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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Christopher Witmer with his upcoming US show initiated a new wave of Feastrex propaganda. I have mention Christopher in context of his Maxonic drivers before:
http://www.goodsoundclub.com/Forums/ShowPost.aspx?postID=4601
Christopher suggests ...
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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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[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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It is a shame that I keep finding threads about a 300Hz compression driver channel, that ends abruptly. I have been trying with a not-so-exact Goto S-150 replica (~1.7m deep, 75cm diameter mouth), and I know of another fellow in Sweden who tried the ...
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Putting together a speaker system that ticks all your boxes is a lot like doing anything else well: it is fine to experiment in order to find your range and learn your options but once you choose a path you must stick to it. Chopping and changing i...
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I hooked up that old organ yesterday and listened to some stuff i remember listening to through it before. Before i get any further it's the only thing with tube amplification in the house, pp6v6 ~6w, driver is 12" Rola. My observation was that it wa...
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Thanks for the detailed answers. I will explain my setup.You are right about the dipole bass correction instead of the injection channel. Since I am waiting for both a subwoofer and the Fane Studio 8M and their horn, I am using the 12" as a b...
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Hello,ich made a new construction,three new constuction featuresbass horn mouth distancemembran movement cross settingframe horn mouthFrame double horn for 8" fullrange driver,back driver again the BG20 von Visaton,also invers montage with +- change ...
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[quote user="KLegind"]Initially I thought the Zu might be an interesting speaker in the context of tube amplification, however I tried the fullrange driver approach and I have misgivings about it...
Anyhow, the industry rag Hifi World (with wh...
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So, I have finally started testing a single Bass Cannon in my room.First, I had to get the rigidity as high as possible and then damp the steel ringing as much as feasible. I used butyl rubber/aluminium automotive deadener on the inside of the tube ...
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Not to be too presumptuous but i thought i'd start a thread that could serve as a repository for lowther comments, ideas etc.the impetus for this was that rola experiment i mentioned in the cogent rmaf thread. I was thinking hmm, 'hard', 'shouty' tha...
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Dear Robert and Roman,[quote user="Romy the Cat"]Chris Widmer [sic] does not understand it as
well not to mention that his attempt to explain the high price of
Feastrex sound too bogus.The Cat[/quote]You are certainly welcome to speculate about suc...
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Hi Romy, hi folksMy intro hello and first post, i just had to sign up. Just found the platform through googlin some hornstuff and came back too often.Especially the resonating oops was the latest topic that really cought my attention as im familar, a...
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So, the first DSET is still downstairs on the electronics bench and I am back to work for a while, but not too hard and not for too long (I hope). I've added all the filters and checked and tested and changed some more things and decided that it was...
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I'd like to point out that Fostex 500 MKII is very much not sharp and artificial sounding. If anything it's an opposite -little too syrupy , soft and round so it blends with cone mid better than beryllium tweeter. I have no first hand experience with...
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Maybe the upper midrange horn became like a paper cone speaker. Best sound I ever made, and it looks like this. It had the same ring to it as the magical SABA fullrange speakers - made of paper. But below 500Hz, I must use solid wood. The Fanes are t...
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Hi Paul. Clear now. Well that "horn" actually adds a slight 6dB boost from 200 upwards, fading out around 1k. I assume that was just the missing piece to make most 8" driver (thats actually a fullrange) pretty flat up to the top. And likely what the ...
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[quote user="Romy the Cat"] That is very good approach in my view. The
problem is in this approach that you have to have high sensitively speakers
that you would be able to use with that test full-range Milq. The behavior of
the Full range Milq wi...
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[quote user="anthony"]I plan to
build a fullrange Melquiades for a friend and then if that works out the DSET 6
or 7 channel version for myself. [/quote]
That is very good approach in my view. The
problem is in this approach that you have t...
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Moreart, 6,5" and 8" drivers are not big enough even for reproducing midrange, not no mention midbass.You say (quote taken from your website):"By processing certain overtones selectively, a rich bass effect can be created using the small speakers whi...
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[quote user="Paul S"]Funny that people think that phase issues just go away with so-called "FR" drivers, which have their own electrical and mechanical phase problems. Of course it doesn't get any "better" with multi-way, multi-amped mega systems......
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.... in home systems for Room correction and general system EQFolks,This is from my own Yahoo group, but may be of interest here....Since writing this I have in fact changed my speakers to dipoles and do not currently use a PADEQ (it will return thou...
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[quote user="Romy the Cat"]Here I share some thoughts about what you have shown. I will
share only critical and warning thoughts not because I have nothing but critiques.
All nessesary compliments for your planning come as a default and I do not
t...
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Thanks for this one Romy, very interesting...it sorta ties together several things that I have been thinking about lately. I guess I am lucky that the Bass Cannons can be run off 9w from the DSET bottom channel and from memory I get about 115dB at 1...
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[quote
user="anthony"]Looks like the Red 10's are circa 92dB/w/m as an
entire "speaker" including woofer. I've never played with them
before, but I wonder how much, if any, SPL is scrubbed from the tweeter by the
crossover so that it matches the...
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Hello to all Good Sound Club Members, and special thanks to Romy The Cat.
We are a Polish audio company started in 2011.
For now we have two tractrix horns available - 400 Hz and 600 Hz. Next week we also should have 115 ...
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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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[quote user="Romy the Cat"]
manisandher wrote:As I alluded to before, I'm at risk of becoming a DSET convert - it's all very well having a nice low-powered amp, but what the hell do you use with it? Are there any decent high-sensitivity FR speaker...
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[quote user="Romy the Cat"]I think it is about right. The 6C33C for upper base has 100K
biasing resistor and 20K to ground in Lpad. That would make ~60Hz. This high
pass that unload the LF from the horns that it can’t handle is very important
as y...
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