Transtube Studio Pro 112 Review | Peavey | Guitar Amplifiers | Reviews @ Ultimate-Guitar.Com
12 inch Blue Marvel speaker. T.Dynamics control. High and low gain inputs. Separate volume/gain controls. Low, mid and high EQ. EQ/gain voicing switches. External speaker jack. ... Transtube Studio Pro 112 Reviewed by: acecchetto, on march 25, 2004...