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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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nl,
[quote user="nl"] I offered to be of assistance, as I have a little experience in these matters, but assistance is not appreciated so I will be leaving the Kingdom of Romy for more productive environments. [/quote]
where did this come from are ...
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Chris, I certainly did not mean “costs nothing" in the literal sense. I meant that it costs as much as any other driver to make that Feastrex. Come on! If it is an electromagnetic driver then how much does it cost to make a few pounds of core (even i...
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Recently an audio guy visited me. I played to him some music as, as I uselessly do - from all possible sources and we ended up to have a conservation which sources is able to produce more interesting result. The people who hear my playback know t...
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Ok, I made some further experiments driving this time my S2 driver from Milq DH DSET. The hell of the sensitively - it was too much. So, I went for 4:1 inner-stage ratio. The result was very successful and the amp looks like was able to get more...
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Since my Fostex saga went deep South I was scratching my head wondering what else I would like to do considering the I would like to do as less as possible. Well, talking about to do as less as possible – I like the sound of my shitty Hamster S...
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Bud, yes and no. They are right and the ultra high frequencies do pass any capacitors, indictors and transformers and I am attractive to the idea of filtering somehow by using the skin effect, I fins it is VERY elegant. The problem is that I do n...
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Whoever implemented and experimented with my slicing of lower MF range by 3 channels (Upperbass, Fundamentals, and MF) know how powerful it might be. Changing loading and volume of each of the channels it is possible to write any sound one might ...
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Actually the S2 above 8Khz, or what ‘nl’ calls the “breakup range”, is something that I absolutely certainly would like do NOT loose. I very much like what S2 at it’s 10-12Hz. It might be a bit brutal in some cases; I reported it at the beginning...
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[quote user="serenechaos"] blah, blah, blah, all that stuff... yes, yes, I was thinking along those lines last night after I posted it, and wondering if effects of hi pass, (not just steep acoustic roll off of driver), in the amp, relieving unwan...
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I was asked a few days ago what I think about Zandèn new CD player and I replied that I do not think about it.
Truly, those companies produce new models each 18 month to initiate new rounds of cash extraction from clueless, deaf and blind audi...
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Not completely objective but still “some kind of test” for the bit’s resolution. For those of us who use Pacific Microsonics processors it is easy to see of the file was original. When pacific does A/D it injects the HDCD code. It does it in any ...
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A site visitor pointed me out the I never made an intended write up about the David Haigner horns. I just forgot about them… OK, let analyze David’s claims and his Alphahorn design. I would say right the way that I do not like the Alphahorn’s id...
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[quote user="el`Ol"]Hello Romy!
I just listened to this system http://www.hornfabrik-eder.de/index.htm which has an 8" Görlich in the upper bass horn and I couldn´t find anything "inherently faulty" about > 4" without compression. The kettledrums...
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[quote user="nl"] Gordon Rankin of Wavelength Audio did a series of one-stage DHTs with a step-up transformer input about ten years ago. I think they were called the Mercury series. By all accounts, they sounded good, but of course had limited gain, ...
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Thanks guys for all the suggestions.Klaus wrote :"...there are a lot of questions, but if one thinks to much, then he will end up like this lynn olson, pages and pages of endless talk and no horns..."Very true, I need to get cracking, but I'm&nb...
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Yep, Stefano, it looks like we do have similar views about the subjects we touched. Let go back to exploring one of the terra incognito of compression driver – the sound of Goto.
I would insist is that to judge sound of Goto driver from the installa...
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[quote user="twogoodears"]Beside I'm not a Goto eGotist and I own about 7-10 years old drivers, for what I'm concerned their sound is correct, quite lean if compared to 2440 and 2420, thicker sounding - but very, VERY detailed, quick and musica...
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I do not know which core and wire materials I shell need, I need to consult with my transformer people for that. As the starting point I plan to use that:
http://www.sowter.co.uk/acatalog/EQ_INDUCTORS.html
It might be good as is of I might order so...
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The precision of those inductors is very much irrelevant – it would be easy to fine-tine the filter with the value of the resistor. There is a bigger fish to fry – the benefits of LR filter.
If we are taking about high-pass filter then there are no ...
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If to look at the Melquiades schematic in the channel “A” you will see 78H first order low pass filter.
http://www.goodsoundclub.com/PDF/6-Chennal_Melquiades_DSET_Amplifier.pdf
The low-pass filter in Milq and the low-pass filters generally is great...
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I.M. Distortion wrote : "...#1 from were you listen to system from you should be able to look down the throat of every horn in your system..."jd wrote : "...Hmmm......
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[quote user="Marc HENRY"] For this Musique-Concrete horn system called "Grande Castine" (it was developped in Saint Cast Le Guildo, Britanny, France, from were females inhabitants are called "Castines" ) i prefered a modified 60Hz Le Cleac'h cylindri...
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Paul, l I have written about it somewhere: the passive speaker-level crossovers on bass channels are no good. Marko has 250Hz that with 3rd order would be around 10mH and 2mH. With air core then would be very large coils with huge amount of DCR – ver...
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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="hagtech"] It's difficult for me to guess exactly what the possible sonic effects of the ripples would be. I see a tube operating at a fixed point, having a particular distortion spectrum. Say -42dB 2nd harmonic. Then, t...
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[quote user="Ronnie"]I'm curious about how you set up your horns in the room.From photos it looks as if they are fairly close together, compared to the wide setting you suggested I try, while our room dimensions are fairly similar?When I started push...
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Chris, I have no experience with good sounding SS amplifier that might drive high sensitive horns. I also have no expertise to build such an amp. From what I trued before I have learned that in order to sound more or less acceptable the SS should run...
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Well, I never felt that for prototyping I need more then one-channels crossover as by use of the poor sounding prototyping crossovers I never look at the system in it’s entirely but rather for the “technical listing” of just two channels that I...
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I spend quite a few hours playing with the new channel trying to ingrate into Macondo but so far not successful.
Since the new channel and the Macondo upperbass horn have identical sensitively and identical impedance I figured that I would drive it...
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[quote user="ml8"]...but resistor between screen grid and plate, to my hearing, makes sound slightly unnatural, especially in highs.But this may be not true in your case (i didn't try to use this resistor with 6E5P, only with other power tetrodes), s...
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