Be careful, SET w/o feedback will roll off the highs on QUAD's around 10-14kHz -3dB due to the low damping factor and capacitive nature of the speaker.
Also, some solid state amps develop a peak around +3 to +6dB 30-50kHz range.
Having said that I own 57's and enjoy them immensely.
Also, some solid state amps develop a peak around +3 to +6dB 30-50kHz range.
Having said that I own 57's and enjoy them immensely.