**Subwoofer Box Comparison Calculator:**

Compare bandpass, sealed and vented frequency output graphs

for a subwoofer in one program.

Solving for speaker resonance frequency.

Inputs:

system resonance frequency (f _{c})= 0 = 0 hertz |

speaker total Q at f _{s} (Q_{ts})= 0 = 0 |

speaker system total at f _{c} (Q_{tc})= 0 = 0 |

speaker resonance frequency (f _{s})= NOT CALCULATED |

Select to solve for a different unknown

constant

constant | |

speaker system total Q at f_{c} | |

speaker total Q at f_{s} |

efficiency bandwidth product

efficiency bandwidth product | |

speaker resonance frequency | |

speaker electrical Q |

system resonance frequency

system resonance frequency | |

speaker system total Q at f_{c} | |

speaker resonance frequency | |

speaker total Q at f_{s} |

minus three decibel half power frequency

minus three decibel half power frequency | |

system resonance frequency |

net internal box volume

net box internal volume | |

air volume with same acoustic compliance as the speaker suspension | |

constant |

free air reference efficiency

free air reference efficiency | |

speaker resonance frequency | |

air volume with same acoustic compliance as the speaker suspension | |

speaker electrical Q |

sound pressure level

maximum air volume displaced by cone excursion

cone effective radiation area

K_{1} constant

K_{2} constant

A_{max} constant

maximum displacement limited linear power output

required electrical input to achieve P_{ar}

peak sound pressure level

sound pressure level | |

free air reference efficiency |

maximum air volume displaced by cone excursion

maximum air volume displaced by cone excursion | |

cone effective radiation area | |

cone peak linear displacement |

cone effective radiation area

cone effective radiation area | |

cone diameter plus one third of surround |

K

K_{1} constant | |

air density | |

system resonance frequency | |

maximum air volume displaced by cone excursion | |

sound speed in air |

K

K_{2} constant | |

K_{1} constant |

A

A_{max} constant |

maximum displacement limited linear power output

maximum displacement limited linear power output | |

K_{1} constant | |

A_{max} constant |

required electrical input to achieve P

required electrical input to achieve P_{ar} | |

maximum displacement limited linear power output | |

free air reference efficiency |

peak sound pressure level

peak sound pressure level | |

maximum speaker power input |

References - Books:

1) Dickason, Vance. 1991. The Loudspeaker Design Cookbook. Audio Amateur Press. 4th ed.

2) Steele, Brian. 2002. The Subwoofer DIY Page v1.1. http://www.diysubwoofers.org.

1) Dickason, Vance. 1991. The Loudspeaker Design Cookbook. Audio Amateur Press. 4th ed.

2) Steele, Brian. 2002. The Subwoofer DIY Page v1.1. http://www.diysubwoofers.org.

Home: PopularIndex 1Index 2Index 3Index 4Infant ChartMath GeometryPhysics ForceFluid MechanicsFinanceLoan CalculatorNursing Math

Online Web Apps, Rich Internet Application, Technical Tools, Specifications, How to Guides, Training, Applications, Examples, Tutorials, Reviews, Answers, Test Review Resources, Analysis, Homework Solutions, Worksheets, Help, Data and Information for Engineers, Technicians, Teachers, Tutors, Researchers, K-12 Education, College and High School Students, Science Fair Projects and Scientists

By Jimmy Raymond

Contact: aj@ajdesigner.com

Privacy Policy, Disclaimer and Terms

Copyright 2002-2015