a well-known theme in high-end audio. New technologies present new approaches, while looking to the past provides inspiration for the future. It was in that spirit that the Mark Levinson® № 536 amplifier was developed: a design advised by the traditions and art of classic Mark Levinson amplifier designs, and with a specific target sound: a deep, expansive soundstage, accurate image placement, extended low bass response with good pitch definition, and detailed high frequencies free from “etching.

The Mark Levinson engineering team started with the following requirements:

– Harmonic distortion <0.02% at 1kHz and <0.2% at 20kHz

– Bandwidth extending from 0.2Hz to 120kHz, and beyond if possible

– Critically damped square wave response, with leading and trailing edges free of any slewing artifacts, and a slew rate of at least 100V/µs

– Maximized open-loop linearity and bandwidth, with global negative feedback in the range of 12-20dB and without nested feedback loops

This fully differential, fully discrete, monaural Pure Path amplifier drives virtually any loudspeaker effortlessly for impeccable imaging, musicality, and openness. A direct-coupled signal path; a highly linear, low-feedback design; and voltage gain and drive stages operating in class A, are joined by the modern system integration capabilities provided by Ethernet, RS-232, and USB for monitoring and network control. Housed in a 6000-series aluminum chassis, like all Mark Levinson equipment, the № 536 is designed and handcrafted in the USA.

Features

  • Pure Path discrete, direct coupled, fully balanced, monaural signal path
  • Expansive, fine imaging, extended low frequency response/pitch, and natural high frequencies
  • Painstakingly optimized, little negative feedback, bandwidth, slewing, and open-loop linearity
  • Fully differential class-AB architecture, operates in class A for most listening conditions
  • Rated for 400wpc into 8 ohms, 800wpc into 4 ohms, with 2-ohm stability
  • Custom-designed, low noise toroid with separate secondary windings for each output stage
  • 6000-series aluminum chassis, extremely high precision, exceedingly low tolerances
  • System-integration connectivity: Ethernet, IP, RS-232, triggers, web monitoring and control
  • Designed and handcrafted in the USA

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