25K B taper (linear) snap-in-style potentiometer used primarily as reverb or middle controls 1/4" solid shaft design Accept set-screw mounting knobs Mounting washer and nut included Used on Blues Deluxe™/DeVille™, '94 Twin®, Bassman® 300, Pro Tube Twin®, Pro Tube Concert, Hot Rod Deluxe™/DeVille™, and Bassman TV series amplifiers (1994-present) 666483
