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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I am all set with my reference arm but my dally arm with SME 3009/Otophone SPU Classic severely underperforms in my view. The arm use Otophone SPU Classic that is all together is OK balanced cartridge. Nothing overly exciting but more or less neu...
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[quote user="Jorge"]Shouldnt your SUT be placed inside the Phono stage directly? that is a real advantage. [/quote]Jorge yes, the SUT/SUT's are definitely in da house of the phono--ther are some pics up the thread.I'm not convinced foil is a good ge...
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I have been adding and reconfiguring gear recently and I will be needing a 6' digital cable very soon, when I add batteriy power, so I just went ahead and bought one of the "Synopsis" remainders Romy mentioned.This $5 discontinued Belkin blue ca...
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If a car engine does not stat then among zillion reasons why it does not start there are only two main reasons - there is nothing to burn or there is nothing to light up. The very same I think is about my Second Tonearm. Since all cartridges on this ...
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First of all, thanks for additional detail. As mentioned I can speak only for my Fidelity Research XF-1 (30dB). Loading it on secondary as you mentioned, it ALSO damps the trannie - result in my case: less resolution. Primary loading is MUCH more sen...
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Since my “End of Life" Phonostage have materialized I got exposed to a temptation of finding a “right” cable between my tonearm to the phonostage. The most critical cable between the step-up transformer and phonostage does not exist in my system anym...
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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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Jarek,I would start at the beginning. Turn off and unplug the TT motor, remove the phono cable from the phonostage and use shorting plugs to short the inputs. This takes the TT/cart/arm/cable is out of the equation. Do you still have the humm? If...
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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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1) GND NOISE
After more experiments, I can proclaim a victory over the 100Hz noise on my End of life phono. For whatever reason the GND connection does not want to run in a close physical proximity of the line and n...
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Yep, I fixed it. If does sound very good now, exactly how it has to be. It turns out that my suspicion were correct: my Micro’s fat cable has died on me. I absolutely assure you that no one would believe that a regular phono cable able to introd...
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Here is a snippet from an email from Jonathan Carr (Lyra cartridge designer) about objectives and considerations regarding cartridge loading. Most of this is old news, I only re-post it here as a convenient synopsis on this most misunderstood t...
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Over 10 year later, I finally "finished" and installed a shielded version of the above cable for the short run between my phono SUT and my phono stage, replacing the nondescript Placette cables I've been using there all this time. As anyone experien...
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Who knows why, but I can get away with running tiny, unshielded 6N POCC Cu arm wires straight into my step-up transformer. OTOH, I absolutely have to use shielded cable for the run between my step-up tranny and the K&K. For well-shielded phono ...
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Something fun to think about is that the length of this sort of cable can change the sound, due to internal "reflections", this sort of thing. I've read a lot about it, as it affects the "communications industry", and laboratories, and it gives me he...
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N-set, I've never tried to make a "silver path". I have thought about Ag arm wire but I have not tried it. My cartridge coil and tonearm both use "high-purity" Cu wire, and the Cu arm wire feeds directly to the Ag wound SUT, which I use not because...
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[quote user="Paul S"] God, this sounds like the very worst sort of DIY threads! FYI, I HATE DIY![/quote]It sounds but it does not necessarily mean that it is :) Let me try to deffend a bit my last postings:DIY is a self propelled random walk "let's ...
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[quote user="Paul S"]Is there such a thing as partly unshielded arm wire? If you want that run shielded, don't you have to start at the cartridge connection? [/quote]Paul, the tonearm wire runs inside the metal armwands (EMT & SME), which in tur...
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[quote user="Romy the Cat"] I guess the reason why the arm lost it’s bass is ether the problem with arms or the problems with arm cable. [/quote]The phono stage has been ruled out?...
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Since the 2007-2008 alchemic music season and consequentially live FM season was over (the event I marked with my “End of the live Phonostage”) I have been spinning a lot of vinyl lately. So, I spent some time with different phono cables with my diff...
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Looks like I've found a solution but I don't understand it:
1) Lifting the phono ground from the PP with a cheater plug and connecting the phono case to the SAME PP ground with a separate cable not only does not bri...
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***The proper loading value is difficult to say without knowing your system, as it is partly a preamp and ultrasonic RF issue as well as one that involves the cartridge and audible frequencies. Some cartridges have frequency abberations within ...
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Almost all such hum finds its way into your audio signal path through a ground loop, although it is technically possible for AC 50/60 cycle hum to enter from adjacent unshielded power cables. Make sure the AC cable to the phono is well shielded and i...
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Tim, the cable loading is not what I meant. Purist does like higher current across the cable but which cable does not love it? Dave Clark described very well some of the aspect of usability of POD cables (like disturbance). Some of them he left out. ...
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Bud, you may have read some of my babblings about stacking ground planes and stray current attaching/backing up all over the place; it's a personal fetish. Not to mention the fact that getting the ground "stacked" correctly is almost impos...
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can this be anything else but futile?1) If analogue the first thing be the cart, if digital the payer?2) If analogue the phono cable being the MOST important one in the whole system, and could yield some noticeable improvement.3) Has the system got a...
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Yes, I understand Bud that anything might be done but I do not want any DIY solution. To deal with all of the shielding, with grounds… I do not want to be involved into all of it. Also, the transformer shall sit at the RCA exit jacks of phono cable. ...
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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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Hi Paul,WTF is probably the right question. The time has been the problem - in the past 2,5yrs Ive set up my own audio company and only recently came back to working on the front end of my system.I changed the concept and bought the FR64S arm togethe...
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Ideally, you'd want to drive 35 feet of balanced interconnect with the low impedance source ( say below 150 ohms or so). How low depends upon interconnect capacitance. You can try Jensen output transformer to convert SE to Balanced at the phono-stage...
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