Amps to VA calculator. Amps (A) to volt-amps (VA) calculator and how to calculate. Enter phase number, the current in amps, the voltage in volts and press the Calculate button, to get the apparent power in volt-amps: A community dedicated to helping everyone learn the art of audio. Projects by fanatics, for fanatics! Speaker Pro 6.0 [Win] TopBox [Mac] WinSpeakerz 2.0 Demo [Win] Online software. Juha Hartikainen's Interactive Speaker Designer (several Java applets) Software collections. Software by Bullock and White; The software archive ( Audio files at Univ. of Alberta, Canada (

Oct 06, 2011 · B) Any closed cabinet is going to raise the Fs of the speaker. There's a point at which this increase in Fs becomes meaningless, and that's what we want for a guitar speaker, unless you deliberately want less bass output. So what you want to do is make the cabinet bigger than the largest Vas for the two speakers you have.