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Vincent Audio SA-31MK Hybrid Vacuum Tube Preamplifier


Vincent Audio SA-31MK Hybrid Vacuum Tube Preamplifier - Back

Vincent introduces a step-up version of its most popular stereo preamplifier with added remote control and improved Class A vacuum tube output stage.

Vincent Audio has introduced the SA-31MK a higher performing step-up version of its popular SA-31 hybrid solid-state, vacuum tube line-stage preamplifier. The new SA-31MK incorporates new output circuitry with two more vacuum tubes, precision European resistors and capacitors, electronic volume and input controls, two added line inputs, and the addition of a wireless remote control.

The Vincent SA-31MK is clearly much more than just an upgrade of the SA-31’s convenience features. The output stage incorporates a proprietary new design configuration with a short signal path using two 6N16 vacuum tubes that allow a detailed and delicate soundstage. The final output stage is a Pure Class A design using two additional 6N16 tubes. The new SA-31MK has a very substantial power supply with a large toroidal power transformer that ensures all the circuit elements have a rock-steady voltage supply and never lack for current when needed.

The SA-31MK adds full wireless remote control capabilities with a precision electronic volume control, and six remote-selectable line inputs.

The new Vincent SA-31MK is currently available in black or silver at a suggested retail price of $1,399.95. The SA-31 continues in the line at $649.95.

Vincent Audio SA-31MK Hybrid Vacuum Tube Preamplifier - Inside

Vincent Audio SA-31MK Preamplifier Specifications

  • Frequency response: 20 Hz – 50 kHz +/- 0.5 dB,
  • Output voltage: 2 V
  • Total harmonic distortion: < 0.1 % (1 kHz, 1 Watt)
  • Input sensitivity: 350mV
  • Signal-Noise ratio: > 95 dB
  • Input impedance: 47 kOhm
  • Inputs: 6 x RCA
  • Outputs: 2 x RCA, 1 x RCA Rec Out
  • Tubes: 4 x 6N16
  • Color: black/silver
  • Mains supply: 120 V/60 Hz,
  • Weight: 18 lbs, 8 kg,
  • Dimensions (WxHxD): 17 x 3-3/4 x 14-3/8 inches; 430 x 95 x 365 mm

About Vincent Audio
Vincent Audio manufactures high-end audio components that use vacuum tube and hybrid tube/solid-state technology to produce sound that is powerful, accurate, and texturally satisfying. The brand’s exclusive North American distributor is WS Distributing, LLC, of Grand Rapids, Michigan.

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