I have Sonic Frontier SFL2 and Power 3(power amp) when the pre amp is still cold it sometimes makes audible noise at the speaker when I tab on the pre amp.And usually does not behave this way after it gets warm -hot.
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.
