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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="Jorge"]We only
use the Beringher for bass under 100 hz, driven by the main amp. We tried a lot of different
solutions, including analog active xovers, the DCX is clearly better than the
Analog Xovers we tried. There
are very few com...
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It is a RAAL Lazy Ribbon with the integrated transformer doubling as DSET OPT. Surprisingly, I started with a 4th order high pass filter which has steadily migrated back to first order...and it works.Next step is to trial a biradial horn for a bit m...
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Not the same size, shape or volume of the original baffle/cabinet, but I appreciate that you want to keep the appearance you've imagined, and this seems like the "easiest" way to do that. Good luck using a reciprocal saw to cut out the 6" laminated b...
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...is the head gap in the recording head. This head gap works as a low pass filter because the size of the gap determines the highest frequency that can be recorded. This "brick wall filter" is and was a HUGE benefit to playback simply by getting rid...
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Romy, could it be that the sheer beauty of the Tannoy wooferwill be compromised by the insertion of any high pass filtersbetween amp and driver?...
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msaudio wrote:"...Putting The Mid Bass horns behind your head will not work...do you thank you will be able to use any frequency above 80 cycles with rear fired horns that are behind your head?..."One simple way to get a feeling for how this might or...
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I had a Behringer DCX2496 that used for nothing and I think it got broken. I do not want to by another one. What I looking for is some kind cheap, no more than $100 solution that would allow be to have 4 order filters and crossover point up to 250hz...
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I'm not sure exactly what I expected from swapping the digital cable at this point, but what I got was not it.Before I bought the Belkin Synopsis cable I just swapped out, I had sought out and purchased an Acoustic Revive cable, on the strength o...
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From http://goodsoundclub.com/Forums/ShowPost.aspx?PostID=6091[quote user="Romy the Cat"][Dima] feel that Lavry 924 is the only know to him properly implemented true Multibits DAC (and he knows them all) however he feel that there is much more “inter...
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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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OK, good luck with your experiments. Be advised however that if you use capacitors for high-pass speaker lever crossovers then those caps need to be aged. The amplitude of this effect wary from cap to cap but all of them in one way or other would ne...
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I read an interesting post by Martin King, the MathCAD wizard that created some sheets to predict driver behaviour in different types of boxes. He had 3 groups of speaker enclosures: boxes so small that standing wave resonances (sealed and vented) ar...
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I guess the tricky bit would be to customize sound to someone else's "objectives", "taste", whatever.As an architect I deal with a similar problem every day: trying to idealize what the customer wishes (from a messy mishmash of the input and preconce...
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[quote user="Kcct82"]I didn't use John Hasquin's tapped horn design, I modeled my own in hornresp for my TAD woofer. I knew I would only need it up to ~55Hz so I was happy to have it flat from 23Hz-70Hz. The lowest crossover point for Behringer DCX 2...
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Joaco, so far you have reported only improvements with both of the units you have tried. If the new unit also has a by-pass switch, then perhaps you will continue to post your impressions over time?Can you share the stated output distortion of the n...
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Romy Hi, I understand, I thinkthat Ralph too sees the Beta and Gamma as the least compromised , I will pass on your details and maybe you can discuss it directly with Ralph, ( he has an interesting amp at home as well ) you prefer those old cinema dr...
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[quote user="Paul S"]Romy, no doubt the following derives wholly from my ignorance on the subject, but I have not been able to get away from a sense of "variable compression" with any compression horns I have tried. By "variable compression" I ...
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.…as everything was discussed here before.[quote user="chaos"] …when i tried your recommendation with s2 and 3uF cap my "basshorn" refused to roll of;-) [/quote]
This is normal, I have written about it many times. Those large bass drivers have a lot...
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The coupling capacitor is a first order high pass filter. I have .68 in there for there for this purpose. Obviously the slope will be shallow, so precision in the value will not be critical....
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Speaker vs. lineMany benefits, Paul, it was well covered at my site along with many others places.Cap vs. coilTruly huge, only this would well-worth the admission ticket of the line-level. Do not also forget that in high-pass situation a coil works a...
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Antonio,
I have no business (or frankly speaking interest) in production Sound of new Pass Labs loudspeaker. Not to mention that any more or less credible prediction I am able to make only with horn-loaded setups, otherwise my knowledge of the condi...
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[quote user="Ronnie"]I wish I could pin-point the frequencies and explain the effect better. I'll do my best.I want to cover my ears when a Pavarotti sings certain higher notes or some notes when Caballet sings pretty "comfortably".It's like bad PA h...
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Would it not be possible to create a type of transmissionline, but with a closed port and many bends to spread the internal resonances and provide means to damp them.Perhaps it is even good to tune an open transmissionline to a couple of octaves belo...
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Can/Does this stuff take it into account when the recording in question already includes some sort of native or contrived ambience? In any case, the generic version of this stuff is routine in a typical recording/mixing studio, just pass band +/- de...
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OK this is with a digital XO, I'm wondering whether most of you would bother to low pass a 800-10k Radian mid in a 425hz Azurahorn, which hands over to a 10K+ tweeter?I've read that playing too high for a particular horn has some sort of dissadvantag...
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Paul, one of the reasons I went for the Orelo was because it's as close to "plug 'n' play" as I can imagine a speaker system being. So I'm not very knowledgeable about its detailed workings. What I do know is this though...There are 3x 15" bass drive...
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[quote user="guy sergeant"] Not this year they won't be, that show is in September.Romy, Kevin at Living Voice has been using 'your' S2 since 1992. I understand these speakers have the first of the new Mike Harvey S2's fitted.I'm not sure what the th...
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One possibility is that the midrange to high frequency domain has very large suck out (no pun intended). The priapic horn with its aggressive high pass might be a "filler" device to amend the 2nd order electric dip in frequency (Linkwitz-Riley alignm...
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Hi Romy, I imagine the coupling cap in the full range melq acts as a first order high pass filter: is there any reason why one could not lower its value to raise the cutoff to a level one would otherwise redundantly need a speaker-level filter to ach...
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DA wrote
"The second question has to do with how to unload the Milq from low frequency < 60hz ? How to or where to install a low pass filter ? "Correction- it should read "How to or where to installation high pass filt...
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