The Gretsch 6152 was sort of a big brother to the 6150 and 6151. It was also sold as the Supro model S6422TR (and S6522TR), National model N6422TR, and Airline model 62-9025A. National models were fitted with a 12" speaker all years. Airline models were fitted with a 10" speaker.
— Mar 9, 2010 4:07 p.m.