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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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For the sake of helpfullness, I think that we may separate the differences of the ported speaker designs of myself and Petar. What I have described is the standard, pedistrian model of a vented speaker. Petar's is a hybrid aperiodic-...
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[quote user="Lbjefferies7"] I just have no idea whether or not it will work without making noise. [/quote] That is exactly my point. I am sure that it will make noise anyhow, as any port does, but how masked out and how annoying that noise will be is...
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Hm, it is complicated. In context of ported enclosure (or passive radiator) it is imposable to talk seriously about the box resonance as a speaker/driver has no own sound but rather a summation of zillion resonances, aftersounds and the rest dirt tha...
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I do not know what the Fs of the drivers that will be using. I did not measure them yet. I have one of them in ¼ cub feet box with a port making 65Hz and two of them in 1/2 cub feet box making 38Hz. If I found more of the them then will be unit...
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For what I can understand, your system works as a treatment on the cones surface. In ported (bass-reflex) speakers some of the bass energy comes from the port. Should it be treated as well? Maybe since the sound coming from the port is not phase cohe...
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Maybe you remember, even though I liked sealed enclosures I chose the ported bass boxes for my system. The reason was the TAD 1601b's in my situation. They just work and sound better with ported enclosures as they were designed to be used that way.Ma...
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Antonio,Works just fine with ported, unported or open baffle. The process works on the boundary layer of the cone. This is the very thin area between cone material and air. The actual mechanism just disallows energy trapped in this zone from reflecti...
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[quote user="ArmAlex"]Dear Romy,Most of audiophiles listen to ported bass so there is no info left in LF to worry about.Best regards,Armen[/quote]Once again the misconception that any or all ported bass is evil and must be eliminated. This is simply ...
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In reference to:
http://www.goodsoundclub.com/TreeItem.aspx?PostID=1414
I had recently a guy in my listening room and he asked me if it would be possible to get the 300Hz range in the way how it sounds in my room but without using those larger uppe...
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Hm, it is complicated. In context of ported enclosure (or passive radiator) it is imposable to talk seriously about the box resonance as a speaker/driver has no own sound but rather a summation of zillion resonances, aftersounds and the rest dirt tha...
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[quote user="ArmAlex"]Dear Romy,Most of audiophiles listen to ported bass so there is no info left in LF to worry about.Best regards,Armen[/quote]Once again the misconception that any or all ported bass is evil and must be eliminated. This is simply ...
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The least offensive result I have gotten from a ported speaker was closest to the yellow option. I built a pair of small monitors with ports on the top purely because it was the only way they would fit. I cannot reasonably e...
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[quote user="Scott L"]Once again the misconception that any or all ported bass is evil and must be eliminated. This is simply not true. What is true, however, is that many or most all ported (vented) woofer systems have been done incorrectly.[/quote]...
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I’m new to this outstanding website and I found it has really educational value and antimoronizating information :)
I’m still in the world of direct radiators and I’m looking for the ultimate midbass channel solution. At this time it’s still impossi...
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Maybe you remember, even though I liked sealed enclosures I chose the ported bass boxes for my system. The reason was the TAD 1601b's in my situation. They just work and sound better with ported enclosures as they were designed to be used that way.Ma...
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Kodomo, I do not like ported sound, it always have a problem
with the way how ported enclosures present vowels. You can tune them in this
way or in that way but all of the ported systems I heard have the own characteristic
coloring vowel at the ve...
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All thinking about ULF are usually centered on 3 subjects:
drivers, topology and amplification. Even though these 3 subsets very much intertwined
I still would like to talk about it separately. We do presume that we have the proper
drivers for pro...
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thank you for sharing your concerns.The LF module I was building was like yours with drivers from scanspeak. However both the dealer was not professional and the the drivers had a certain sound to them (too much character) so I ditched that solution....
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Is Yoshi's box ported or sealed? If it's ported.. of course he's going to be listening to more.. a lot more.. of the box... everything below.. 60hz? is box music.if it's not ported then this is a more interesting discussion. when I first read romy's ...
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[quote user="Scott L"]I had to take
pause before I answered here; realizing in an almost shocking manner [that] I
don't listen to many commercial loudspeakers.
I am largely involved in the (gasp) DIY
community, where it's also very often done inc...
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I do not know what the Fs of the drivers that will be using. I did not measure them yet. I have one of them in ¼ cub feet box with a port making 65Hz and two of them in 1/2 cub feet box making 38Hz. If I found more of the them then will be unit...
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For the sake of helpfullness, I think that we may separate the differences of the ported speaker designs of myself and Petar. What I have described is the standard, pedistrian model of a vented speaker. Petar's is a hybrid aperiodic-...
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[quote user="Judas"]Sorry right size =[/quote]...
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[quote user="Michaelz"]I know that piano sound board is very expensive. How ever, one can get brken old upright pianos for free, or for very little (except you need to have a truck to move them. No clue for lack of time though:^...
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It is not ported... Is this thread THAT boring ?...
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Robert, Agreed... many people rave about the FE126E in just about anything... yet, I find them irritating (upper midrange shout) before 1-watt sets in. The F120A (in a simple ported enclosure) is a completely different sounding driver. Sti...
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Dear Romy,Most of audiophiles listen to ported bass so there is no info left in LF to worry about.Best regards,Armen...
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I have 2nd order crossover both on the upper knee of the ob bass section and on the lower knee of the midbass section. My measurements show phase response and the summed spl is as good as it can get. Have you tried the direct servo technology or do y...
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The injection channel is the only thing about the Macondo that raises my eyebrow as a kind of "out there" concept and I have been meaning to ask about it for quite some time. I tried to brush up and read as much as I could just now on your experience...
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of MTM arrangement of two TAD 1201 in <100 Hz Horn ? I assume they would both work in the same frequency range . Also JBL LE8 is only 89 db driver and it doesn't look like it can take any power . Difference in efficiency within the channels would ...
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