John:
Do you recall if the SB-200 you owned had the old Cetron 572Bs?
I'm wondering if the new Taylors would deliver as much as 8 or 900W.
I think these tubes have a plate dissipation of about 160W. 2 of them at 320X2.5 as a rule of thumb would give a ball park of 800W.
TNX & 73:
Michael DE VO1RYN