Gretsch offered two bass guitar amplifiers in 1965 (at a time when they only offered one bass guitar), the 70 watt 6154 Super-Bass and 35 watt 6159 Dual-Bass. These amps were both fitted with dual 12" Jensen bass speakers. The Super-Bass was an eight tube amp, with a US list price (1965) of $295. The Dual-Bass had seven tubes, and a list price of $259.50.
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