Amps that bring liveliness to low efficiency speakers?


Looking for used amps only - integrated or power amp, dual mono design. No class D!
128x128zuio
Look at Pass 350.8 or 250.8 very dynamic with  great  staging  and bass also a great co.
Cayin h80a amp. 80wpc of pure class a. 
Dual mono design. Can be had used for 1500 or so. Drives my mc-rl21s, which are 4 ohm, to sonic heaven. 
Allow me to clear up all this intrigue.

KLIPSCHORNS & Marantz 2252 or 2270


You'll thank me  :>)