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4th August 2011, 03:23 AM
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#1 |
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diyAudio Member
Join Date: Aug 2011
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Port location in a TL speaker
I understand the port has to be at the end of the TL, but in a speaker like this one:
http://homepage.mac.com/tlinespeaker...aps-150909.pdf the port fires down. That obviously creates some build complexity with the legs, and I am not a huge fan of that look. Could the port equally well be at the bottom firing to the side or front, or is there some reason (e.g. go off-axis from the two drivers) it needs to fire down? |
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4th August 2011, 03:45 AM
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#2 |
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frugal-phile(tm)
diyAudio Moderator
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Yes. front, side, back is fine
dave
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community sites t-linespeakers.org, frugal-horn.com ........ commercial site planet10-HiFi p10-hifi forum here at diyA |
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4th August 2011, 11:49 AM
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#3 |
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diyAudio Member
Join Date: May 2009
Location: Northern Ireland
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can it make a difference?
The reason i'm asking is i'm working on a pair of speakers for my son - my first transmission lines. Initially i had the ports firing down with the speakers temporarily raised on blocks about 4" then i flipped them so the port was firing upwards with about 4' between port and ceiling there seems to be a lot more bass that way. The speakers are designed with an F3 of 40hz and F10 of 30hz so could it be the long wavelengths at these frequencies that are getting affected? Is it just my ears playing tricks on me?
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There are 10 types of people in the world: Those who understand binary, and those who don't... |
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4th August 2011, 06:30 PM
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#4 | |
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diyAudio Member
Join Date: Aug 2002
Location: victoria BC
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Quote:
IINM, the port could even be rationalized into a rear firing slot to maintain a smooth front panel. FWIW, the aesthetics on these were a direct homage to speakers that Dave & I sold many hundreds of pairs "back in the day" - for that matter I've copied the treatment used on bases of the original EPI MT2 well. 
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you don't really believe everything you think, do you? community sites t-linespeakers.org, frugal-horn.com commercial site planet10-HiFi |
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11th August 2011, 08:36 PM
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#5 | |
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frugal-phile(tm)
diyAudio Moderator
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Quote:
dave
__________________
community sites t-linespeakers.org, frugal-horn.com ........ commercial site planet10-HiFi p10-hifi forum here at diyA |
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