If that's the amp design I'm thinking about (4CX250B), it's a terrible design. It was notorious for splatter and distortion. With 813s, maybe it was OK. 73, Mike www.w0btu.com On Mon, Dec 5, 2016 at 6:54 PM, Fern Rivard <crc at cyberlink.ca> wrote: > A better way yet is to go G2DAF >