Check out www.rsvlonline.net/vintageamp/default.htm for Jon Soderberg's website. Jon is a former Threshold technician who now modifies Threshold equipment. He's seen some good feedback on this site.
I own four channels of Threshold amplification (a pair of SA-1 monoblocks and an S/500 stereo amp) and love them with my Apogee Stages. Wouldn't have it any other way.
I own four channels of Threshold amplification (a pair of SA-1 monoblocks and an S/500 stereo amp) and love them with my Apogee Stages. Wouldn't have it any other way.