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In Reply to: I Completely Disagree posted by SteveM324 on July 30, 2002 at 21:25:21:
If you found the highs fatiguing, then I would have to believe that there were room mode problems.Too many times, people hear a speaker at someones house or a store, where it isn't setup correctly or room modes totally cloud the picture.
Follow Ups:
The listening fatigue and headache that were a result of my listening experience with the R645 were most likely due to the speaker's lack of coherency. Good speakers in the +$2000 range should only make errors of omission. This speaker makes serious errors in its low frequency performance and the integration of the ribbon to the bass driver. Why else would so many owners be making changes to the caps in the crossover and coating the bass cabinet with sound deadening materials? I think many owners of this speaker got caught by the hype on certain websites, and bought it. After the initial appeal of owning a ribbon speaker(most ribbon speakers will impress initially because of their speed and detail), these owners became more critical of the speaker's flaws. Then they had to decide whether to sell(this is a pain because it is so bulky and tough to package)or to modify the speaker to eliminate the speaker's problems. I've owned a ribbon hybrid for about 7 years, the Apogee Centaur Major, which I sold about 2 years ago. The Apogee, IMHO, was much better than the R645 but its problems were similiar to the Newform R645, just not nearly as noticeable. Like I said, I haven't heard a modified R645, so I can't comment on it, but I think the stock version has serious flaws which necessitate modification.
As I commented on this forum a year ago, I was impressed by the stock 645 when I heard it with very similar (I think exactly similar) equipment at an owner's house in San Mateo.The Newform ribbon has an airy, spacious quality I did not expect. From 1100Hz up the speaker is just dandy.
I noticed the crossover and bass discontinuities you did. OK, maybe John Meyer didn't spend enough money on woofers or cabinets. Since this is a hobby and many folk can DIY, the mods make sense to me.
I should note the listening room for this system was quite large and completely undamped, including a 40' long glass wall to the right side
(no drapes or absorbent furniture/carpets) which contributed to the lively sound.I'll say it again, John is to be congratulated for a daring and successful design.
If that's true I would hardly say that John skimped on woofers, since the Scan Speaks are some of the better woofers made and use a sophisticated motor design with a shorting ring to reduce distortion and extend the upper range. Although I have no experience with this speaker, if there is a problem, I would expect it to be with the crossover.
Hi Brian,Mike says you are welcome to come back anytime. He's upgraded his speakers and I'd be very interested to hear what you thought of them.
Thanks and have a great day,
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