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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Alphahorn seems to incorporate the BMS 4592 coax compression driver. Similar CD horn is already incorporated in the CODA speakers:http://codaaudio.net/Rx35.3-way_full_range_system2.0.htmlThe guy from Austria probably gets the German BMS dri...
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OK, now the SA8535 driver is fully broken-in and well-habituated. I have no idea how the “Stage Accompany” suggests using this driver from 1000Hz! From what I observe, at MF this driver sounds very “flat” and very none-impressive. I have suspicion th...
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first post... but I recognize quite a few friends here.. so, my straight horns... I like them very much.. I built mine similar in style to what Greg B linked, but obviously much smaller.. mine are just under eight feet long (length of a sheet&nb...
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[quote user="Jeffrey Jackson"] Ming would like to provide this custom basshorn service to his customers in the US market.. Goto Japan has nothing to do with this... [/quote]
Very cool, the more “hornier” the better as far as I concern.
[quote user...
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A few things I would like to say in context of Pham’s playback.
I will leave his infatuation with turntables alone – man like to collect turntables and he within his constitutional right to do whatever makes him happy. The problem that I see ...
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To save people from researching the differences between Romy's and my systems, I'll note the principal differences here, ignoring our ongoing mid-bass projects, which will be different, but both are incomplete, so not yet in the picture.As concerns t...
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I think this post need to have an epigrapher:
“We knew what we wanted to hear, and so we developped, and developped, and developped... In hundreds of small and bigger steps. Over thirty years. Till we were "there" where we always wanted ...
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I've only had the pleasure of listening to 'professional' horns (whatever 'professional' really stands for)--horn normally used in concerts and small venues. (It was always so obvious to me--by listening--that the range of the horn-loaded 'bass...
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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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While seeking for a CD capable of covering a low mid range, say from 300hz or under, I am offered a pair of TOA compression drivers of rather impressive size. Unfortunatelly a seller has no clue what model it is, except "it sounds as seducing as ...
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[quote
user="jackydai"]My basic point is: the flare rate has to be coherent
right from the entrance of phase plugs. In this sense, not even Bruce and Sam
did it right, I’m afraid to say. In many cases the driver and the horn are
designed by diffe...
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Dear Romy,OK, some more about the midbass.Well, it was not really a surprise to us that the horn without the phase plug was dissapointing. Without the plug we had a horn that was a bit too short, had too large front cavity and less compression than w...
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I would like to thank you for taking the time to give me a very satisfying answer and explain in detail your views on the whole subject and give a little more insight in to how you do things. Yes I suppose I really knew all along it was coming and w...
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Novigera, let's ignore any issues of sound quality first. A horn loads its drivers and increases efficiency only at certain frequencies. The frequencies that are more efficient are based on length, taper and size of the mouth. That means that it does...
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Well, I cannot say that i have much interest in the installations on his Facebook page and this should be a strong indicator of the type of audience being targeted by the driver manufacturer.Nonetheless, he has sent me some frequency responses, but n...
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Romy,
Why preface my comments ? I've had the same system for 10 years basically. I do use digital crossovers but the 'Class D' NuForce amps are not digital at all. And the NuForce amps don't sound like stereotypical Class D amps, they are very quie...
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Hello Romy, thanks for your guide.I've been thinking and I feel that some basic upper bass channel ideas are forming; they a result of, as you say ,"organic" derivation from the rest of my acoustic system. I am pretty excited about this idea i have. ...
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Haralanov, I do not think that the “information” that you found is indicative of anything. If they changed coils and diaphragms on their LOMO drivers (and I presume that if they change the diaphragms then they did not keep the LOMO original suspensio...
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Oh, rowuk, you have no idea how much I agree. To me passive theaters very much like ports and I hated anything which stay even remotely close to it. However, this time the entire Remedios project is is very different s s is built not based upon knowl...
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The full-rage single-driver acoustic systems is probably the most hated playback topology by me. It is irrelevant if you use $200 Fostex or you use a family reserved edition of AER driver for $64.000. The result you have the same: a horrible dynamic ...
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I am sorry I do not want to pollute the PP2000 thread with battery options.Right now I am in the process of testing a lot of different comercial amps to see what I will stay with, or which route I will be taking with my system in the near future for ...
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[quote user="oxric"] I have always felt that if I went for a vertical array of 10" drivers, I would keep the drivers closer spaced than you do in your 'Dunlavy' made enclosure. Based on the 110" height of the tower, I see that you would be doing this...
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[quote user="Paul S"]Murat, that's a lot to ask from one driver. [/quote]1000-12 000 is 3.5 octaves.300-3000 is a bit less.[quote]In any case, if you do get useful results with the paper driver, you will have to turn right around and integrate it bac...
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hey jessie-I've wondered the same thing-- and the more i end up twiddling around with it, the more I think it really either comes down to good measurements, or good listening! And in fact.. probably both in conjunction!I have a small 2 wa...
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[quote user="Romy the Cat"] CO wrote:If you havent already, why not explore the Infinite baffle concept? Or a long terminated back chamber for that matter.
Current drive should also be very good on the lower registers.
I did it. Any situation ...
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Hi Romy…and fellow audio nutters. I’ve bitten the bullet, and shifted from BLH to front-loaded. Yes, I was an idiot, a moron for not doing this sooner. My project is ‘humble’ by Romy’s standard…but I feel it meets the following objectives I h...
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No system ever resembles live music. imho. But you can get pretty close.Can you describe or share a pic of the horrid horns systems you have listened to?I also hate most badly designed "horn" systems too.Usually most "Horn" systems have a 15" woofe...
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Hi rowuk.Shark skin decreases the formation of vortexes in fluid flows over surfaces and thereby reduces drag.Shark skin resembles fine sand paper and has actually been used as such.Of cource there is a difference between a stady flow around a shark ...
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I have not heard the Heils with all possible amps, but to my ears they are equally unequivocal with Tone and Dynamics, once their (rather low) "threshold" is reached. At least with respect to dynamics, this seems like the opposite of what one would ...
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I dont want to hack this thread into TH, I tried them with sub-amps 150 watts and they didnt sound good, but I was using a passive preamp, when I added an active preamp things started to get better, now with 12 watts and a a lot of gain, bass is ama...
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