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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="tuyen"]When i change the cutoff of the 505tt to 200hz and 250hz, I experience that same 'hole' you mention about. Hence why I was questioning if it is the 160hz le'clech horn causing this and if using the goto s150 horn with it's di...
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The AA guy with name Kloss runs on side a company “KCS loudspeakers”
http://www.kcsloudspeakers.com/
I do not think he does anything with his company. He is known for years helping other DIYers like himself to make theirs loudspea...
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Here is the list of the thing to do with Vitavox S2 in order to use it in 4-ways installations. The S2 must not be used in 2, 3 ways systems. It possible to do with S2 whatever you wish but pretty much any other way to utilize them produces some very...
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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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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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All-I'm optimizing new speakers, but the deep subject matter is a little new to me. Will this work?Using a pair of Welborne Labs DRD300B SET amps (tapped 8ohms) with a 3-way passive crossover to integrate these drivers. Here is ...
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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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Jacky, so, you are the person who did that presentation at
the video was posted by xandcg a few days back and who presumably found the company,
welcome. Is the same internet forum account used by multiple people then it is
hard to differentiat...
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[quote user="Thorsten"] I did use the term "crappy" in the connection with the tonearm in an ironic sense. Have you lived so long among US Americans you lost your sense of irony? Also, i do not suggest crappy Phonostages, merely ones with low input c...
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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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[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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Well, frankly this conversation is about nothing in my view as the way how the subject calculated there is no right and wrong in this debate. What is acceptable, what is reasonable, what is effective what is any another adjective to put in… phono...
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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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I am not well familiar with what Berkeley. Their voyage to the beginnings unit that the company started was irrelevant to me and then thinner USB version did not attract my attention. It is not that I feel that they were bad units. I never had th...
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This week I will be trying to address why the Milq midbass is clipping. This is very interesting one. Currently the Melquiades LF channel uses an output transformer 700R to 5R or 11.83 to 1. I thought before that I have much lower ratio, like 5:1 bu...
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[quote user="zako"]I did not like the two slit configuration of the phase plug..but the five to one compression ratio produced low distortion,,,but i was not impressed with its bandwidth,,,JBL also used a eight inch speaker assembled to a special...
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Well, it took almost two month and much more money then I thought but I was eventually able to get very decent sound out of monitors. The SL600 sitting on my “fundamental channel’s” tripods did not do well as I told before and I was forced to s...
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Well, I spent today a number of hours trying to advance my observations regarding abilities of the one-stage Melquiades. It was quite interesting. Thankfully the electivity today was way better during the second part of day. I loaded the 6E6P heavier...
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[quote user="Cosmos"] Anyway, as the description on our site on second paragraph says, the third 6C33 located at the back, is used as the pass element of the regulator (controlled by solid state circuitry) providing 220V with 100uV of random noise &a...
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[quote user="Romy the Cat"] martinshorn wrote: I expected your disappointed resonance already.
What you write completes the impression of the evening. I didn't go that far
not to blow up the mini article unnecessarily. But be honest, you knew it al...
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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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[quote
user="Stitch"]The motor can't hold the specs forever…..The motor
itself drives a HS-80 easily.[/quote] Yes, and no. When people
talk about it they forget to note that it is not a motor problem most of the
time but the interface between pla...
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[quote user="Romy the Cat"]
RF at Ona wrote:Personally, I think it debatable whether the mouth edge should be free or attached as there are desirable aspects to both approaches. If attached, it need not be attached with great pressure. Robert, ca...
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I recently completed some upper bass horns which I'm now enjoying very much. Sadly I lack the skills of someone like Jessie so my efforts are crude in comparison, but they are working well for me which is the main thing.I already had some old frontlo...
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Paul,It would be improper for me to write down what I have worked on over almost 40 years in the telcoms business. WRT a CV for example, I have in the past written it all down and the reviewers do not believe it. Eventually, i stopped bothering abo...
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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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Devo, the GM-100 for sure is a good triode to get 160 watts
output power in A1. Still, it would be a good chose, from my point of view,
ONLY from a prospect of embracing as good DIY audio project. There is nothing wrong
then to do the good DIY aud...
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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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