Rob Robinette

Rated 4.02(47) — Rob Robinette

Automobile Performance Math Calculator designed for the road racer, drag racer or car enthusiast.For all of the calculations simply fill in the yellow boxes and touch 'Calculate'The Horsepower Calculator will give HP from torque or torque from HP, HP...

Rated 4.11(35) — Rob Robinette

The Tube Bias Calculator will calculate power tube bias values of Plate Current, Dissipation and % of Max Dissipation using either measured voltage drop across a cathode resistor or measured plate current. It has a database of 36 tube types and will...

Rated 3.66(35) — Rob Robinette

This calculator has two primary functions: The 'Headphone Resistor Network Calculator' page will help you determine the optimum resistor values for a headphone to speaker interface which will electronically match your headphones to a speaker amplifier...