tools, calculators

On this page you find quite a lot of small usefull tools to do speaker calculation.

Calculation of cabinet:
The cabinet should fit to your woofer in the cabinet. The following tools help you designing a box:
closed cabinet ported cabinet transmission line cabinet volume calculator LspCAD Lite

 
 
crossover calculator:
If you need a crossover, this can be calculated for speaker with totally flat frequency and impedance response (what is not the reality).
2-way crossover multiple way crossover (java-applet)

 
 
crossover calculations
level-
calculator		 Frequency Response Leveller Impedance-correction-
calculator		 RLC-
calculator		 LC-parallel
calculator		 LCR-parallel
calculator		 D'Appolito-
calculator		 inductance
calculator		 resistance
calculator		 cable
calculator

 
 
device and cable calculator:
woofer
calculator		 capacitor
calculator		 inductance
calculator		 resistance
calculator		 cable
calculator

 
 
the room
Helmholtz resonator room resonances

 
speaker development:
Subwoofer design of a multiple driver loudspeaker T&S parameters measuring Frequency and phase response measuring Special Considerations II

 
software for measurement
sine wave generator
for MS Windows ©		 Oscilloscope 1 Oscilloscope 2 Slowdown to
use the DOS based
Netcalc *)		 Audua
Speaker Workshop
software		    

*) Netcalc, a program from the Waldo CD, is for PCs with less than 200 MHz CPU-clock frequency.
With Slowdown it's running on any GHz-PC in our lab.