Introducing Tonestack Kit

Simulate guitar amplifer tone circuits.

Available for iOS & Android.

27 Circuits

• 9 single-knob circuits:
• _{^{1974X (Normal & Tremolo), 5F2A, 6162, Bridged-T (2 versions), Moonlight, Tilt (2 versions)}}

• 11 two-knob circuits:
• _{^{6G6B, 6G7, 6G8, Baxandall, Bone Ray, Centurion, E-Series, James, Top Boost, Voigt, YGM3}}

• 7 three-knob circuits:
• _{^{1959, 2555X, 60TC, AB763, DR103, James w/ Shift, ODS}}

Interactive Controls

View real-time frequency response while manipulating tone knobs and switches.

Long-tap on the chart to see detailed frequency response data.

Edit Circuit Values

Edit resistor, capacitor, inductor, voltage source and potentiometer values.

7 potentiometer tapers.

Convert to standard component values at the touch of a button.

Load, Save & Share

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
• TMB or BMT knob ordering
• Chart decibel range
• Number of sampled points
• Guitar and bass frequency highlighting
• & more