PRICE DROP-Sonic Frontiers SFL-1 hybrid preamp. Has tube rush with certain speakers. Imperceptible with my Magnaplanars, not so much with more effecient speakers. Sonic Frontiers says it is too much gain and they can fix it for $100. If you have the skills you can save yourself a substantial amount of cash and get a great preamp. With the maggies it was spectacular.
Frequency response: 2Hz to 100kHz
Total harmonic distortion: <0.1%
Maximum input: 2.5V RMS
Stereo separation: 60dB
Dimensions: 480 x 292.5 x 115mm