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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I know the proprietor despises cheap DIY and I do, too. DIY should be a response to not being satisfied with what the market offers - not a cheap way to have something to listen to.All the while his system stands as a pinnacle of what one man can do...
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Sorry, I have a better understanding of the purpose of this exercise now.Are you making 2 new platters or is one to be the existing Micro Platter?Given that your RX 8000 appears to have a platter made of phosphor bronze (gunmetal) what is your s...
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Hello Romy,Just thought I'd post my latest re-visit to this cartridge.I've played with this overthe last 2 years on and off between Helikon/VDH MC10. It was ok but did not make a big deal,so I carried on with the Lyra which was finebut not what ...
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It's a MM/MC phono stage which at maximum gain provides 74dB. The price 329 GBP, higher if ordered with dedicated PSU, but that price includes "wallwart" AC transformer. You can take a look here: http://www.trichordresearch.com/dino.html They do...
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may be to hear them in this case. While there is actually some Tone, the whole does not seem to equal (let alone exceed) the sum of the parts. Or, perhaps it does! I would like to hear something more rigorous and complex than "the usual" music the...
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By "unlikely" I mean that although I understand the "injection" concept I can hardly imagine successfully adding another front-firing driver into that complex mix. I would hardly know where to start. Basically, I am in awe.No doubt t...
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Romy Hi, Ralph installs every pair of speakers ,I know that it can take a week or more to install and optimise the larger systems. There are plans for amplifcation , he is working closely with Mr Park of Allnic Audio. Mr Park has some...
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We cannot view theoretical advantages of individual parts as the path to a better solution. The EAR phono corrector worked so well because the total concept was holistic. Thorstens modifications did not use the "premiere" parts to get the total solut...
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Try as I might, I can't get my sme3012/shelter 901 combo to do tubas . My ortofon309/vintage mono cartridge does it magnificently the tuba down low makes me goosevumps all over just likenthe cello. I think my stepup for shelter is incorrect choice, t...
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Paul, thanks again for a nice input--sounds for me indeed seductive (well, I'm anyway +/- "self-convinced" to give a silver/amo a try).Do you use silver wire also in the tonearm? What I have in mind is a 2nd, all silver path for the 834, which would ...
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Thank you for illustrating problems with the "approach". Now that your response has become part of the dialog, I remain hopeful to get some ideas for a "simple" phono stage that might not choke up on Bruckner or Wagner with battery power, and I do t...
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Hmmmm. Nset I will tell you something that will disturb you but it is what it is. If you did not use transformers and your phono was noisy and shielding did help it to be not noisy then you do not a proper grounding in your phonstage. The non- shield...
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Ah, the current source!! Serge, you must be right. Ironically I did hear about this method of extracting cartridge signal by Dynavector when I used tier 507 arms but I forgot about it. If am not mistaken the Dynavector is not a phonostage by just vol...
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Is the "ground plane" in this case literally a sheet of copper that you run all the grounds to? If so, this may be overkill on the one hand and an antenna/noise magnet/generator on the other hand, and/or it may well make for ground loops. It is u...
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N-set, it is difficult to say anything without seeing the circuit. I think that you did not exactly my version but made some modifications; I do not know/remember what they were. The major think that I see at your picture is that your main grounding...
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[quote user="Romy the Cat"]
I never had a lot of trouble with high transconductance tubes. I use the EC8020 a lot. Stefano, you might look into this EC8020. I never seen it but just looked into the datasheet and it looks very interesting tube and i...
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Paul, I do not think that “before or after RIAA losses” requirement has any merit as no matter what kind type RIAA filter is being used it always will lose around 20dB. I do not think also that there is a “safest path” or “reasonably affordable”....
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I suppose you have done the math on the input swamping, and/or you have run a simulation, and I suppose you know your amps sound OK with 6 dB more input. So, ask Guy if he will send it "on approval". I suppose it will be SS, discreet amps, or maybe...
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Rowuk, I like what you say, although who among us would not? Nevertheless the righteous immediacy of short-term auditions needn’t be dismissed.I can not however join you in your disparagement of what you’re pleased to call “voodoo” treatments. Just b...
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[quote
user="rowuk"] A preamplifier shall be modular - the ability to insert
n quantity (maybe 20?) of input cards on a backplane (for phono MC/phono
MM/line level/Balanced/Single ended/TOSLink) as well as be configured for
multiple outputs. Why ...
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Perhaps if you build another phono corrector you could play your TT through that, then through the inverse RIAA then through the EoL corrector then the linestage & power amps etc.
Will you be listening to all of your line level sources via ...
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OK, you need to find out if the problem is in phonostage on in TT as the problem was “spanning several turntables and arms”. You might run your phonostage from anti-RIAA filter from your CD player:
http://www.hagtech.com/iriaa.html
or use one of ma...
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OK, I just read most of the cartridge roll out. It turns out that the "reviewer" basically told the Big Dealer what he wanted from the cartridge maker. I guess the reviewer likes small winding, low output MCs ahead of time, so the manufacturer was ...
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hi rony!sorry for the late reply, my job....i did not start to build the horn, working on a phono stage for a friend. will start to build the 60hz horn in about 2 months. all calculations are done, should be no problem. will be made of layers of plyw...
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The electricity was great today, the ribbons are dialed in at 2 uF and .2 mH, and I finally figured out and eliminated a phono hum that has plagued me since I moved into this house.Naturally, I was a total vinyl slut all day....
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[quote user="Romy the Cat"] Well, you need to get rid of transformers and to make your phonocorrector to have no noise of any kind with any transformers. From MM level you need to have no more then 1-3mV AC at output and absolute not noise. After you...
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[quote user="Paul S"]I envy those who can use a scope like Tarot cards.[/quote]I for sure cannot, hoping you can. That's why I spammed the thread with the above noise "traces"[quote user="Paul S"]Will you mount initial gain tranny (or, not...) outsi...
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Yes, it is anybody's guess how an active SS-only phono stage would sound with a low output MC, since this is usually a recipe for death (of Music). My own cartridge, for example, only puts out .125mV. I'm not so sure even the 2008 would work for my...
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N-set, the usual way of dialing in RIAA is the anti-RIAA curve, trying for null. This might be from any source with appropriate output voltage/impedance fed to the corrector input. The obvious problem with the LP is that it depends on the arm and c...
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[quote user="Paul S"]Meanwhile: If you are going to use a SUT, this actually is a Big Deal that will profoundly affect the Sound you get from your system, regardless of which connectors or solder you use. I recommend you integrate the SUT (with its ...
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