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My horn pics and SET 45 amp question ?

Posted by Les Hudson (M) on March 2, 2007 at 13:29:59

I'm using a pair of Tractrix 180hz Front Horns (see pic) full range 6.5" drivers (about 106db). This is powered by a homebrew SET 45. My question is - How can I determine the coupling cap needed (in the 45 amp) to help create a hi-pass filter at about 50 hz? I would prefer that the 45 tube , trannys , and 6.5" speaker never had to see anything below 50 hz without having to introduce a crossover.

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