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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Not expensiveSmall sizeIrrelevant look and appearance ;)Don't know about the other specs. It would be easy to pull it out of the box and change to a bigger one with more inputs.I had to change the tubes, which were a bit microphonic, and the damn uns...
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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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Roman,> Any IC-base RIAA corrector should cost $30, with no expiations.Now now.... My "Analogue Addicts Phono Stage" is Op-Amp based and requires at current OEM bugetary pricing in 1000pc lots of $12.25 each. Add Tinfoil & Polystyrene Capacito...
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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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I see the point, thanks a lot for your comments. Playing with the phono I've somehow come to a conlusion (possibly wrong) that my ham is an electrostatic air pick-up from the PS. During the operation both PS and signal boxes are very closetogether an...
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The "lack" of HF is definitely one of the wonderful things that makes one think of spending 30K on a phono stage. Glad to hear you are "suffering" a similar "dirth" of HF [noise] with your DIY corrector.I wasn't going to say anything, but I won...
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All the research and theory; all those exotic, expensive little bits and pieces; too bad there's no way to tell if a cartridge will work until you try it. And then there's precious little you can do to fix it if it doesn't.In plotting an end-around,...
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Thanks for the tube gel sockets/absorbers hinting, Roman... Thomas had to use such a vibes taming mandatorily, being both 801 AND 437A tubes rather microphonic prone...Using his clever design... ZUT! Completely silent... also, unfortunately, he had t...
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Yesterday I was more-or-less randomly reading Stereophile, skimming, in case something interesting to me appears, and Mr. Fremer in his Ortofon Verismo cartridge report told that top Ortofon cartridges use "6 nines" copper wire that has been gold pla...
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Mats, believe me, I'd love to get off the frickin' grid altogether. But if I'm looking at >20 car batteries just for the K&K phono stage, then how many angels will fit on the head of a pin? Ironically, the K&K also uses JFETs.....
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First the other customers of PP that are having a hum problem are NOT my customers and use different components than I. Second it is not just the turntable motor but also get the hum from the phono stage when plugged in. Again plugging these componen...
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Sounds "fun", Romy. I think the late (recently deceased) James Bongiorno contributed the lion's share of ideas for the Constellation, although who can ever be sure what actually makes it to market. Maybe Bongiorno's own (much cheaper) Spread Spectr...
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First as stated before, when I 1st received the unit no hum issue it was after it was sent back twice that it came about. 2nd if I use my other conditioner, a Purist Audio Design all is dead quite. The humming out of the speakers stops if you plug th...
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In this cable thread there are some ideas about materials and construction of cables. My most recent attempt for good-sounding shielded phono cables are from Bud Purvine, using his specialty Litz wire construction, Vampire 800C connectors, and unblea...
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Did you just answer your own question? Use the B2, then. Plenty of nice, small tube amps for tweeters, if that's what you want. I could list tube and SS amps, but I hate doing that "in public", not to mention, as you just pointed out, you only need t...
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Hi Romy,I am new to your site. I have read some of your postings (including other sites) with much gusto.For the digital LP recording, I am (was) tempted to do the same, but given the fact that I have absolutely no personal experience in digital audi...
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I lost all hope for horn loaded Lowther speakers . Got Phile Mikey (fremmer) recommended TT and new old MC cartrige (benz Mc3) so analong front sounds comparable to old modded MCintosh CD player I have. I finished (took al ong time ) Hagerman c...
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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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Yes, 10 uF is rather large for a coupler, alright, but not unheard of. Conversely, .47uF would be on the small side for a "powerful" amp using the 6C33C out (4.7 uF might be more like it...). My own phono stage uses 5 uF film couplers. One would supp...
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Just the symptoms caused by the bad electricity, tons of tubes and other parts in various stages of decline, pins/sockets/connections, along with analog and digital source issues is the stuff of madness. I am so happy when everything works...
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Big differences between PS in my giant amps and my DAC, my passive attenuator and my phono stage, TT. PS has to be "good enough" for the application. Maybe "reverse engineered" from the demands end requirements (ie, the mind of the listener). Throw t...
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Hi Romy,I feel very pleased for you. I was always somewhat puzzled by your descriptions of how you felt the S2 sounded, particularly between 600 and 1200 Hz. My experiences with a few different horns but always with a good quality SE amp were invaria...
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The Sussurro has an unusually wide loading range listed by Soundsmith, ranging from 470 ohms to 5k ohms. It is possible that more recent models have a somewhat tighter range between 470 and 2k ohms but I am not positive. The capacitance of Soundsmith...
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Discussed many times on this site is the "dedicated ground" (aka "bleeder"), which generally includes a driven copper ground rod and a wire to it from the TT, arm, SUT, and/or phono stage. The idea is to get the resistance as low as possible, so the...
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3 weeks, eh? Vs. how many years for functional DSET? Next, a great 5 cent cigar!Same questions about decoupling a phono stage from the split, re-setting the output impedance, and doubling the output. Where and exactly how does one split and boost the...
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Hi Guy, I know what you mean; this phono stage really should not work well at all. I mean, voltage doubler, 3 stages of 12ax7, feedback, cathode followers, garbage looking power supply shared tubes for stereo...mortifying isn't it! These ...
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Thanks for the comments Romy. Would appreciate pointing out where the schematic is for the 7788 phono preamp or even better your friend´s 7788 mic preamp schematic. I can use the phono stage circuit minus the RIAA as a starter and th...
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Of course I don't know if this also applies to your other cartridges that are working correctly through the same phono stage, but the VTA/bad electricity "problem" is peculiar to long line contact styluses. And as I also noted recently, po...
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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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N-set, by "traces" I meant the archaic(?) term for circuit. I envy those who can use a scope like Tarot cards.Will you mount initial gain tranny (or, not...) outside the phono stage box? I recommend it. Anyway, obviously, noise is much less of a pro...
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