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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I have the CD but didn't get a chance to listen to the B9 effects you mentioned yet, but all the 515Bs and 15" Vitavox I have heard were in larger vented boxes. I think of the dryness you told of as part of pushing a paper driver down in a sealed box...
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Haralanov, let me know if you actually have something, otherwise I will continue with the Audaphon ribbon for the first round of the downward-pitching exercise. On the one hand, I wish I'd kept the Peerless 2" paper tweeters I had; on the other hand,...
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Serge, it is a common misconception that the old Altec cinema/PA systems were lovingly built and installed with tubes or high-fidelity "music playback" in mind. In fact, they were meant to be LOUD and durable sound reinforcement tools, while maintai...
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No love lost for any particular driver type here. They are all all-but-hopeless, as far as I'm concerned, just for different reasons.Jesse, what I wonder is how the small daiphragm of the compression driver, with its very small movements, can b...
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DSP?!? But aren't there plenty of realtime options, from Marchand, etc? Hell, people are generally so excited about digital that they are pretty much giving away the analog boards.No doubt you've considered that the 2105s simply might not...
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Romy, I suspect that 200 Hz high-pass will be too low for that driver, even 2nd order, and almost certainly with just 6 dB roll-off. I think more like 500 Hz with 1st order, and might still require the coil.Yellow-type drivers take on and ...
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well fine, my X350.5 does 50 watt class A, and of course in push-pull. I use it with 120 watt max rated 3 way speakers of about 87 dB efficiency. You can see on the 350.5's centre instrument dial if you go out of class A. If I go out, I usually fear...
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By the time I realized (last year) that I'd kissed off 2016 a year early, it was too late to edit/correct my mistake. Ironically, 2016 has been an "off year" for me, in terms of hi-fi, so, in fact, I've little to reprise for this year. I have poked ...
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farmeroni! hope the plants are doing went well this season... [I have recently had 4 sealed bass bins made each with 2 8" scanspeak drivers. I dont have them yet. Every other speaker I have stinks worse than the Fridge. Good Luck!] 4 seale...
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Not only ULF, and not only the usual "dead" audiophile drivers, and not just raw amp power. My experience suggests that direct radiator drivers from 10" diameter and under claimed "100 dB efficiency" (and - especially - in multiples) can benefit fro...
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Well, it is a given that I am not a horn guy right now to begin with. Of course, the "theater speakers" were and are mostly dinosaurs and/or mostly of historical/nostalgic interest. I just want to mention some excepti...
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Amir, I have a couple of options for swapping phase, at different points in my system. On 2 occasions when Clark visited me at my place, I could switch phase and he could hear it, every time. I was pretty impressed by this, though he insisted that it...
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I was thinking, Bill, that you now have S3s running down to 400 Hz. If you ever said what you are using below the S3s now, I don't remember. I have only heard the 15" Vitavox a couple of times, many years ago, but I did once own Altec Lansing 515Bs, ...
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Romy, I'm enjoying this account of Melquiades upbringing. I must ask though: how are you sure that what you are hearing isn't on the recording? Not that I don't believe you, I just wonder if the stuff has been there all along and undis...
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Cybernetic phase blah blah blah...I (barely) managed to resist commenting about those pathetic little 4" drivers huffing away in that long narrow box, but I can't pass this one up!Just the buzz-words alone; it's got to be a translation thing!Too abso...
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Yes, that's just what I was referring to. In my case, it seems to happen just as the ribbon's own apparent contribution "vanishes".Another thing I noticed was that as this happens the mids also take on a more natural/realistic relatio...
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... and, be sure, I completely agree... ONLY trying to "cut the air" and giving some understatement to a someway heavy matter - wishing to avoid any hype, which sometimes helps when reality can't be properly explained... the thread is interesting and...
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Romy, if you have some spare diaphragm/VC assemblies for your S2 drivers, do the experiment I mentioned above (remove the outer layer of the VC) and we will talk about the inductance in terms of sound after you hear the results with your own ears... ...
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I've been kicking around the Stupid and Lazy Version of this for some time, where one simply runs two different, "characteristic-[un]matched" drivers on the same frequency band. Oops... So, why not the same drivers pushed by the same amps that a...
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Well, that is a much better way of explaining what I meant to mention, that it seems like one's best shot at character matching HE drivers (at home) involves accepting and starting with the lowest common denominator rather than turning up the power o...
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Ric, that's pretty sophisticated stuff. I never tried hydraulic damping mounts, but I think the theoretical idea with the drivers is to keep them from moving at all, rather than using mounts that accept and convert energy in order to dissipate it.Sa...
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Brad You are correct the model 19 does have the 802-g, but all of the 802 series drivers 802-b,c,d all outperform the 802-g. I have had everyone of them and have done real world tests with them with every type of horn and the plastic phase plug i...
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[quote user="Joe Roberts"] I feel I am being objective when I say that a Mirrophonic system simply blows away Altec, Vitavox, TAD, etc. [/quote]
Joe, I am not a reader of your magazine and the phrase like “blows away” impress me very little. P...
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Romy, I seem to remember J. Peter Moncrieff doing something like this a couple of decades ago, and he eventually "explained" it much as you have just done.I wonder if this approach is +/- doomed to a sort of "hazy" presentation, like the old Bose "bo...
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[quote user="Romy the Cat"]Ric, I will not be using sand for decoupling. In fact I fill that sand is not good load bearing decoupler as I will have more or less point loading and sand will not work. I will be using sand for damping the horn surface, ...
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Hi, BudNow that my system is back up and running again I suppose I ought to at least take the offer to try the enabl'd drivers in my speakers.I have no doubt they will sound different, and from the posts you cite I imagine some particular traits will...
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Honestly there is not enough info here to make a usefull recommendation. If the drivers are going to be used from the 95hz crossover point up then you might not even have to worry about it if the Fs is well below that. I would not do it anyway since ...
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Romy, it sounds like you've got your heart set on getting LF from your MF drivers in BR boxes. But perhaps for this to happen you will have to crank up the LF power, anyway. Maybe this calls for a separate, stuffed "LF" box-in-a-box ...
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wow.thanks for comments.La Grande Castine will not be as expensive as Cessaro Gamma.i am sorry but i cannot answer to all questions, for several reasons you can understand.we have tested many drivers since the early prototype of La Grande Castine. BM...
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Jorge, from your posts, I gather that you actually listen to your results. So you realize there is no way to predict what Haralanov's driver would sound like in (your) horn... except...As Romy has said, "articulate", tone-rich direct, paper drivers...
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