Réponse du service client de chez fender à l'une de mes questions concernant cet ampli :
"Thanks for writing in. The passive tone stack is an "interactive tone circuit". When you adjust different knobs, it changes the frequency ranges of other knobs. This interaction is part of the recipe that makes it sound great. The "flat" setting is 3 for the bass and treble and 12 for the mid (3-12-3). I hope this will help you out.
Fender Musical Instruments Corporation Consumer Relations Department 8860 E. Chaparral Rd. Suite 100 Scottsdale, AZ 85250 480-596-7195 email@example.com"