The Reference 2 MK2 was the former reference linestage preamplifier from Audio Research. It is a fully balanced design and all inputs can either be used single ended or balanced.

This unit has been factory supplied in a beautiful exclusive black finish with silver colored knobs. Please note that the lettering on the backpanel is fading away, as can be see more often with Audio Research units. Including original remote and box. Newprice (Europe) 11.200 euro, now available for 2.850 euro.