Audio Research SP20 Pre Amplifier

Audio Research

$14,995.00 

This variant is currently sold out

The look of SP20 is reminiscent of classic Audio Research components, but is totally modern with a clean, purposeful esthetic. The front panel sports a new 4.3” LCD touchscreen, with two large rotary knobs on either side. For the first time ever on an Audio Research preamp, there is a 1⁄4” headphone jack, accompanied by three buttons for Power, Mute, and Speaker off.

Those large knobs rotate fully, are optically-coupled and speed sensitive; turn it slowly and the volume will change incrementally; a quick turn one way or the other will raise or lower the volume by a large amount. Also for the first time, the Input selector is on the left, the Volume control is on the right.

Through the touchscreen one can change Inputs, select Stereo or Mono, Mute, adjust Phase, adjust left-right Balance, and adjust the phono input Load (50, 100, 500, 1000 or 47k Ohms). Through a Settings menu, you can customize other items: change input names, adjust gain offset for each input, change volume presets, adjust display brightness (or turn off), and check Tube Hours (or reset). When the tube hour meter reaches 4,000 hours, the Settings icon will turn red to warn the owner it is time to change the tubes.

In addition to the Phono input, there are four other single-ended inputs, two balanced inputs, separate Monitor-in and Record-out, and two pairs of balanced outputs. There is also an RS-232 port, IR-input, 12V trigger, and a 15A IEC connector. The SE4 input can be configured as a home theater pass-though.

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