I have Harbeth Super HL 5 Plus and used to power it with the top of the line Hegel integrated and I didn’t like the match. My local shop got me a deal on a lightly used Accuphase E-600 and it suits my needs perfectly. If I was younger it wouldn’t be enough power for me but at almost 60 it’s not lacking anything. There’s much better matches with Harbeth than Hegel. Nothing against Hegel. They have their place, but not so much with Harbeth IMO.
That’s useful. Hegel is highly recommended by the Harbeth designer but I don’t trust him after reading his views on amplifiers. Accuphase is nice. The E-650 is highly recommended by many and supposed to sound better than the 600. 