Vincent Audio SA-T7 Stereo Tube Preamplifier

Vincent Audio SA-T7 Stereo Tube Preamplifier
  • Vincent Audio SA-T7 Stereo Tube Preamplifier
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    Pre Amplifier
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Vincent Audio SA-T7 Stereo Tube Preamplifier

Standard, classic circuit technology does not fully exploit the potential of a valve. With the SA-T7 we have developed a preamplifier that raises the pure amplification of valuable music signals to a level never conceived of before with valves. Thanks to the newly developed BestPentode circuit (developed by chartered engineer Frank Blöhbaum), the current distribution noise typical of pentodes is now a thing of the past.

Innovation at a fair price. Developed and produced in Germany.

Transfer qualities of amplifiers are currently being challenged by modern signal sources. Traditional (classical) technology and ECC81/82/83/88 does not cover the full potential of tube technology.

We developed a Vincent pre-amplifier SA-T7 that increases pure amplifying of precious audio signals with tubing on a level never realised before. This is made possible by a patented circuit technology: A new BestPentode circuit developed by Dipl-Ing (Master of Engineering) Frank Blöhbaum eliminates those for pentodes typical electrical current noises. The BestPentode device has got a higher level of amplifying small noise than other triods. The high-level grid pentodes type E180F / 6SCH9P / 6SCH51P display their whole potential. The tubes are a new old stock (NOS) from storage that was used for amplifying high-frequency signals 24/7 in telecommunication.

The impedance converter consists of a grid triod type 6S3P-EV - a Russian military tube with a long life that was used in an MIG's airborne radar. The noiseless power supply connectors of the BestPentode device provides for an extremely pure audio transmission. We developed our own module called Vimala (the meaning in Sanskrit is "pure, transparent and clear") for this purpose.

You can adjust your individual listening habits with an additional gainblock 6SCH9P, 6S3P-EV and Vimala module that controls precisely treble and bass sounds. It can be deactivated optionally. This extremly low output resistor of modern amplifier technology (just 1 Ohm) makes amplifier outputs with only resistive characteristics possible. A steady transmission over the general frequency range and lossless controlling of sensitive connector cables is therefore secured. Two separate output resistors (50 and 600 Ohm) are provided for easy connections.

Thanks to the BestPentode circuit technology newly manufactured in series with exquisite Vimala power supply pairing, a highly linear amplifying with almost no noise and super speed is created for an exceptional music listening experience. We at Vincent are very proud of our SA-T7 because it is the peak of many years’ experience in constructing innovative tube amplifiers. Innovation to fair prices that is developed and finally assembled in Germany


Technical Specifications

  • Frequency Response: 10 Hz – 100 kHz +/- 0.1 dB
  • Nominal Output Voltage: 3 V
  • Harmonic Distortion: < 0.001 % (1 kHz, Output Voltage 2Veff at 10 kOhm)
  • Amplification: Typical 13.3 dB (Volume Controller max. Gain)
  • Input Sensitivity: 430 mV (for 2 Volt Output Voltage)
  • Signal-Noise Ratio: Typical > 100 dB (A)
  • Input Impedance: > 22 kOhm
  • Inputs: 6 x Stereo RCA, 1 x Optical, 1 x Coaxial
  • Outputs: 2 x Stereo RCA (Pre Out), 1 x Stereo RCA (Rec Out), 2 x 3.5 mm Jack (Power Control)
  • Tubes: 2 x 6SCH9P ; 2 x 6SCH51P, 4 x 6S3P-EV; 1 x 85A2
  • Playable Formats: WAV, FLAC, APE, LPCM, MP3, ACC, AC3, WM
  • Colour: Black / Silver
  • Weight: 8.5 kg
  • Dimensions (WxHxD): 430 x 135 x 370 mm