plan problem? |
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jeth
Registered User Joined: 13 February 2005 Location: United Kingdom Status: Offline Points: 12 |
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Posted: 21 April 2005 at 1:09pm |
hello all..has any one found any of the figures in the
mt122 plan needed adjusting? I cut up the wood for the horn sections over a year ago but other things got in the way...Just come back to them and checked my marking, only to remember the problem i found before. The only way i can get everything to add up is to adjust either the length of the first section..shortening by a bit, or to make the side flares 11degrees rather than 12. With 220mm throat and 12degree flares I find the 324mm width for the mouth of first sec. at a point some 15mm short of the 258 length required....be very grateful if anyone can ease my mind on this...maybe my tri-square is bent? |
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Lasse Lukkari
Young Croc Joined: 09 March 2004 Location: Finland Status: Offline Points: 615 |
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I tried to model the speaker with CAD but the results don't look too good. There even some more problems with the measures: |
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jeth
Registered User Joined: 13 February 2005 Location: United Kingdom Status: Offline Points: 12 |
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cheers for the feedback vivo....
so how come everyone else has built these ok? Anyone? Did those of you who've built successfully have access to more accurate info or did you adjust either the throat width or flare angles to fit the other factors? Be interested to know..If someone else built them a certain way and they sound good it seems prudent to follow suit! Cheers...Jeth |
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