I've had Quad ii jubilees, a special gold plated version. Also, quad ii forties with KT88s. Both sound spectacular on Zu.
I tried nos 6l6s on the Jubilees and didn't like em at all. kt66s sounded great.
Read some of my old posts on amps with Zu- tried quite a number
I tried nos 6l6s on the Jubilees and didn't like em at all. kt66s sounded great.
Read some of my old posts on amps with Zu- tried quite a number