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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Another Ear Academy course ahead for me then.
Just got to summon up courage to try to solder wires on those pesky little ali vanes.....
Brian.
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No idea how one blends in a random passive radiator, and I gave up on it after a year or two, many years ago. But if you can put your ear to the passive radiator and hear it plays up into the midrange, then you will probably want to use something wit...
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This type of the “time alignment” has as much to do with time alignment as if they whistle into the horn and observe the re-entering echo. What they do is perfuming the ritual dance in front to the loudspeaker that called “trade show ballet”. The Sit...
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Wojtek wrote : "...haven't seen any other fane 8M for sale in months anywhere..." I just checked and found a pair of 8Ms on eBay... item numbers : 310021284113 And : 310023127933 (I hate it when a pair is broken up over two separate listings!). You s...
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Jessie, as it happens, I find my own best listening position varies somewhat these days, depending on what I'm listening to or for. For the best overall energy in my fairly energetic room, it is with my ears about 1 1/2 m off the...
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"The imaging of omnidirectional bass radiated from a single point might be also very “interesting”",stupid? no not known?Bass are between 3,4 m up to 20 m long waves, ear brain can get it afterthe 4th wave, so 40 Hz is than 32 m and ~100 ms...
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[quote user="steverino"]Generally I agree that Mono recordings are only preferable when the stereo recording is messed up in some way.[/quote]I would assume this is a popular viewpoint, and easily agreed with, when the goal is to reproduce as closely...
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A few years ago somebody, I think it was “drdna” from California, told that he has a habit to listen the mechanical noise of the tube hold the tube at his ear by hitting the balloon of the tube. I did not exactly acknowledge it at that time as it was...
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...IMO, at least. I strongly believe the name of the publication game is entertainment and the vehicle is audio-visual hardware "news" & "opinion" & pictures.[quote user="guy sergeant"]I stopped paying any attention to the ravings of magazine...
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Listening to the horns, it seems that they indeed die somewhere below 120Hz. I was surprised, and a little disappointed that it seemed so steep. Good to hear that it's to be expected!!Yes, I'm using a 30-something-Hz 1st order high pass on them ...
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[quote user="Morfeas"] Fs of the driver is measured at 32HZ matched for both channels. [/quote] Manolis, if you have 32HZ of loaded driver resonance and a large throat in such a short horn then I would propose that you have your 50HZ not from the loa...
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Yes, when I move the drivers or for that matter if I move my listening position, I realign.What I hear and measure about the drivers relative distances to each other is this. When I first set up the drivers, one horn ended and the next one started, t...
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[quote user="jessie.dazzle"] Though the frames have wheels and roll very easily, my room is cursed with an elevated platform smack in the middle of everything (about 14 inches higher than the main floor), and to move the horns up on to or down off of...
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Romy wrote :"...I have no way now to look at the right number but how I “feel” is you shell be arriving under 8’ of length and 40Hz cutoff with 8” throat. With 4” throat you will be looking at 12” or so…"For info : In my case, I am using an 8" throat...
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Dear AllI am new here, but have been reading quite a bit about the EAR834P from people here who are quite enthusiastic about this design.Thorsten had got me off my butt to build a EAR834P from scratch when he posted his mods at the AA. I still o...
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[quote user="guy sergeant"]I used to work for a valve amp making company and we had a little 2 stage phono amp that sounded far better than the 834 with passive eq, no feedback etc. It also cost less than the EAR.I can send you the schematic if you w...
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Romy, how are things progressing with this? Is it all done and dusted yet?
Can you compare and contrast the sonic differences between this high Gm contrivance and your previous EAR 834 variant?
All the World is waiting for the sunrise....
Bria...
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[quote user="Gregm"] It's better than a Marten Supreme because the mid is cut off @500Hz whereas Marten cuts it off at 1,3kHz "where the ear is at its most sensitive". Note: they must be referring to latest technology ears -- not the tradi...
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Yes indeed. The company was originally Nova Physics and appears to have been sold on to Sam Laufer, a lawyer by profession originally who brought in Mark Porzilli of Melos and Pipedreams fame. I do not know if this company actually manufactures or se...
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[quote user="decoud"]Yes, it is built according to the schematic, but by someone else, from whom I have only just received it. The opt is custom-made nanocrystalline amorphous core, gapped at 300mA and running 200V/240mA. [/quote]Very good. The 200V/...
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Much clearer with the drawings; thanks again, Romy. So, if I listen to my old jazz LPs recorded live at The Village Gate with the DSP-Z9 on that setting I would be getting a double dose of ambience, along with the extra stuff the recording engineers ...
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Hi All, 103 or 103R + mass loaded SME headshell + 3012 or a 3009 + Seiki 1500 + hagerman opamp phono stage (good only with select parts and battery power) or an EAR 834 (with some mods) and some old Altec mic t...
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Many years ago, Peter Moncrieff (of IAR fame) built some Bose-like, multi-driver speakers, and some of the drivers "pointed away". These were heard and hailed by no less than Numero Uno Audio Guru, JG Holt. I never heard these speakers, but I have ...
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[quote user="Thorsten"]Then it does exactly what is asked of it, I asked JB to design it for me PERSONALLY as a "wire with gain". I have been on previous occasions been unconvinced of many stepup transformers, be they sowter, amplimo, EAR or jensen. ...
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I wonder if you could hang a secondary driver in a dead box, without baffle, or perhaps more usefully, with a shaped baffle and use it to provide the "resonance" effect of many vibrating panals of tuned length and specificshaped radiating areas...
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I know the standard logic is that everything needs to be time-aligned, but essentially the lower the frequency seemingly the less critical time-alignment should be, at least on paper. I've heard of studies where it is suggested at low frequencies th...
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After much listening and measuring I convinced myself that there is no way for me to escape the use of the 24dB per octave slope if I want to keep the sound of my midbass horn not violated. I also have to admit that I will not be able to render 4th ...
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Here are a couple of measurements of S2's (not taken at the show).Both are taken at the listening chair, ear position in my system.This one is on a 2nd order passive, spec'd to cross at 1.25KHz.(This was Coco's S2 with new surrounds on a Le Cleach 55...
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Romy, I believe the cartridges are manufactured form Decca by JS Wright in London.The suspension is less of an issue since the Decca cartridges use a novel transducer. There is no cantilever. The stylus connects directly to a metal foil w...
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[quote user="jessie.dazzle"]Assuming situation 2 is possible, receiving mid-bass primarily as reflected sound, one would have to take into account the reflected path of that sound, and how it describes the mid-bass part of the image, relative to the ...
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