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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="Romy the Cat"] Scott L wrote: the last time I checked, you were using 6each
@ 10 inch low frequency drivers per side. That's "getting there" but
still not enough to produce an acoustical watt. (which horns CAN do).
I am not sure w...
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[quote user="Gargoyle"] Romy the Cat wrote: Scott L wrote: the last time I checked, you were using 6each
@ 10 inch low frequency drivers per side. That's "getting there" but
still not enough to produce an acoustical watt. (which horns CAN do).
...
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Ok, I said a mistake, I like direct radiator (sealed speakers) too, but I often noticed more dynamic with horn speakers (I like every speakers (if properly tunned) except speakers that radiate with both sight of the drivers (bass-reflex, tapped horn,...
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Last time we wrote you thought I should focus less on tweeters and more on midbass.I am not done yet, but I have found a very nice midbass solution. Somewhat unorthodox, maybe.I have come to love police sirens! Without having A/B compared it to a pai...
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I built a prototype of a Avantgarde Trio in newspaper and tape, with the Beyma CP380/M, Community M200, and the Fane S 8M, and I also used a Behringer CX3400 and a 45 tube amp. CX3400 is soon replaced by digital active XO.Paper may have made the midb...
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Gentlemen:I've thought about this mid-bass challenge for quite some time. I have tried many approaches.For the sake of my example, let's assume mid-bass to cover from 60-600Hz. That just happens to be the classic "decade". I have to fully agree with ...
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Generally, I do not think it is possible to put 60Hz horn under MF channel. You have a limited highs of MF and you need to put 60Hz under it. You have no room for circular horn and you have to go rectangular, mach wider then you want it to be. Then ...
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Romy,You make very, very good points now I am re-evaluating this all-in-one horn concept. I do know one thing that I learned from my current system. Midbass horn that rolls off below 120 hz and integrated with sub is not good. I have struggled with t...
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Hello, Ulf, and Happy New Year. Slightly OT, I realize, but have you tried at all to optimize the L Cao driver as a direct radiator, and disregarding LF? Do you have any impressions of this driver above 300 - 400 Hz and below 4.5 - 6k Hz, with respec...
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http://www.aries-cerat.eu/
(Curiously, the "Contendo Reference" is not listed under speakers but has it's own tab)Seems to be primarily an amp maker looking to branch out into speakers and custom audio installations. The image of the "Contendo...
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Unluckily I have no experience with IB, would love to. Any way If you want it hidden and time aligned, the best bet is the uderground!Now having all that space there it would be a pity not to go IB.The IB idea can be much more elegant than the pic...
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[quote user="Romy the Cat"]
...I would like you do not distract yourself on the irrelevant directions: cables, room treatment and etc. They all are important things but the problem that you describe is more basic then all little things... ...Bruce...
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[quote user="Romy the Cat"] I do not really believe in the ultimate ability of SET amplifiers to drive loudspeakers, at least any loudspeakers. [/quote]Well - I've heard a couple of such amplifiers, made by Mr.Juri Makarov. They did have more o...
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Eventually I found hot to balance out the fundamental channel’s arm a 1 galloon bucket filed with led shot and Super Melquiades power supply do a good contra-mass.
I did not do a lot of listening but the very initial listing that I did are clear...
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Chris, yes and no. The phase shift 90 degree of there perhaps but it is not really relevant. If we have a very low frequency horn, crossed low with high order crossover and the entire horn is delayed at 30ms then we do not have the same negative impa...
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I pretty sure we are talking the same things, ie
Phase shift = frequency dependent delay - spreads a signal out
Geometric arrival delay is linear phase - delays all frequencies equally (obviously)
I was just hypothesizing that a slightly ge...
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Romy notesQ[quote]
It uses at the buttom a regular sealed or ported box and the driver as direct radiator but they also put the speaker on the spikes and made the bottom looks like it is a horn output. Also at this larger model[/quote]On the smalle...
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[quote user="Henry"]I've heard these Haniwa speakers on Sunday. They sounded terrible. My niece and her boyfriend went on Friday and couldn't get Kubo to play something other than classical music. When playing classical music, the sound was...
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[quote user="Dominic"]I'd put your sub horns above your head. There are some big issues with that but you save a lot on concrete engineering, and assuming space remains in future you could apply what you learned from the overhead wood horns to a more...
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I am just reminded of the long-since-superceded (naturally...) 10" Tannoy "mid-field" "pro" monitor. I think it was the TM10, which also used it's cabinet to very good effect, at least in terms of voicing. You want "bubbles", I...
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The cone soaking is a whole another subject all together. It is possible to make amassing changes with drivers, from taking the sound out off roof to complete killing sound. I know that effect Glycerin has to paper cone. There are hundreds of other c...
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As late as the 1960s every self-respecting hi-fi nut had a "secret recipe" for "speaker dope". My own guru would not give me his exact recipe for speaker dope but insisted that developing the stuff was a rite of passage I had to go th...
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[quote user="el`Ol"]JBL developed the PT-Waveguides not only because they are easier to produce. They also have less harmonic distortion than biradial horns. Disadvantage: They look far less funky.[/quote]Why JBL developed their PT-Waveguides and how...
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[quote user="Wojtek"] Roman, could you (or enybody ) elaborate a little bit on JBL L8 and its application ? Not so much sensible info on the net besides that its a fullrange usefull in 40Hz-8kHz. [/quote]I do not know, how can I elaborate if I never ...
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Hi Greg,linkSearch the site and you'll find that Ulf has created a upper bass horn using the aforementioned TAD 1201's.I also own a pair still in boxes waiting for the weather to warm up enough for me to start some enclosures and horns for.My origina...
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First off, I will point out that neither Silbatone nor I claim or agree that the Aporia horn is a point source, because clearly it is not. The sound comes from two "areas" but even that is not a particularly useful notion.Although some do make that c...
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Why no amount of watts will compensate for direct-radiation :Start with the obvious : When compared to either multiple direct-radiating drivers or a single horn-loaded driver, to achieve the same SPL, a single direct-radiating driver must work harder...
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Romy,In response to your response to what I did not say but implied....I decided to put the question here instead, where the light of enquirey might shine upon several different facets of investigation.Firstly, I'm still interested to know if you are...
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Of course i am referring only to the horn part of a 210-type enclosure. Below the horn cutoff, perhaps around 70hz for the 210, the remainder is filled in with a wooly bass-reflex peak, which gives these boxes their characteristic fluffy, indistinct,...
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Battling horn criticism is the very same thing that battling audio superficiality, lack of serious criteria about audio and ignorance aboutthe phisics and geometry involved. The really annoying thing is that audioworld was ,in his early developement...
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