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yeah - little BMS would be on list - maybe cheaper ferrite version - if works as well as neo

Hi Johnny - 2" width is small. Are you sure to work in "real world" these rules must be followed to produce this type waveguide? - can the rules be bent with good results? - say 2CM high horn with...

Ah Johnny - so that explains the adaptor.

I only have original article 1" format Smith horns and wish to try 5Khz version with them, conical, whatever horns laying around.

does your 5Khz...

thanks Johnny - 43 inches - haha - might do something funny with power response & EQ needs too (?)

do 1" format Smith load OK to 800Hz?

heres one with a funky Peavey 22A...

might have to cheat a bit on driver and try APT50 phenolic as may have more HF power/rattling than my 806 & 807. maybe a hacked KSN1016 with stepup transformer would work too :biting: (or Leson)
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I'd like to know too how to lower cutoff - width's no problem

also - are there any followup to Johnny's 5Khz Smith-horn? don't understand the pointy conical thing in his drawing

Old Article
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great freebie ARTA

http://www.fesb.hr/~mateljan/arta/