PAcalculate

Over 25 calculators for pro-audio sound reinforcement and lighting, as well as reference info and utilities. A super handy tool for people dealing with PA, sound reinforcement, sound systems, electroacoustics, pro-audio and lighting

The app is very light (~1MB, like a typical mobile photo), works offline and uses no data bandwidth

More than 40 calculations spread across 25 calculators:
- SPL (sound pressure level). Enter sensitivity in dB SPL, power, number of loudspeakers, phase and distance
- SPL sum
- Air absorption attenuation for a given humidity, temperature, frequency and distance
- Ceiling speaker coverage
- Time «» Distance
- Audio frequency «» Wavelength (includes lambda/2 and 2*lambda/3 for line arrays or subwoofer arrays)
- Line Array transition distance (near field to far field)
- dBu «» dBV «» Volts
- Q «» B/W (bandwidth)
- Limiter threshold (and times)
- Amplifier gain
- Speaker cable: low impedance, high impedance (constant voltage line, 70V/100V). Calculates energy and level loss, system damping factor
- Electrical and musical calculators that are related to audio. Unit conversion
- Lights: DMX channel, RGB/RGBW/RGBA and CMY
- Reference info:
Pinouts, proaudio (XLR, 1/4", SpeakOn, DB25) and lighting (XLR3, XLR5) and graphs (Fletcher&Munson, microphone polar plots)
- Utilities (inclinometer, flashlight-needs camera permission that can be later revoked in phone settings)

iOS (iPhone/iPad) and WindowsPhone versions are also available
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4.5
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What's New

- New feature: limiter attack & release times
- Bug fix: VIRP calculation now shows R when Power is the last variable entered
- Celsius «» farenheit conversion now active on Time «» distance and Frequency «» wavelength calculators
- UI improvements

1.2.6
- Backdoor link to old Powersoft limiter calculator in main menu info ("i") page
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Additional Information

Updated
May 20, 2018
Size
902k
Installs
10,000+
Current Version
1.2.7
Requires Android
2.3 and up
Content Rating
Everyone
Permissions
Offered By
Doctor ProAudio
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