Audio Research SP20
Audio Research SP20. Tube Preamplifier.
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Description
The result of an in-depth re-evaluation of the celebrated stereo preamplifier SP17, Audio Research SP20 is a product with substantially superior characteristics that takes the treatment of audio signals to a level of resolution, dynamics and expressiveness clearly associable with absolute reference.
A modernized aesthetic, but at the same time a nod to the rabidly classic design of the Audio Research SP preamplifier family, it serves as a cover letter to the SP20, a product whose functionality takes advantage of modern elements to offer the user greater capacity Of personalization in order to maximize its condition of control center of very high performance. A phono and line circuitry executed with rigorously selected components allow an exceptionally wide passband to facilitate the perfect restoration of the most sensitive microinformations, minimizes coloration and provides a dynamic expressivity embodied in a truly three-dimensional sound scene.
Technical characteristics
- Absolute Reference Stereo Preamplifier.
- Hybrid architecture of valves / transistors.
- High performance phono section with 5 load impedance settings.
- Fully balanced topology, Class A operation and zero total negative feedback.
- Executed with selected components of very high quality.
- 4'3 "touchscreen LCD display for easy access to basic controls and personalization.
- Balanced and unbalanced inputs; Balanced outputs.
- Headphone jack with dedicated valve circuitry.
- Wide options of external control; Easily integrable into a Home Theater system.
- Frequency response of 2-80,000 Hz (+/- 0'3 dB) in Line, 2-20,000 Hz (+/- 0'1 dB) in Fono and 20-20,000 Hz (+/- 0'05 dB) in The headset section.
- Gain of 13'8 dB in Line, 58 dB in Fono and 11'3 dB in the headset section.
- Minimum signal-to-noise ratio of 125 dB in Line, 94 dB in Fono and 110 dB in headphone section.
- Dimensions: 480x134x420 mm (W x H x D).
- Weight: 7.4 kg.