My advice: try separated amplification Accuphase gear like A45 + C2810. It would be perfect to make your Contours sing.
I've compared Contour S1.4 to Special 25 and found no real advantages of the S25 (which is dedicated for bigger rooms that S1.4), just better resolution, more highs and more dynamics (due to a bigger woofer). But Contour S1.4 aren't tipped on the top end so may be regarded as more forgiving for bad recordings. In terms of dynamics, tha S1.4 are astonishing for its woofer size.
I've compared Contour S1.4 to Special 25 and found no real advantages of the S25 (which is dedicated for bigger rooms that S1.4), just better resolution, more highs and more dynamics (due to a bigger woofer). But Contour S1.4 aren't tipped on the top end so may be regarded as more forgiving for bad recordings. In terms of dynamics, tha S1.4 are astonishing for its woofer size.