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Just got through reading the a recent Stereophile review of your 33's.
Well executed design.I have been doing intense home construction of speakers for over three decades and the last decade has allowed the home constructor the greatest access to technology (inexpensive but sophisticated software for modeling and measuring), along with sharing of data with fellow home constructors and professionals. Home constructors can now rightfully create extremely fine implementations rivaling commercial operations.
Then along comes an implementation like the 33's that cause one to pause and respect the technical achievement by one of the "commercial boys".
I have yet to hear the 33's but have had the opertunity to hear many of your other offerings, either by yourself at shows or by your dealers. Always a very enjoyable experience, especially knowing what the drivers you select really want to become uncontrolable.
The total package of cabinet resonance control, complex reflex loading, maintaining high impedance, well established dispersion and of course that unbelieveable CSD waterfall plot is to be commended. Especially knowing what beasts lurk in those metal drivers, outstanding. The tidbits of series implementation on the crossover topology makes the results even more of an amazement. 120db per octave and series must have made for some serious head scratching during the revision phase of the design.
Sadly, being a devout home constructor, I do not represent any prospective buyer for you or dealer, but I do look forward to hearing the creation at some future time.
Although not a commercial peer of yours, I do understand the challanges you faced and fully respect the results you rendered. Gives good insight into why at your recent showing, your creation garnered such high praise from the listening public.
Well done.
Follow Ups:
Ed,While you may not be in the market for speakers, the fact the you were impressed enough to make a posting here may help others who are less technically inclined to understand just how special the RM33si is. BTW, we've now trickled the new crossover into the rest of the line as well.
Thanks!
Jeff
President, JosephAudio
http://www.josephaudio.com
waterfall plot. Obviously the best ever in Stereophile. This is the measurement that really gets me interested in a speaker. Unfortunately the sensitivity is WAY too low at a specified 83dB and a measured 80. What is the SPL/1w/1m of the Pearl, and when will the info on this speaker be on your website??
Jeff,
Will I be able to upgrade my RM7 sig's with the new crossover?
If so what will be the charge and can I do it or my dealer or must it be sent back to You.
Hello!You can have the new crossover installed in your RM7si Signatures.
The upgrade cost is $250 from Signature to Mk2.
The new crossover will make your 7si Sig's sound very close to a new pair of Mk2's. Apart from the crossover, the new Mk2's have a
larger woofer basket and vertical bracing in the cabinet.You do have to send them back to us.
President, JosephAudio
http://www.josephaudio.com
of your 'speakers that you were giving and you were playing a Louis Armstrong CD that I asked you about and I remember you saying that you had burned it yourself. It was amazing music and stunning playback quality and I am wondering if you can give me the name of the tracks?Thanks for any info.
Tony D.
Audio Fidelity AFSD 5930Also released as "the Best of Louis Armstrong" and
"Ain't Gonna Give Nobody None Of My Jelly Roll"The best version available is the vinyl pressing recently done by Classic Records. (I had spun the original lp for Mike Hobson at CES
in 1996)Jeff
President, JosephAudio
http://www.josephaudio.com
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