How Keith Richards' 1965 Fender Twin Reverb with 15-Inch JBL Speaker Defined His Crunch Tone on 'Beggars Banquet' and 'Let It Bleed'

The secret to Keith Richards’ signature crunch on Beggars Banquet and Let It Bleed wasn’t just a battered Les Paul or open-G tuning—it was a specific amp setup he leaned on heavily in 1968-69. He used a 1965 Fender Twin Reverb fitted with a single 15-inch JBL speaker instead of the standard two 12-inch speakers. This combo gave him a weird hybrid: the amp’s clean headroom was huge (85 watts), but when he cranked it to distortion, the JBL’s tighter cone and higher power handling produced a punchy, aggressive crunch rather than flabby breakup.

On songs like “Sympathy for the Devil” and “Gimme Shelter,” that amp is doing most of the heavy lifting. Richards typically ran a low-output guitar (a Gibson Les Paul or a Fender Telecaster) straight into the amp with no pedals, relying on the power tubes to overdrive. The JBL speaker reacted faster to transients than the stock Jensens, giving his rhythm parts a percussive, almost splatty attack that cut through the band without needing excessive gain