http://www.mh-audio.nl/spk_calc.asp
Loudspeakers
Calculate the effect of additional mass on the Thiele-Small Parameters
Calculate the sound pressure of multiple speakers
"Lobing" between two spherical wavefronts (drivers)
Calculate ETA
Importance of the Impedance Curve
Calculate Enclosure Resonances
Onken Bass Reflex Calculator
Acoustic Power Calculator Sealed Enclosure Calculator (Qtc)
Sealed Enclosure Calculator (Vb)
Vented Box-Calculator
Calculate Bass Horn
Calculate TQWT
Calculate Baffle Diffraction Loss
Thiele's Alignment based on QT
Transmission Line Calculator
Transmission Line Calculator ( Bailey )
Calculate Enclosures
Sixth-Order Bandpass Subwoofer-Calculator
Port-Calculator
Passive Radiator Calculator
Calculate new Qts with Series Inductor
TSP Calculator
Calculate Driver Reference Efficiency
Calculate maximum Sound Pressure Level
Loudspeaker Protection
Calculate Amplifier Power Required
Crossover/Networks
Calculate Active Bandpass Filter
Calculate Active Low & High Pass Filter
Calculate Serial Network from Impedance Curve
Calculate Impedance Equalization Circuit
Calculate Q of Second Order Network
Calculate 6dB, 12dB, 18dB & 24db Crossover Filters
Calculate Attenuation Circuit (Zobel)
Calculate Baffle Diffraction Loss
Series Resonant Circuit For Loudspeakers
Series Resonant Circuit For Tube Amps
Calculate Parallel Notch Circuit
Calculate passive RIAA EQ Network
How to measure the Phono Pre-Amplifier
Build a reversed RIAA EQ Network
Acoustics
Calculate Speed of Sound in fibrous material
Wavelength - Frequency Calculator
Calculate Room Modes
Calculate optimal Room Dimension
Reverb (RT60) Calculator
Calculate Amount of Standig Waves In A Rectangle Room
Calculate your Bass Trap, Panel Absorber, Slot Absorber, Skyline Diffusor or Quadratic Residue Diffusor
Diverse
Determining Output Transformer Impedance
Wire Resistance, Reactance & Inductance Calculator
Linkwitz Transformation
Calculate Cable Length & High Frequency Loss
Calculate Stepped Attenuator
Search Resistor
Find Parallel Resistor
Calculate Parallel Resistor
Calculate Resistor Values From Color Codes
Calculate Inductive And Capacitive Reactance
Calculate Led Resistor
Calculate Input And Ouput Impedance
Tube calculations
Calculate Dropping Resistor for Tube filament
Grounded-Cathode Amplifier Calculations
Turntable
Turntable Motor/Pully Calculations
Calculate Tonearm / Cartridge Capability
Calculate Passive RIAA EQ Network
Equivalents
Convertion Calculator
Fraction to Decimal Calculator