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Mark Levinson No5805 Integrated Amplifier for Digital and Analog Sources

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Analog Input Stage
The foundation of the Nº 5805 is its proprietary PurePath signal path- a fully discrete, direct-coupled, dual-monaural line-level preamp circuit, for which the Shelton design team has two patents pending. A unique single gain stage mated to a digitally controlled resistor network for volume adjustment maintains maximum signal integrity and widest possible bandwidth. Each of its three stereo line level inputs—one balanced XLR and two single-ended, using custom Mark Levinson RCA connectors—has its own individual high-reliability signal switching relays.

A newly designed Phono stage features a hybrid gain topology, mating key discrete components from the acclaimed 500 Series Pure Phono stage with low-noise integrated circuits for high performance at lower cost. Also like the 500 Series, a hybrid active/passive RIAA equalizer employs precision resistors and polypropylene capacitors for exceptional accuracy and sonic clarity. The user can select MM/MC gain and infrasonic filter from the setup menu, while capacitive and resistive loading settings are easily accessed from the rear panel.

The fully discrete, direct-coupled, class AB amplifier channels get their power from an oversized (500+ VA) toroidal transformer with individual secondary windings for the left and right channels. The voltage gain stage employs a topology directly descended from the acclaimed Nº 534 amplifier, which is mated to an output stage comprising two high-speed driver transistors operating in class A and six 260V, 15A output transistors. Two Thermal-Trak devices in a unique configuration guarantee stable output bias regardless of load or temperature. Four 10,000-microfarad capacitors per channel, located directly on the output stage circuit board, easily provide enough current for a conservative 125W/channel at 8 ohms, nearly 250W/channel at 4 ohms, and stable operation down to 2 ohms. Variable line-level RCA outputs allow system expansion and flexibility.

Digital Audio
Building upon the superb analog platform, the Nº 5805 adds equally outstanding digital audio capability with the Mark Levinson PrecisionLink II DAC. The latest generation ESS Sabre 32-bit D/A converter with jitter elimination circuitry and a fully balanced, discrete current-to-voltage converter form the heart of the digital audio processing stage. Four digital audio inputs are provided: one coaxial and two optical S/PDIF, and one asynchronous USB for playback of high resolution PCM (up to 32 bit/384kHz) and DSD (up to 11.2MHz) files. The No 5805 includes MQA (Master Quality Authenticated) technology, which enables playback of MQA audio files and streams. A Bluetooth receiver equipped with aptX-HD enables the highest quality Bluetooth playback available.

System integration and communication ports include Ethernet, USB, RS-232, IR input, and 12V trigger input and output. A newly designed, solid aluminum IR remote is included with the Nº 5805. Finally, an internal webpage allows setup, import and export of configurations, and software updates using a PC and standard web browser. In addition, third party drivers are available.

Bold new industrial design
Robust materials, lavish finishes, and striking geometry are hallmark attributes of Mark Levinson designs. The one-inch thick, bead-blasted, black-anodized, solid aluminum front panels are machined and contoured to flow seamlessly into the sleek glass display, which itself is recessed into a clear-anodized aluminum bezel.

The iconic Mark Levinson hourglass knobs are redefined - machined with a gently curved profile transitioning into a rounded front, with feet to match. With debossed top cover vents, screen-printed logo behind the glass panel, and aluminum buttons, no detail has been overlooked. An elegant 5000 Series custom aluminum IR remote control is included.

№ 5805 Highlights

  • Digital Inputs
  • 1 x USB 2.0, 1 x coaxial S/PDIF, and 2 x optical S/PDIF
  • 384kHz/32 bit PCM and DSD 11.2MHZ capability
  • Bluetooth audio input including AptX-HD support
  • MQA full decoding on all digital inputs including asynchronous USB
  • Analog Inputs
  • 1 x balanced XLR stereo, 2 x RCA stereo, 1 x RCA Phono (MM/MC)
  • HT processor pass-thru mode
  • Outputs
  • Line outputs: 1 x RCA stereo (variable)
  • Headphone output: 1 x 1/4-inch/6.35mm jack (front panel)
  • Speaker outputs: 2 pairs high-current binding posts
  • Control
  • Control ports: Ethernet (RJ45), RS-232 (DB9), 12V trigger input/output and IR input (3.5mm jack)
  • Webpage setup, configuration import/export, software updates
  • Included handheld IR remote control
  • Control modules for third-party automation
  • Other
  • EuP compliant / low-power standby
  • All-new Nº 5000 series industrial design
  • Designed, engineered and precision-crafted in the USA
  • Packaged and sold individually


