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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="jamikl"] My problem is the length of a mid bass horn and I can see no way of doing it other than bending it in a curve or mounting it down facing to the floor as in one you showed, or goingclosed box which I don't really want to do. I t...
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I guess I have found a more or less usable new configuration for ULF channel. It is 28Hz, second order, with slightly raised ULF on the transition slope. It sounds quite good. Well, I am not supposed to say this. It doesn’t sound good but it sound pr...
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somehow i missed that moment in macondo development when you introduced S3 as a low mid driver so this came as a surprise to me - what i remember is that you didn't write so favourably of S3 back in 2004 due to its ceramic magnet. but it's good t...
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It is over 2 weeks as the crossover parts for my Altec 21S modification are sitting in my house. It would be 30 min fix but I still did not do it – juts lazy. I want for how to keep the Altec low path crossover but I the crossover for MF I would like...
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Hi Skushino,1) In your post above regarding certain(?) of Bruce's products, can you please identify *what* crossover parts you received or heard (in context of given system) which you feel are "low quality" ..?2) Which model & ...
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[quote user="decoud"]Perhaps I misunderstand the unity horn, but I did not mean my suggestion to depend on summation: the idea simply is that one horn flows directly into the other, rather than being discrete; you could have the bottom or top half al...
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Hello Romy and everyone here, Thanks again for your thoughts on the large horns. It seems best to start a new thread, as previous threads dealing with the "10-Footer" originally began as discussions of other subjects. Romy, you may want to move previ...
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After much consideration I desired to get my test crossover. I chose when for Velodyne SMS-1 that someone pitched at this site before. The unit has 6, 12, 18, 24, or 48 dB/octave low-pass filters that I need and runs up to 200Hz. I do not think that ...
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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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For God's sake it's an old Tannoy red with standard vintage Tannoy crossover muddied by scan speak pseudo passive radiator in accidental enclosure driven by a run of a mill Yamaha amp. ...
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Romy, Some very good points here... if I downloaded the correct schematic from your site for the 6-channel Melq amp (also has the term DSET in the title) then you have created a 6-channel SET amp with built-in crossover points. Your first ...
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Hi Romy,Further to my earlier message, I've measured the bias voltages for the driver tubes in all Channels.A -4.3V not adjustableB -13.82V not adjustableC -4.8V not adjustableD -4.2V (ran out of potentiometer travel...may have to adjust a resistor)E...
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Here is the set up working on trying to lower mechanical excursion w/o using large horns:5 way system. Crossover points are 40, 100, 750, 7500 the vertical JBL array 1400 mid horns have a horn tweeter built into their top. Yes the 15-40 Hz channel a...
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The Other End of the Single End: Modern Horns Done With Flare An Interview With Dr. Bruce Edgarby Dave Glackin, printed in POSITIVE FEEDBACK. 1996
Dave Glackin interviewed Dr. Bruce Edgar in his home, prior to the 1996 WCES. A follow-up on the speak...
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I do not think that magic was gone anywhere, it was just
hiding behind my many stupid actions. I was able recreate that magical sound but
so far whatever I do to navigate it the weather's need to be sonically I am
shutting magic in the butt. it is...
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[quote user="Paul S"] The "calm HF" effect is something I have long sought but seldom experienced from repro, and I have blamed the amps as much as the ribbons. Mere HF extension is not enough. Hard to say whether the amp or the rib...
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[quote user="tuyen"]This is my current 4-way GOTO setup. I know it is in no way optimal but I am interested to find ways I can improve it's layout.
GOTO SG-38WN woofer in 360L onken cabinetGOTO SG-505TT mid-low driver with Azurahorn AH-160 ho...
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Ok, spent a half of the nigh to working with my IB problem
and discovered that everything that I do now is a complete mess.
First of all the crossover that I used is not what I though
it is.
I found my old there from which I learned...
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[quote user="Romy the Cat"]Hm, interesting, I did drop the crossover frequency but I do not like the result. I was driven in different configurations and experimented from the current 13kHz to 7.5kHz. As soon I drop below ~ 11.8kHz then the overl...
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Yep, it is a lot of work and it might look like not well organized work but there is good part in all of it – when you will be do you will be done and you would never do it again. Practice shows that those custom tailored systems are made and then us...
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Romy wrote:"...I do not know anything about your LF section. What do you use and where does it crossed?..."I have 2 ULF "boxes"; each has an 18" McCauley 6174.The enclosures are sealed and each measures 14 cubic feet. They are made from 70mm thick co...
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Today I had a promising experience. Bill is keep experimenting with his Dannoys and I was visiting him to see what's going on there, since I am still waiting for my panels and I can experience the Dannoy foreplay only valceruasly. We did a very usefu...
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[quote user="twogoodears"]Yes, maybe the 120 db/octave is THE trick for complex multi-ways systems of highest resolution, yet this barbaric:-) slope can ONLY be achieved by digital domain crossovering... unfortunately, as a satisfied user of TacT RCS...
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So first in line, the horns. They stressed out that particularly the horn flares where not within the comfort zone of their own developer team.That triggered the recruitment of Bruce Edgar. The design is only his, and they took it 1:1. Of course too...
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[quote user="skushino"] The sub arrived before the main speakers, so I practiced integration with my existing speakers. They are rated full range to 20Hz, so I expected little change in performance. Instead, what I noticed with the additi...
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[quote user="Romy the Cat"]Actually it turned out that LE5-2/2105 are much more complicated driver and to sound right it need way more complex crossover then juts a band-pass the I initially unused. I spend some time with it today but did not find a ...
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[quote user="op.9"]the horns come out of a rakk dac with lundahl LL1674 passive outputs the midbass use a behringer DEQ2496 (26cm delay) modified with passive outputs.[/quote]James, if you use this DEQ2496 then you might find this thread worth attent...
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[quote user="Romy the Cat"]The result [in the 6-channel Milq] is definably better but the reason-consequences patterns are not so easily interpretable, and are absolutely not interpretable when the filters are applied.[/quote] And the explorations th...
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[quote user="Paul S"] If Marko "needs" 3rd order, is somerthing else amiss? [/quote]It is not amiss but an area where the things should be explored. What I like about horns that they have very little ambiguity and if everything is done “properly” the...
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[quote user="jzagaja"]To make the story short Autotech is a family business located in Lublin, Poland. Younger brothers graduated in mechanical engineering are cars and racing lovers - with scores in Europe as professional drivers and mechanics. One...
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