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175 Search Results Found |
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Forum: Pi Speakers «»
Posted on: Wed, 11 September 2002 20:19 «»
By: replay
transmission line enclosures
…to these asks where the sub is. they are a transmission line enclosure. what are your thoughts on this design and can this be implemented into a pi speaker? i'd appreciate your thoughts on the pros & cons of this enclosure. i just love the low end these …
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Forum: Pi Speakers «»
Posted on: Mon, 06 June 2005 23:45 «»
By: Wayne Parham
Basshorn or Transmission Line
…of looking at it is as a tapered pipe or transmission line. On casual inspection, this model appears to show some of the same features. A straight flare with shallow taper is a transmission line; They're one and the same thing. And if you look at a …
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Forum: Speaker «»
Posted on: Mon, 22 December 2003 16:34 «»
By: paba
alpha Transmission Line
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So after reading the article (recipe) in audioxpress by Rick Schultz. I'm afraid the JX92S in the article might not cut it with 8 Watt mono amps. So I decided to crunch some numbers in excel with most of the fostex drivers I can get nearby. So I used the…
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Forum: Speaker «»
Posted on: Tue, 08 December 2009 18:41 «»
By: Villain3g
Dipole/Bipole Transmission Line
… want to use them in a pair of bipole/dipole transmission lines tuned to 80hz. Im also going to attempt to laminate plywood to achieve a curved line. I have some questions:
Can two drivers occupy the same t-line?
Does the second driver's Sd affect…
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Forum: Pro Sound «»
Posted on: Thu, 26 May 2005 15:10 «»
By: Wayne Parham
Basshorn or Transmission Line
…whether it is more appropriate to consider basshorns to be transmission lines or tuned pipes.
Typical basshorn acoustic impedance and response
Below 100Hz, impedance shown above is highly reactive. It acts very much like a tuned pipe…
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Forum: Pi Speakers «»
Posted on: Fri, 24 November 2006 16:55 «»
By: Wayne Parham
Reflex cabinets, transmission lines and basshorns
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Transmission lines are similar to vented speakers in that they employ a resonator to load the woofer at a low frequency. They use 1/4λ standing wave pipe modes instead of Helmholtz resonators, but the end result is similar.In a transmission line, the …
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Forum: Pi Speakers «»
Posted on: Sat, 31 August 2002 10:51 «»
By: spkrman57
2 Pi tower / transmission line
…out of the norm. I have a pair of Radford transmission line cabinets that I bought empty (no drivers), Since it will take just a little extra work before I install the 2-Pi tower system, I want to try and put the alpha 10 in this cabinet(orignally made …
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Forum: Speaker «»
Posted on: Thu, 18 August 2005 08:08 «»
By: Retsel
Re: Horns, transmission lines and reflex cabinets
…the Hedlund Horn is a true horn and not a transmission line as you suspected. I believe that Jan Hedlund designed them with a Tactrix flair.If you reread my post you will see that I did not say that transmission line speakers suck. I did said that …
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Forum: Pi Speakers «»
Posted on: Sat, 26 July 2003 13:13 «»
By: Wayne Parham
Acoustic waveguides and transmission lines
…never built a speaker to use a non-tapered transmission line for a tuning device. But I can't see any reason that having cross-section area equal to diaphragm area should be a requirement. Check out the paper written by Daniel Russell called "Acoustic …
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Forum: Pi Speakers «»
Posted on: Sun, 30 May 2010 15:13 «»
By: Wayne Parham
Re: 2 pi tower variants
…below.
First, the two π tower isn't a transmission line or horn, so folding it is sort of non sequitur. Its tuning mechanism is Helmholtz, so the shape doesn't matter... with the following caveats.
I say it "doesn't matter" but in fact …
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