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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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A lot of people ask me about those drivers and I’ll try to compile my vision about them. I did try most of the possible tweeters: dome tweeters with cloth cones, varies type of hard metal domes, compression drivers with aluminum, titanium, phenolic a...
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[quote user="noviygera"]I am very curious what "properly made" means when perusing the tonal attributes of LF. What properties or specifications other than driver diameter do you evaluate when perusing a better tone?[/quote]
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This time from Germany and this time the pattern is very much the similar to the patterns of any other company that sell electromagnet fro Hi-Fi: the semi-idiotic statements-claims meant to impress uninformed peoples and no credible claims about ...
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I looked at the schematic for Herb's 300B SET many years ago. It's been copied and slightly modified by many.... personally, I would not use it for a 300B amp... then again I probably wouldn't use it for a 2A3 or 45 either (I think my input/driver d...
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[quote user="rdrysdale"]Romy, I just got a Vitavox S2 into my shop today. I notice that it has a very heavy stainless screen on the front, do you leave the screen on when using the drivers? It looks like it restricts about 50% or more of the thr...
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[quote user="Romy the Cat"]First of all, if you have
multiple of PP3000 then be advices that them connected in parallel substantially
descries sound quality for each of them. Then might be use ONLY at different
phases of some measures should be ta...
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To answer Romy's questions :
Drivers :
Vitavox AK151
Resonant frequency :
I did not try to measure it....
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Yes, I promised to tell about, so here is comes.
The past Sunday I woke up at 6AM and first intention to answer to myself what is wrong with my ULF. I had wonderful sound with absolutely wonderful and the most important very proper bass. Howe...
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[quote user="rowuk"]Brass instruments function much differently than audio horns. First of all they are built extremely resonant by mismatching length and horn taper. The taper of the bell is there not for horn type efficiency, rather to change the a...
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de Charlus,I don't think that you are taking the posts the way that they were meant.Your initial post started with a collection of what you consider to be the finest drivers for specific tasks. That is just fine and you may well be correct.The real j...
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Ok... Assuming the lack of time alignment is compensated for via a DSP:
There are likely large chunks of the frequency spectrum that go un addressed, and equally large chunks that are mall-addressed.
I would say that there are two main ranges ...
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There are many ways to deal with EAR-843PT. To my ears it works wonderfully, this in my case it coupled with Expressive Technologies ET2 transformer that probably takes in totally new league. I kind of so addicted to this transformer that I even run ...
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[quote user="drdna"] This implies that it is up to the stereo equipment to determine the perception and perhaps there can be one ideal stereo system. While it is consistent with what is observed, it means that there is no human variation in listening...
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...especially about the difficulty of making a transparent preamp. It seems to be a general concensus.
But I need gain for most of my sources apart from perhaps the FM ...
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The other day I was listening to a friend´s system with nice Avalon speakers, only one 10" seemed to be enough, of course it seemed we were playing house when listening to music, everything was small and very nice and pretty...Now when matc...
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[quote user="Romy the Cat"]
Andy 1) Actually the most interest was in the fact that I was not asking two questions but one question at the same time as I see both of the questions are inner-related. I was under presumption tha...
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Yep, another TT but what does it mean “Analog is Back” and “new hope for the discriminated analog Audiophile”? This language is a crap that industry and armature cheerleaders develop to pump themselves and others up. However, in my view this lang...
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[quote user="de charlus"] I propose to array the drivers, and horns, as laid out beneath, from top to bottom;Ale Acoustics 160Super (15hZ-1000hZ, 110db/w)15hZ - 150hZ Lower bassVitavox AK 151 (50HZ-8kHZ, 100db/w) 150hZ - 350hZ Upper bass...
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Recordings are listed by year of release:
"The Lord's Prayer" and "Twinkle Twinkle Little Star." Emile Berliner. (ca. 1888)
Emile Berliner, the inventor of the microphone and founder of the first disc record company, lived and worked in Washi...
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We enter a complicated region as the lower driver we go the drivers could be used for different purposes and it is very hard to generalize. A 10-incher might be MF driver and LF driver. In my past I experimented with few MF 10-inchers, including some...
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It is well known fact that all loudspeaker enclosures contribute to the sound of a given acoustic system to some degree. Unfortunately the resonances of the baffles have constant monochrome character and if they are too prominent there is always ...
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It looks to me that I will be able to live with my 6 driver
line array. Again no measurements were made but it is what it “looks”. Sound-wise it is very reputable and I just might
leave it as is. My current room is 6 larger to what I had in downto...
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My Grandma died. She was in her 90s…
The funeral was next morning. I learned about Grandma in the beginning of the day but a lot of little pathetic errands did not allow me to leave for Philadelphia right the way, not to mention that there was...
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A private Project is finished.
Some record collectors and serious Listeners (RCA Living Stereo, Decca...) wanted the best Phonostage to...
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In Praise of Infidelity
by BYRON JANIS (!!!)
Wall Street Journal, todayhttp://online.wsj.com/article/SB10001424052748703580904574638380890512334.html
In an interview last April, before his performance of Wagner's "Lohengr...
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[quote user="Joe Roberts"] Imaging...another hi-fi delusion. I used to record the Philadelphia Orchestra. The orchestra does not image.[/quote]
Would it be in 80 sunder Riccardo Muti? No wonder that it did not image. To be more serious I have to say...
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[Quote]As
for my critique of "imaging" I do reject the mindless way the term is
used these days, particularly when musical perception is equated with
visual perception and visual logic and terminology are used to discuss
and evaluate system perfo...
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I was telling somewhere that in case you have built Super
Milq then you need to label everything. My Milq has test point at plates of the
first tube, the bias and plates of second tube. It means 3 test points per channel,
time 6 channels it makes ...
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Conchita Supervia (1895-1936)By Professor Stanley Henig
“A magnetic personality, as well as a great singer…. the kind of artist around whose name legends gather”(Desmond Shawe-Taylor)
“Her gaiety, good temper, sympathy, and charm cloaked a k...
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A few things I would like to say in context of Pham’s playback.
I will leave his infatuation with turntables alone – man like to collect turntables and he within his constitutional right to do whatever makes him happy. The problem that I see ...
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