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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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[quote user="guy sergeant"]I had dinner with Mike Harvey from Octave this weekend. Mike acquired the intellectual rights, tooling, drawings and jigs needed to manufacture the S2's. I believe that newly manufactured S2's will be available very soon. M...
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[quote user="guy sergeant"]Not yet. I'll give him a call & put details of the reply here.[/quote]Guy, when you will be taking with Mike then here are some taking points for you if you wish:
1) What type of magnet Mike is planning to use in his new...
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I really would like the Vitavox users who use the bottom region of S2 driver to pay very serious attention to my post above. The redaction of compression in this driver and dropping the resonance frequencies does impacts the lower knee sound of the d...
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I did a lot of those experiments a few years back, stuffing the back chamber of S2 driver with all imaginable things. During that time I did not use a dedicated lower MF channels and was concerned only about the S2 top end. I did not detect any diffe...
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From Email that I got today:
“….. I see that you are considering trying the metal diaphragm again in your S2s. I am using the metal diaphram for the moment (it is all that i have), but have the terrible ringing problem, especially on female vocals. ...
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I kind of fed up to receive those emails (I ordinary do not reply them) with questions and therefore I would a would make one atypical public statement and it will be it. I say “atypical” as I truly do not care about your purchasing habits, still sin...
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[quote user="Romy the Cat"] For above 550hz you might use the same LL1627A if you wish, for MF the 200-250mA gap will be fine. Yes it would be reasonable to desire less inductance in the transformer, mean less turns but honestly I personally did not ...
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well i never thought i would be opening such a pandora's box with this combination.firstly,the drivers have the plastic surrounds(whew,lucky!i know the diaphragms are potentially harder to source than the drivers)what indicators or criteria would mak...
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I picked recently a pair of S3 drivers. Not that I need them but it was good deal – perhaps someone in UK have demolished an old movie theater and a large school of S3 drivers with original diaphragms hit the maket recently. Also, I always meant to t...
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I am constructing a set of 400 Hz resin-bonded sand horns and have been thinking about the best way of coupling the S2 to them. I can't find anything off the shelf that is 2.620 x 16 tpi, and none of the people with lathes I know have imperial kit to...
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For all S2 fans... please be aware that seller "milesvintage2007" was claiming to have found a load of diaphragms in an old cinema (yeah, lots of those running Vitavox in Hong Kong, I'm sure...*)Even forged the labels on the tins... He has since remo...
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[quote user="decoud"] The tweeter I thought could go below the MF. [/quote] Not going to work properly. The EV T350 is 120 by 60 degree tweeter met to work in vertical configuration. If I were you I would lower you MF until it edge along with upperba...
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I have a couple of queries relating to the transition from the mouth of the S2 driver to a horn generally, and to a 400Hz or 250Hz horn specifically. The profile calculator that I use for tractrix horn (horncalc) does not take into account the de...
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Peter Empson from United Kingdom, the guy who use to run Unofficial Vitavox site and Forum has open a High-Fi shop in Aylesbury with a sentimental name “Deco Audio”. He sells the new production of Vitavox parts: The S2 drivers, the 15” woofer and...
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I have a guy visited me today who have high-voltage version of RCA 1428. I asked him to provide is feedback what in his view difference sonic between his 1428 and my S2 driver. Of course it might be large difference in the way how we use our drivers....
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So in an effort to learn something about the way the 288 and S2 sound the way they do, what do you suppose the mechanical differences in the construction of each driver that causes the differences in sound as they look so similar physically?
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I believe you use the laser to find out at what frequencies there are resonances and where they are at so youcan make the phase plug accordingly but like I said I know about as much as those lasers as I saw in the Tad brochure. A machinist told me on...
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[quote user="Paul S"]Best case, a system will have both great tone and plenty of "headroom" to play the Music you want to hear the way you want to hear it. We've discussed before that AN systems are pretty responsive, with great tone, but they do not...
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What you might find interesting is now to deal with Vitavox
S2 driver that your speakers use. The driver,
as good as it is, has a very interesting idiosyncrasy: it has at HF some very
interesting resonances that initially feel like they are “qual...
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Hi, Romy and other visitorsI`m completely new to vitavox stuff because it was always out of my reach in terms of price, yet i have a lot of experience with other drivers - radian 950, B&C DCM 50, Faital HF series, JBL, AltecNow i have a set of re...
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I have posted this idea at the Peter’s Vitavox site a few month back but there is no activity at that site. It sucks that there are no advanced S2 users out there. I am planning to try it myself and in a month or so and will report the result. ...
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Here are never opened before 50 years old S2 drivers dissected and ready to be "cleaned".
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I just posted yeastoday the post above and have got already a few emails asking about the “new” ways that I am planning to use S2. OK, let me to explain what is going on.
The default Vitavox S2 driver comes with thier default aluminum diaphragm with...
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Ah, such a beautiful beautiful beautiful beautiful discovery!
After all, after the years of dealing and fighting with it I come up with the observation that the Vitavox S2 driver could and actually should be used “as is”. The harshness that I was re...
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[quote user="Romy the Cat"] The S2 has own very idiosyncratic upper range with own helpful resonances injected into sound. I feel that that original metal suspension diaphragm does it bolder and more aggressively then the plastic suspension dia...
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I recently made some highly attractive changes with the way in which I use S2. Now, since the S2’ top got cleaned up the universal misery of universe bothers me tremendously. :-)
Really, the S2 runs in my 400Hz horn up to 12.5kHz and the S2’s 12.5kH...
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[quote user="Romy the Cat"]I thought that the folks who are interesting where I am going with my Macondo should know that am still working with Vitavox S2[/quote]OK, I think now I’ve learned whatever I need to learn about this driver. In order to und...
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[quote user="Romy the Cat"]Manville, just for sake of an experiment, I’ve sent one of my “worst” performing S2 drivers to remagnetize it. I do not know if it affect the ‘beneficial resonance” and if it does I will report the results of its performanc...
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Romy,I have seen this a few times with JBL and Altec drivers. This phenomena occurs more often in Alnico magnets than any other type of magnet. When a magnet is recharged, it is blasted with a very strong magnetic field. There is really no way to “ha...
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Copyright © Roman Bessnow 2004-2026
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