I have no experience with Wavac, but...
In a moderately sized room I had some years back, a pair of Cary 300B monos cleanly drove my (89db IIRC) Merlin VSM speakers as loud as I ever wanted to play them.
Just one more data point for you.
Marty
In a moderately sized room I had some years back, a pair of Cary 300B monos cleanly drove my (89db IIRC) Merlin VSM speakers as loud as I ever wanted to play them.
Just one more data point for you.
Marty