I was watching an episode of Great Performances on PBS last night, which featured the ?Eric bClapton/b and Steve Winwood: In Concert From Madison Square. ... But it departed from a Telecoustic in a couple of ways: instead of an oval-shaped sound hole, it had an f-hole on the upper bout, and it had control knobs on the blower/b bout. It held its own with EC's Strat and with the rest of the band; it cut through the mix just fine. And yet it had a real acoustic tone. ...