Join or Sign In

Sign in to add and modify your software

Sign in with Facebook Sign in with email

By joining, you agree to our Terms of Use and acknowledge the data practices in our Privacy Agreement.

PAcalculate for iOS

By Jose Brusi Free

Developer's Description

Over 22 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- 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)- dBu dBV Volts- Q B/W (bandwidth)- Limiter threshold- Amplifier gain- Speaker cable: low impedance, high impedance (constant voltage line, 70V/100V). Calculates energy and level loss, system damping factor- Lights: DMX channel, RGB/RGBW/RGBA and CMY- Reference info such as pinouts (proaudio and lighting) and graphs- Utilities

Full Specifications

What's new in version 1.2.2

v1.2.2Assorted operational improvementsv1.2.1New flashlight functionalities for low light useQ B/W calculator allows for easier entry of decimal pointsLighter graphicsLocalisation improvements (courtesy of Manlio Bonfadini!)New language: italianov1.2.0New calculator: Keyboard note to HzOutput voltage now displayed in Limiter calculatorPre-calculation (for one-way calculators)Assorted improvements


Release June 12, 2016
Date Added January 22, 2014
Version 1.2.2

Operating Systems

Operating Systems iOS
Additional Requirements Compatible with: iphone3gs, iphone4, ipodtouchfourthgen, ipad2wifi, ipad23g, iphone4s, ipadthirdgen, ipadthirdgen4g, iphone5, ipodtouchfifthgen, ipadfourthgen, ipadfourthgen4g, ipadmini, ipadmini4g


Total Downloads 5
Downloads Last Week 0
Report Software

Related Apps

Google Chrome

Google Chrome

Firefox: Private, Safe Browser

Firefox: Private, Safe Browser

Truecaller - Spam Identification & Block

Truecaller - Spam Identification & Block

WinZip - The Leading Zip, Unzip & RAR Tool

WinZip - The Leading Zip, Unzip & RAR Tool

Best VPN Services for 2021

Best for privacy

3 months free with 1-year plan

Best for customer support

$39.99 for the first 12 months

Best for zero logs

$4.87.99/months for a 1-year plan

Best money-back guarantee

$2.99/months for a 3-year plan