I got a Pelham blue SG limited run (barely used) several months ago and love it. More recently I got a 61 reissue and am surprised it sounds so much different when played without an amp. Not that it’s a problem or anything but the blue limited is pretty bright sounding and I put a set of Bareknuckle Riff Raffs on it and it sounds pretty sweet to me. The 61 is much warmer and bass heavy. Amplified... obviously other factors make a difference. But acoustically they’re really different. Don’t get why they sound so different. Any thoughts? Different grades of mahogany? Something else?