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Differences Between Folded Horn Speakers and Transmission Line Speakers

I've been looking at various DIY speaker builds and came across a folder horn speaker and I've also seen transmission line speakers. I've tried to google the differences in the two, as they look similar, but I suspect that there are differences. The only visual difference that I've noticed (I've only seen one folded horn, so the comparison pool is very small) is that the folded horn seem to have a larger opening than the transmission line speakers. Maybe it's just the one speaker that I saw, so I don't know that would always be the case. I'm hoping someone on the forum is much more knowledgeable about these things than I am. 

mcraghead
mcraghead OP
17 posts
 

@raam Good luck with the speaker build. Please, let us know how it goes. To have to fit it in an RV is a heck of a constraint. smiley

raam
110 posts
 

Thanks:)

I have done a ton of work to be able just to have a decent space to setup a good system. I added 1.5 ft to the length of the RV which has 8 ft ceilings and 8ft wide, 5ft deep until it hits the slide outs on each side then 12.5 ft wide but one side is cabinets with counter top and other side is wood stove, book shelves and Ekornes couch facing the speakers which are 8 ft from the couch and face of them can be as far as 36" from the rear wall but only 12" from the side walls. The speakers are on each side of the 24" D by 54" wide desk that is very solid and has a 2cm Brazilian green soapstone top, like the 8 ft wide kitchen lower cabs, wife's 54" wide stand up desk and 5ft island. The sides are not even near to being equal so there will be some figuring out to do decent acoustic treatments. Some will have to be moveable for critical listening, if such a thing works out.

Rick

 

raam
110 posts
 

The speakers will be around 26" from face to rear wall and 8" to side walls most of the time. The design is intended to be close to the rear wall, corner located, etc so might be better in this position, just able to move them around a bit more if needed.

 

dickieboy's avatar
dickieboy
71 posts
 

I have never really cared for ported speaker bass, but love the bass from my PMC's. Remarkable given the driver and cabinet size. One guy's opinion.

guscreek
73 posts
 

https://live.staticflickr.com/65535/54276973197_80d2b5de32_w_d.jpg

@dynamiclinearity Yes my DCM Time Frame 2000s are TL terminated on the front with two ports, possibly one for each 8" woofer.  The pair dig So Deep even in my apartment.  In my old house with a high roof and big room I liked nothing more than to Turn IT Up leave the room and revel in the low end power!  My first REW 20-20000 sweep was Joyous.  Just a blast off from the first tone, fabric on the two ports lifting 2 inches.

No subwoofer or center channel need apply; just two perfect speakers for me.

Happy Listening!

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