Details

The vacuum-tube amplifiers produced by Fender Electric Instruments in the 1950s are some of the most legendary of all electric guitar/bass amplifiers. The "tone stack" modeled in this Demonstration is typical of several Fender models, as well as Fender-inspired designs from such manufacturers as Marshall and Vox.

Schematics of most vintage Fender amplifiers may be found at www.schematicheaven.com/fender.htm. Photos of various models can be found through Google Images. (Original specimens of certain models from the 1950s and early 1960s can fetch as much as $10,000 today.)

The frequency response function used in this Demonstration was derived with Mathematica, using Kirchhoff's laws and the Laplace transform.