I have used both and am still using Quad. OTL (Output transformerless) amps work very well with ESL speakers. Check out the Transcendent OTL T-8 mono blocks. They work especially well with Quad speakers.
You must have a verified phone number and physical address in order to post in the Audiogon Forums. Please return to Audiogon.com and complete this step. If you have any questions please contact Support.