1964 Fender Reverb Unit 6G15 – Blond
Out of stock1964 Fender Reverb Unit 6G15 – Brown Tolex
Out of stock1965 Fender Reverb Unit 6G15 – Blackface
Out of stock1966 Fender Reverb Unit 6G15 – Blackface
Out of stock
Fender Reverb Units History
Fender introduced the original standalone 6G15 reverb unit in 1961, designed by Fender engineer Bill Turner. It was Fender’s first dedicated outboard effect and became integral to the surf music movement.
The 6G15 featured an all-tube circuit consisting of one 12AT7 (driver), one 6K6GT (reverb driver), and one 12AX7 (recovery/gain stage). It used a 6-spring Accutronics reverb tank and offered three user controls: Dwell, Mix, and Tone, allowing much greater control than the built-in amp reverbs that appeared later.
The first 6G15 reverb units that came in 1961 were finished in brown Tolex with brown or wheat grille cloth and were in production until 1964.
In 1962, Fender also introduced the Blonde Tolex reverb units with wheat grille cloth and were in production through 1964.
In late 1963 and onward, the units adopted the black Tolex with silver sparkle grille cloth, in line with the Blackface amp cosmetics of the time. The circuit remained largely unchanged during this cosmetic shift.
The reverb units were discontinued in 1966. The Vibroverb-Amp 6G16 – Brownface was the first Fender amplifier to feature a built-in reverb.