  • Line Input Impedance: Balanced (XLR): 20kΩ; Single-ended (RCA): 10kΩ
  • Volume Control: Balanced; voltage mode; digitally-controlled resistor network
  • Gain: 8.5dB maximum
  • Output Impedance: 55Ω
  • Output Overload: >4.5V RMS
  • Frequency Response: 20Hz to 20kHz, ±0.03dB; <2Hz to 210kHz, +0.1/–3dB (At unity gain volume setting)
  • Total Harmonic Distortion: <0.01%,1kHz; <0.03%, 20 kHz; 2V RMS output (At unity gain volume setting
  • Signal-To-Noise Ratio: >96dB (20Hz to 20kHz, A-weighted); >93dB (20Hz to 20kHz, wideband, unweighted) (Referred to 2V RMS output, unity gain volume setting
  • Input Sensitivity: 53mV RMS at line input for 2.83V RMS at speaker output, maximum volume setting
  • System Gain: 34.5dB, line input to speaker output, maximum volume setting
  • PHONO STAGE (№5805 ONLY)
  • RIAA Frequency Response: 20Hz to 20kHz, ±0.3dB
  • Infrasonic Filter: Selectable; 20Hz, 1st order (6dB/octave)
  • Input Resistance: 47kΩ
  • Input Capacitance: Selectable; 20, 70, 120, 170pF
  • Gain: 39dB at 1kHz
  • Total Harmonic Distortion: <0.01%, 1kHz, 2V RMS output; <0.05%, 20kHz, 2V RMS output
  • Signal-To-Noise Ratio: >90dB (20Hz to 20kHz A-weighted, referred to 2V RMS output); >78dB (20Hz to 20kHz, wideband, unweighted, referred to 2V RMS output)
  • Maximum Input Level: >190mV at 1kHz; >1.6V at 20kHz
  • Input Resistance: Selectable, 37Ω to 1000Ω
  • Gain: 69dB at 1kHz
  • Total Harmonic Distortion: <0.01%, 1kHz, 2V RMS output; <0.06%, 20kHz, 2V RMS output
  • Signal-To-Noise Ratio: >71dB (20Hz to 20kHz A-weighted, referred to 2V RMS output); >66dB (20Hz to 20kHz, wideband, unweighted, referred to 2V RMS output)
  • Maximum Input Level: >6.5mV at 1kHz; >19mV at 20kHz
  • Output Voltage: 5.7V RMS at maximum volume/full scale (0dBFS)
  • Frequency Response: 20Hz to 20kHz, +0/–0.02dB (192kHz/24 bit signal); 20Hz to 20kHz, +0/–0.05dB (44.1kHz/16 bit signal)
  • Total Harmonic Distortion: <0.0025%, 20Hz to 20kHz, at 3V RMS output (192kHz/24 bit signal); <0.003%, 20Hz to 20kHz, at 3V RMS output (44.1kHz/16 bit signal); <0.006%, 90kHz, at 3V RMS output (192kHz/24 bit signal)
  • Signal-To-Noise Ratio: >100dB (20Hz to 20 kHz, 192kHz/24 bit signal, A-weighted); >98dB (20Hz to 20 kHz, 192kHz/24 bit signal, wideband, unweighted; >94dB (20Hz to 20 kHz, 44.1kHz/16 bit signal, A-weighted); >92dB (20Hz to 20 kHz, 44.1kHz/16 bit signal, wideband, unweighted) (referred to 2V RMS output)
  • Sample Rates/Bit Depth: PCM: 32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, or 384kHz; up to 32 bits; DSD: Native or DoP; single, double, or quad speed (2.8, 5.6, or 11.2MHz)
  • Digital Processing: Full MQA decoding; PCM: Seven user-selectable digital filter settings; user-selectable up-sampling to 352.8/384kHz; DSD: Four user-selectable digital filter settings
  • General
  • Analog Input Connectors (№5805 Only)
  • 1 pair balanced line-level inputs (XLR)
  • 2 pairs single-ended line-level inputs (RCA)
  • 1 pair single-ended moving-coil phono inputs (RCA)
  • 1 pair single-ended moving-magnet phono inputs (RCA)
  • Digital Audio Connectors:
  • 2 optical digital inputs (Toslink)
  • 1 asynchronous USB digital input (USB-B)
  • №5805: 1 coaxial digital S/PDIF input (RCA)
  • №5802: 2 coaxial digital S/PDIF input (RCA)
  • №5802: 1 balanced digital AES/EBU input (XLR)
  • Output Connectors
  • 1 pair single-ended line-level outputs (RCA)
  • 2 pairs loudspeaker outputs (High-current binding posts with banana sockets; accept spade lugs with ¼”/6.3mm spacing up to ⅛”/3mm thick)
  • Control Connectors:
  • 1 RS-232 port (DB9 connector)
  • 1 IR input (⅛”/3.5mm phone jack)
  • 1 programmable 12V DC trigger output (⅛”/3.5mm phone jack), 100mA maximum
  • 1 programmable 12V DC trigger input (⅛”/3.5mm phone jack)
  • 1 Ethernet port (RJ-45 connector)
  • Mains Voltage: 100VAC, 115VAC, or 230VAC, factory set
  • Power Consumption:
  • Standby, “Green” mode: <0.4W
  • Standby, “Power Save” mode: 7W
  • №5805: Standby, “Normal” mode: 70W
  • №5802: Standby, “Normal” mode: 45W
  • №5805: Power on, quiescent: 120W
  • №5802: Power on, quiescent: 95W
  • №5805: Power on, both channels at ⅛ rated power: 240W
  • №5802: Power on, both channels at ⅛ rated power: 215W
  • Power on, maximum: 500W
  • Dimensions/Weight (Unit)
  • Height: 5.72”/145mm
  • Height without feet: 5.25”/133mm
  • Width: 17.25”/438mm
  • Depth: 19.98”/507mm
  • Weight (№5805): 62 lbs/28.1kg
  • Weight (№5802): 61 lbs/27.6kg

Integrated Amplifiers
Integrated Amplifiers

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