Audio Asylum has a Dynaco forum.You could try a post there.
I own one of these in perfect order.They do hum a bit but sound pretty good.[for a transistor amp].They seem to have a particular affinity to Van Morrison and old BBC monitor type speakers like LS3/5a and BC1.
JT
I own one of these in perfect order.They do hum a bit but sound pretty good.[for a transistor amp].They seem to have a particular affinity to Van Morrison and old BBC monitor type speakers like LS3/5a and BC1.
JT