0 Members and 1 Guest are viewing this topic. Read 26031 times.
Hey Doug : No worries - I read you 5 x 5 ! Further to how PMC resolves ( at least in theory ) some of the issues cited by Mr. Taterworks -Quoting from PMC's own description of their ATL (Advanced Transmission Line) designs:"The bass driver is placed at one end of a long tunnel (the transmission line), which is heavily damped with absorbent acoustic material. This material is specified to absorb the upper bass and higher frequencies that radiate from the rear of the bass driver. The lowest frequencies, which remain in phase, then emerge from the large vent at the end of the line, which essentially acts as a second driver. One advantage to this approach is that the air pressure loading the main driver is maintained, thus controlling the driver over a wide frequency range, which in turn significantly reduces distortion… A further advantage of the transmission line approach is a cabinet that produces a higher volume and greater bass extension than a ported or sealed design of a similar size, even if identical drivers were used."Interesting observation about the incorporation of subs into a system, Doug. I'm sure your system is sweet 'n righteous ! As I recall, you're a bottle-head, no ( I only use a tube preamp at this time ) ? What are you currently running for amps. Doug ?D.D.