As an ex-owner of Harbeth 7ES, Harbeth don't really do bass correctly.
My advice, call Harbeth and ask their advice.
A sub for £400 probably will disappoint, people do this all the time, spend loads on the main speakers and then scrimp on the sub.
My advice, call Harbeth and ask their advice.
A sub for £400 probably will disappoint, people do this all the time, spend loads on the main speakers and then scrimp on the sub.