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In Reply to: Re: An alternative, viable. posted by RBP on May 26, 2003 at 07:48:18:
Very interesting looking speakers!If I understand the basic concept, they're trying to get a wide, uniform radiation pattern over as much of the frequency spectrum as possible. I like it!
Unfortunately, I don't see how they can maintain a 90 degree radiation pattern down to 500 Hz with 8" woofers and roughly 8" diameter waveguides. That seems like a rather bold claim. I've been dinking around with a similar approach myself, though using much larger diameter devices.
By the way, how are these speakers on efficiency linearity??
Thank you very much for bringing these speakers to our attention, RBP. I'm going to have to check them out in more detail now.
Duke
Follow Ups:
Linear effeciency is one area Duke they really excell in. The waveguide is almost 11" actually.. The finished surface area just beyond the guide is used and symetrical. They are doing an honest +/- 1dB from 100 to 15K and unlike all my early observations with effeciency meaning "lack of" equals compression and hyper sensitivity equaling some dynamic expansion, the engineers have managed to take drivers that are roughly greater than 90dB and seriously balance the crossover for minimal phase problems and minimal compression (if any). The V/C's are designed to burn out long before the drivers reach their physical limitations in travel and linearity so it is a most careful balancing act. Amazing that they give acuurate dynamic presentation at levels of 80/90/and 100dB, it just takes more juice to reach 85dB and the losses are balanced , giving them the strange and rare linear dynamics. They are rock solid to 30hZ but that is about it as far as being within the 2dB envelope. They are designed for near to mid field listening.Yes, they need more power than the average "joe" but they are far from average in presentation. I plan on a formal review in the near future. I don't want to give it all away it is just in the close to 30 years of this loudspeaker game, here is another product that breaks the molds of scientific thinking and does some things that I feel were impossable, as little as 2 years ago. I would not say they are "SET" friendly unless one wants to listen closely tucked in...then again, jazz combo recordings seem "live" at as little as 10 watts...but to make it "up front and center" to a live act, 500 a channel would be recommended.
Another interesting tradeoff Duke...but they are doing plenty of things that are most uncanny, considering my pasts beliefs.
Every recommendation of yours I have followed has been right on.I'll give 'em a call tomorrow and dig a little deeper.
Yes, they are not the final word because of all the power needed but I bet if 6 pair of them were stacked on their sides, with the tweeeters inside the image and their was at least 200 watts per enclosure (hence bi wire 75/125) well that is 24 power amplifiers and this would be hard to beat at any price IMHO.That would be very expensive.
One single pair is pretty dramatic...and again, they are only 3K speakers so for that money, fantastic value.
I also feel the team at SP are great people, easy to speak with, like I said, homework.
I would love to see them compete for the slot of prosumer and be there with the studios out there. Certainly, the recording arts would benefit with these tools. A very unique solution for solving many problems. I have a lot of listening to do with them.
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