In like new condition this Audio Research SP6C Tube Preamp has been refurbished and brought up to spec, and it is just a fantastic sounding tube preamp, especially the Phono Section. The following work was done on the unit:
* All multi-section electrolytic capacitors have been replaced with long life discrete modern equivalents.
* Select out of spec axial electrolytics replaced
* All controls cleaned and lubricated
* All tubes tested using our Amplitrex AT1000 tube tester- Any out of spec tubes have been replaced
* Proper channel balance verified on line level and phono inputs
We acquired this unit along with an Audio Research D90 from the original owner which we also have up for sale. After the work was done we ran the two units together for a week in our shop where it performed flawlessly. From a smoke free, pet free and kid free house, The faceplate, body and cages are in excellent, like new condition. The unit comes in the original Audio research double box with original owners manual.