quad esl

Hello, I am researching a rare custom Quad ESL-57 full stack system (4 panels per channel) built by Wayne Picquet (Quads Unlimited, Longwood, Florida). The system includes an original plate reading: “Jim Swanson – Professional ESL ‘Quad’ Stack” I am trying to identify: - who Jim Swanson was -...

Dear ASR experts, In past weeks I've spent hours reading about DACs on this great forum. I'm getting overwhelmed by all options, so perhaps one of you can help me with a recommendation. I play my FLAC collection from a Pi4 with DAC2 HD, connected (1 ft) to my Quad 303 amp which connects (10...