"Don Pearce" wrote in message
...
On Sat, 03 Mar 2007 18:18:13 GMT, "Fred DeRosa"
wrote:
This is a diagram of my North American Sound monitor series loudspeaker.
In
the literature, it is billed as a "transmission line" speaker.
http://panterragroup.home.mindspring...%20Speaker.pdf
Is this really a TL speaker? Of the TL designs I have seen, this has got
to
be the simplist. It is 36" tall and with approximately 1ft^2 footprint.
Might as well show the actual literature.
http://panterragroup.home.mindspring...o/monitor1.jpg
http://panterragroup.home.mindspring...o/monitor2.jpg
http://panterragroup.home.mindspring...o/monitor3.jpg
No, that isn't a transmission line, just a plain old vented enclosure.
The purpose of that baffle in the centre is unclear, unless it is
designed to provide some stiffness to the box.
d
--
Pearce Consulting
http://www.pearce.uk.com
Thanks Don,
In reading over my own literature that I posted I could not find where I got
"Transmission-Line." However it does describe the enclosre as "a unique
acoustically damped bass reflex system." Ok, it does look like that. I
suppose I was reading too fast as I read "phase-aligned" and "time-aligned."
fd