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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="Romy the Cat"][/quote]This is a technical post.I've made some progress on my assault on the above version of EAR 834. After hard (mostly because of my idiocy) labouring through the soldering, I've creeped to the level where I can make so...
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[quote user="Romy the Cat"]Koetsu are crap …[/quote]Ok, this is the short form but I thought, I should write a little bit more.. :-)Most write, they do LIKE this and don't LIKE that...I think, this is nonsense. I would reduce it to right or wrong.I l...
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The two stages 7788-7721 phonostge can go at near 70dB and it were what I was intended to put in that Chinese chassis. I would like 6-10db more. A transformer? A semiconductor gain stage? A third tube stage? I do not know…
Actually reticently, two s...
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Hi Romy, Here is my dilemma. I like the SU1tremendously. Don't laugh....I had it hooked up to aRotel Michi RHQ-10 and the combo is sounds amazingwith my cartridges. I recently was feeling itchy and bought a Pass XONO.The Pass XONO cannot touch the so...
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Thank you very much for your responses guys. I'll see if I can get a S&B to try with the EAR and listen how the music benefits or not from it. Romy: I understand things in the same way you do, I mean that I mainly listen to the music, you may rem...
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Paul, I think we mean different things by transients. By my definition, there is no correlation with dynamics or volume. There are transients in the softest sounds as well as the loudest. A transient is merely the onset or initiation of a musical not...
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... yes, Roman... I also love Tsabropoulos' renditions and THIS very music fucked my mind, about 15 years ago... Keith Jarrett played and recorded it always on ECM, piano solo... BUT, Roman... please, PLEASE, find the real thing - i.e. de Hartmann pl...
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In his latest YouTube,Romy mentioned using my prepro to time align my drivers.I use the Trinnov Altitude 16 prepro which has a total of 20 channels. 16 of the channels have balanced analog outputs and the othe four Channels use the rca and optical sp...
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Mark, you certainly have a point – if you used the techniques above did get sonic benefit then that all that shall count. Well, sort of. You see VTA is no more than the angle under which the needle hit the record and for all intended purpose it is no...
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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="decoud"]For what it is worth, unless you are irradiating a concert hall, the SH50 is perfectly adequately driven by a 15W single 845-based SET, and I will shortly find out what it sounds like with a full range Melq. [/quote]Probably 15W ...
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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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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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[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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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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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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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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[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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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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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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[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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[quote user="AlexBerger"]I think I should to give some break-in time to Sylvania 0a2.50 hours is enough? Previously I used in my EAR the next set of tubes ECC83: 1-Amperex (red print), 2-Amperex (red print), 3-Sylvania 7025 (yellow print).When I ...
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[quote user="AlexBerger"]I tried Amperex ECC83 "Bugle Boy". They sounded bad in the EAR RIAA. I like more modern Amperex ECC83, Holland made with orange-red prints.[/quote]Yes, the Amperex "Bugle Boy" are horrible tubes. They have huge publicity amon...
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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, 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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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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Well the idea doesn't actually come from Fremer. He credits Wally Malewicz for it. Not sure how you feel about him.In any case for me it was helpful because I just don't have the patience to play a track over and over trying to find the best se...
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[quote user="Romy the Cat"]
Amy clearly acknowledged the difference but when I asked her to describe to me the difference ... and she begun to explain to me the deference she heard it from a position of a sting player. It was fan to hear from her...
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