18" Karlson couplers - diyAudio
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Old 24th November 2007, 02:11 PM   #1
freddi is offline freddi  United States
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Default 18" Karlson couplers

some 18" woofers are suitable for Karlson couplers - I used a low qes low mass Eminence in a cabinet made from one 4'x8' sheet of plywood with good result. Cetec-Gauss marketed a 10 cubic foot 5181 K18 and I've posted those plans many times

a Karlson slotted tube waveguide wouldhave better vertical coverage than most horn

http://db.audioasylum.com/cgi/m.mpl?forum=hug&n=112737

1-sheet coupler
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a slotted HF waveguide might mounted inside per Karlson's 1965 "x15"
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