Calculators / Info

Filter Free 2014

Design Gaussian, Bessel, Butterworth, Chebyshev Type I, Chebyshev Type II, Hourglass, Elliptic, Raised Cosine, Matched and Delay filters for Low Pass, High Pass, Band Pass, and Band Stop Filter Classes.

Tone Stack calculator

The Tone Stack calculator is designed to help you check out the design and response curves of a variety of tone stacks used in popular guitar amplifiers. It is intended to be of interest to amplifier technicians, amp modifiers, hobbyists and students.

Tube DataSheet Locator

The TDSL (Tube Data Sheet Locator) Personal Edition provides information right on your PC for a large number of vacuum tubes. Advanced searching facilities help you to compare different types and make substitutes for hard to find vacuum tubes. It is intended to be of interest to amplifier technicians, amp modifiers, hobbyists and students.

Speaker impedance calculator

Tired of working out what the individual power ratings etc.? Grab an Excel 5 spreadsheet that will do it for you!! Handles various combinations of series and parallel to give you the power rating required for each speaker, and the impedance of the whole combination.

Ohm's Law calculator

A simple little Ohm's Law calculator - input two of the known values (power, voltage, current, resistance) and get the last two calculated. Might be handy for quick calculations - has been for me, anyway.

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