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Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Eventually, I had a chance to spend last night with up and running new Milq (no tweeters was involved at this point). As I said before, the major fight was around the MF channel and I feel I did found a good configuration where the MF channel takes a...
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Dear All,Thank you all for your assistance, especially Romy, whose information has been particularly interesting. I have been in contact with Jeffrey Jackson, with whom I have discussed my driver preferences, and arrived at what is essentially only a...
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Back in 2019 I was converting the Altec Model 19 into myCetla 91 version
by introducing to it a custom new 18-section horn loading by Vitavox S2 driver.
It was a fan project and it was using in my Opera room for years. This morning
I was passing b...
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[quote user="Romy the Cat"]Here is the list of the thing to do with Vitavox S2 in order to use it in 4-ways installations. The S2 must not be used in 2, 3 ways systems. It possible to do with S2 whatever you wish but pretty much any other way to util...
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Romy wrote:For Vitavox S2 to use Tractrix 600Hz with 1.5KHz filter is a bit too close in my view unless you stay with second order filter. Would you elaborate further about your warning? I'm very interested in this application.I think you use the S2...
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[quote user="haralanov"] Also instead of using electrical tape, try to seal the back of the driver with a 2mm thick sheet of microperforated tonewood and then glue a leather layer over it. Then you could also pierce multiple tiny holes in the leather...
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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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Alas, not much time to deliver the promised treatise...So, tantalisingly, I will suggest this; for the range 1k up, you would have no problem getting a small mumetal OPT made suitable for the 6C33/S2 combination. Actually, I have something simil...
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The EV 350 cones are still available form many sources, they are $25 per cone. There are some other phenolic domes for 1” driver, or smaller. I do not know anyone who does 3”-4” phenolic domes that would make them suitable for MF drivers.
As far as ...
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One of the greatest and the most important things for me in power amplifiers is their ability to differentiate tones. When you listen live music you practically never hear two identical tones. Even two identical pitches presented after the diff...
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I was kind of frustrated with some strange high frequency roll off at my HF and Injection channels. It should not happen. The 9H OPT LL1627 in Injection channels should be good up to 23kHz according to my former tests with a full range Milq and the T...
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[quote user="RonyWeissman"] It will drive either my Tannoy Gold's full-range, or my 3-way system (Altec 515/Vitavox S2/EV T-350 or JBL 2450). I could also use it just to drive the Altec 515 and use my current 300B to drive the MF/HF of my...
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I was thinking about the subject for a long time. People in audio love to make generalization, so do I, but in it is not so simple. People attribute to output tubes some “special” qualities but I more interested not about unnecessary drooling about A...
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[quote user="jessie.dazzle"] What I question: A rectangular mid-range horn... Why? [/quote]In consistency with Occam's razor principle I think that they went for rectangular mid-range horn become they layout of the speaker called upon it. I di...
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Romy,
Just to be sure, I ran all the tests again today, but this time at various volume levels.
I got exactly the same results as yesterday.
To answer your question (sorry it took me this long) : Yes I do use metal suspension on all 4 S2s....
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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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All-I'm optimizing new speakers, but the deep subject matter is a little new to me. Will this work?Using a pair of Welborne Labs DRD300B SET amps (tapped 8ohms) with a 3-way passive crossover to integrate these drivers. Here is ...
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Hm, this is what I am playing how: the new 18-cell and S3. I run it from a full time Milq and use it with no filter of any kid. Rony is right the depth effect is there, it is not even depth but rather multi-dimensionality. Indeed very pleasant feelin...
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[quote user="jessie.dazzle"] I might be totally wrong, but I just assumed that Vitavox's decision to specify a lower impedence voice coil for horn-loaded applications was related the additional load placed on the driver once mated to a horn, resu...
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A visitor of my site pointed out that the guys at AudioHeritage site have heard this new DD66000 speaker.
http://www.audioheritage.org/vbulletin/showthread.php?t=12255
I do not read generally the AudioHeritage site as I found that the guys in ther...
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[quote user="guy sergeant"] You live in a fantasy world Romy. Not one of those items could have evolved into the products you now use without the company responsible being able to develop the technology & materials to allow it to happen. They wou...
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[quote user="i_should_coco"] ….so I was thinking one pair from 350Hz to say 3Khz, the second pair from 3kHz to 12kHz (which I belive is pretty much the upper limit for the S2) and probably a tweeter above that. [/quote]
Pete, I feel that the more re...
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[quote user="Dominic"] i thought of it as soft and chalked it up to not being as strong a motor as was needed and begrudgingly accepted that perhaps 'field coil' did not mean 'powerful motor'. I'm starting to think otherwise…[/quote]
Yes, it is exac...
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In a post a few days ago I mentioned that I am planning to experiment with a dedicated “fundamentals channel” putting the bottom of Vitavox S2 driver in the game.
http://www.goodsoundclub.com/TreeItem.aspx?PostID=2431
Whoever dealt with spherical h...
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To whoever loony people who still observe me battle with Vitavox S2 driver I would like to inform abbot my latest events.
Believe me or not but with the Super Melquiades dedicated HF channel I find the internal courage to try the older diaphragms. ...
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hi. That’s a nice topic. I studied the VO like a maniac. For me there are 3 topics. First was obvious, easy, the horns. The bass horn for the ak151 is housing a rear chamber slightly open, giving the injector channel - that creates a lot charme, flav...
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[quote user="be"] By distortion in the throat I mean distortion caused by the nonlinearitiy of air that manifest itself by high pressures.[/quote]
Erik, I do not see why higher pressure atomically implies nonlinearity. Gas pushers its walls very lin...
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Hi Vitavox fans...
Thought this might be of interest - these are 160Hz 1.5" throat that Martin Seddon is making for me. The mounting flange isn't moulded on yet and the interior finish is alabaster like rather than glossy. I intend to damp the ...
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[quote user="cv"] But the real reason for my post is to ask:I was thinking about the results you reported and am really scratching my head as to why the FC S2 should sound honky, given that its acoustic geometry is completely unchanged. Any idea...
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This is the project that I been thinking to undertake for years. I have motioned about in multiple times that Vitavox’s S2 lower region is very lucrative but unfortunately not exactly useable if the driver run all the way up, unless you are wiling to...
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