Audio Band
Audio Band
How can i design some pass-band filters for audio?
I need one between 20-130Hz, another from 20-500Hz and another from 80-300Hz. I was thinking doing it with operational amplifiers but i'm not sure what's the easiest way to design those (like using a software).
You will need to do some math. See http://focus.ti.com/lit/ml/sloa088/sloa088.pdf and then look at the band pass pages. SK active filter configurations are listed, so you will need to plug in the pass band values to compute the R and C value. The easiest filter shapes are Butterworth filters. Good luck.
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New Band Karaoke PA DJ Pro Audio 15" Deluxe Two Way Monitor Speaker Pair PPT15C List Price: $899.99 Sale Price: $234.99  |
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SpecificationsBrand New Pair of Dual Ported 15" Trapezoidal Shaped CabinetsThese Speakers can receive 800 Watts RMS per pair & 1600 Watts Max per pair at 8ohmSensitivity is 95dB with 30-30,000 Hz Frequency ResponseWoofers are Deluxe 90oz 15" 8ohm DriversWide Dispersion High Compression Horn TweetersTerminals Have Two 1/4" Jacks and Spring Loaded Raw Wire ConnectorsConstructed with High Quality 3/4" MDF WoodDeluxe Steel Protective GratingsHeight 27... |
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SpecificationsOne Pair / Two Brand New 10" High Performance Subwoofers400 Watts RMS & 800 Watts Max per pair60 - 5000 Hz Frequency ResponseSPL @ 94db8 Ohm ImpedanceHigh Temperature 2" Parabolic 4-Layer Aluminum Kapton Voice Coils50oz Magnets and Vented Pole PiecesSturdy Poly-Infused Paper Cones with Cloth Accordion Edge SurroundsProgressive Rolled SpidersSteel FramesOverall Dimension is 10... |
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