Tonestack Kit

EDIT AND VIEW THE FREQUENCY RESPONSE OF CLASSIC GUITAR AMPLIFIER TONE CIRCUITS

Interactive controls allow you to view the frequency response changes in real-time as you manipulate tone control knobs and switches. Long-tap on the chart to see detailed response information.

UP TO 27 REAL-WORLD CLASSIC GUITAR AMPLIFIER TONE CIRCUITS

9 circuits included with the free app: 1959, AB763, Bone Ray, DR103, E-Series, Flex Tilt, James, Tilt & Top Boost

18 additional circuits added with a single in-app purchase: 1974X Normal Channel, 1974X Tremolo Channel, 2555X, 5F2A, 60TC, 6162, 6G6B, 6G7, 6G8, Baxandall, Bridged-T, Bridged-T (Alternate Version), Centurion, James w/ Shift Control, Moonlight, Overdrive Special, Voigt, YGM3

EDIT CIRCUIT COMPONENT VALUES Edit resistor, capacitor, inductor, voltage source and potentiometer values. 7 potentiometer tapers available. Convert to standard component values at the touch of a button. See the effect on frequency response.

LOAD, SAVE & SHARE CIRCUIT EDITS Save and load edited circuits. Share frequency response images or export curves as .csv files and import them into a spreadsheet. Share schematic images or save them to your device.

EXTENSIVE SETTINGS Editable circuit names 'Dark' and 'Light' themes Preferred resistor series 'Treble-Middle-Bass' or 'Bass-Middle-Treble' knob order Chart decibel range Number of sampled points Guitar and Bass fundamental frequency highlighting & More!