diyAudio - Entries for October 6, 2013
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Passive line level filters.

Posted 6th October 2013 at 02:27 AM by MITsound (Dedicated satellite/sub combo)

Tried out fmod high and low pass filters to feed inputs on a 300B integrated and Nait 5 , used to drive mid&treble horns, and 15" trace Elliot woofers , respectively. All mounted on large(ish) open baffle. 6db highpass @ 900hz leaves out enough bass and eq's a "hump" in the mid's response. Instead of a series cap for the highpass leg of this "filtered rca splitter", would I parallel another cap from hot to neutral to create a low pass? This is being done with 3 rca sockets in a project box per channel as I don't wish to mod the original amps and to ease cap swapping which past speaker level crossovers have proven irresistible for me to avoid revising. I do wish to maintain 1st order filtering, for the sake of fixing a couple of minor "humps" and "knees" in these drivers' responses. Bear in mind I'm very new to the electrical side of audio. Any help welcome.
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