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In Reply to: RE: anyone happen to know the DCR for Klipsch 4mH AK3 inductor ? posted by freddyi on September 13, 2016 at 18:40:09
What was AK3 used in?. I have the A and AA here.
Follow Ups:
I guess it was in the line of Khorn networks. IIRC (?) AK2 used 4mH/140uF and AK3, 4mH/100uF in hopes to get a better blend between Khorn's basshorn and midhorn. - May take a low output impedance power amp to get the effect. Khorn owners could daisy chain 1.5mH with the stock A/AA 2.5mH inductor, wire things up with a switch or two to convert A/AA lowpass to AK3 lowpass and A-B compare.
Karlson Evangelist
Edits: 09/14/16
Shoot...looks like A/AA used 2.5's...wish I could help.
4mH probably has just a little more copper than the 2.5mH - my cheap ESR meter which seems to measure low inductance-wise, says the stock 2.5mH Klipsch inductor has 0.4 ohms DCR
Karlson Evangelist
So I'd guess .6 ohm for the 4 mh would be close.
I've got a transformer coil ~3mH rated (measures like my 2.5mH on cheap ESR meter) made by Electra-Print - not much larger than the Klipsch umot - DCR = 0.1 ohm - there's not gap in the EI stack - apparently, Jack thought there's no issue doing a speaker inductor that way - I wonderhow its distortion measures? - it would take a load, and safe attenuation to find out I think he made them this wa for Dr. Edgar but am no ture. (?)
Karlson Evangelist
Would be ideal to hook up a sig. gen.+ scope, w/dummy load and
couple hundred watts to play with and compare with air coil. But
I hear that it's not easy to get iron core to saturate...even
in PA situations. I doubt that it ever happens in home bass
horn applications.
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