Loudspeaker Vent Designer - Calculate vent length.*
Minimum Vent Size Box Frequency Response - Use to find how low you need to tune for a given displacement and vent diameter, hence the smallest vent possible. Also gives length required.
Linkwitz Transform EQ - Calculate component values for a Linkwitz Transform.
Loudspeaker Box Designer - Spreadsheet to give you panel sizes and cutting list for a given box volume.*
Loudspeaker Toolkit - Spreadsheet to assist with the measurement of Thiele-Small parameters. See my white paper!*
* Open with OpenOffice V2.x
2nd-order Low Pass Filter Designer - Calculate component values.
Amplifier Designer - Calculate what rails you need for a power amp and also the transformer.
Audio Signal Generator - Simple program to generate sine waves.
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