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In Reply to: RE: K-horn bin with altec woofer impedance curve. posted by Wojciech on April 01, 2016 at 15:41:37
Moray ,
I have Altecs in a place of K-33 for years now.To me they work much better than K-33 but they don't make a LF boom like K-33 tend to do and consequently may be perceived slightly bass shy compared to K-33. K-Horn is after all a 40Hz midbass horn.. I posted the impedance plot of K-Horn with altecs just as an illustration. The one with K-33 looks quite a bit more violent.
Follow Ups:
I was thinking that some of the Altec are 16" dia. and concerned about them fitting. Which model are you using? I have seen simulations for a 515 (I think)that looked good in a Khorn. Thanks for posting.
moray james
I put old 803A there , hard suspension Fs=40Hz and 12 Ohm impedance.Great sounding unit but my examples were old and too fragile to use in direct radiator application.I remember that I was intrigued by Vitavox version of K Horn which supposedly sounded better than original Klipschorn and used expensive K15/40 alnico beast in two-way with 300hz horn on the top crossed at 500hz to S2 CD.
Edits: 04/02/16
The Altec woofers are only a size problem in the LaScala (or Cornwall).
Edits: 04/01/16
Dennis: thanks, do you know if an Altec can squeeze one into a Belle? The triangular dog house should provide a little more space for the speaker basket than there is in the LaScala. A Peavery FH1 would likely be a fit as well.
moray james
Sorry, not sure about the Belle.
The motor board is wider than the LaScala, but I have never tried it.
A PPSL quad 8 plenum does fit though.
That's good. Fits better than any fifteen I bet. So worth checking on a Belle though. Thank you for the information.
moray james
Wondering if any Altecs would fit in a Cornwall 1 box and whether it would be better than Bobby Crites woofers?
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