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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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One supposes good sound, but... come on, they can't be THAT good (can they?)...http://www.partsconnexion.com/catalog/CapacitorsFilm.html Deulund tabs on the bottom of the pageThey also say Jensen on them, meaning, I ass-u-me, that J...
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hello guys, greetings from Italy !! ..I would have a question being that they are still being optimized.
I have to buy the 6 caps that are on the PCB valves .. those at 400-450v.
On my ear..which I bought on ebay..they were ...
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(feel free to re/move this post to the electricity thread)As the power supply I'd regard everything from the power generator in the power plant down to the actual load.Why the power transformer should be the cutting line? I do hear your voice clearly...
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Not sure where you live, but near large cities one can rent "pro" sound equipment. Once you have your end game figured out in terms of architecture you can just plug in the Board, find and note your X/O configurations and values, then make up and in...
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[quote user="deemon"]Brian , I never tried SSG cap in phonostage . SSG has a good reputation ..... but I'd prefer teflon for coupling . Mica caps , even good ones like SSG , seems too "bright" for me , but teflon sound pretty neut...
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[quote user="N-set"] Sorry Romy, I did not want to sound nitpicking. I'm rather trying to understand if my copy works +/- properly.[/quote] I do not see you nitpicking, you do the right things and I wools do the very same if I was at your place. 1V...
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Romy, does the REL use capacitance or inductance tuning? I was thinking H. Of course all the old caps are shot. That's another case where the True Vintage Believers (TVB) are really too funny, when they insist on "original" par...
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Keeping harassing different people bout the most interesting options for multiplex decoder for my Rohde & Schwarz EU-6201 I was wondering if it makes sense to me to use the Rohde. It is a very good tuner but it is not necessary result in better s...
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Yes, you might be on something in here. Although I used the best possible coupling caps of large values but still from point of view LF it was never “there”, even close. I also played with regulations and PS and sumized that the PS were not the reaso...
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[quote user="jessie.dazzle"] "Short the ML2’s inputs and the hiss should be gone"
I assume it is not a mistake, and that you mean short the unused input on each POWER AMP (as opposed to the PREAMP).
(I am currently using the XLR connections becau...
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Romy and ClarkeA couple of tips here:To be truly effective, you need at least 3 turns of L+N through the ferrite; more if you can.The "Y" network can be placed either side depending upon where the PP3000 to PP3000 interference is coming from.You may ...
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Dragged the Delta inside today and plugged a single DSET into it. Startup went ok but I was a little worried when the second stage caps started filling and Delta momentarily spiked at over 2kW draw. Once the amp was fully started draw settled at 33...
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...in my case the problem seems to be a GND loop *inside* my End of Life phono. Thanks to the continous help of PP Richard, I started to suspect the terrible noise I'm getting actually may be the charging voltage of the PP el caps (indeed it is 100Hz...
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Thanks, floobydust.
There are a lot of interesting points in you post to consider. What speaker you drive with your 2A3? If they are relatively high sensitively (like compression drivers) then did you consider going with a single stage? I think I ha...
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Would the power factor correction here be other than caps? If yes, then what?
Paul S...
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Lost in Space? More like Spaced out.Taking Tramadol and Soma for a cervical problem. I listened to Art of the Portuguese Fado Guitar and everything was 3D.Kidding aside, I did some reading yesterday. Some online articles on the DEQX makes me want ...
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Jorge, do you have any picture of those Aurios? Do they have two caps to hold the ball or one?If two, did you attach the upper one firmly to the component or simply put it on it, using weight?How would you describe the negative sound change?Is Forsel...
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N-set, I am not the one to double check your mathematical solutions, that's for sure. I wonder if in practice the curve values here are effectively tied to variables? I like the Chimera idea, but it has no "locked curves" to contend with, and it us...
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N-set, have another look at the Chimera "bias", and the sophistocated way the diodes effectively buffer the gain stages, also the way the caps are staged over the tiered ground planes. Also check where the Ls are with respect to the signal. Perhaps...
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Hi Romy,I've tried several linestage circuits none of which have been entirely successful.I'm currently slowly building a line stage based on a choke loaded 10Y tube. See VT52.com, DIY, projects, Firefly. This is about as simple as it might get. I wi...
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mixing those two seems to bring out some of the best of both, so far!the capacitor (or two, as the case may be) is an 8uF combo- 2 4uF caps-- one VQ, one hovland musicap. i HAVE 8uF of vitamin q, but unfortunately, one 4uF is a 400VAC, th...
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Romy, do you plan to float the current, too, or do you plan to keep that constant?Is it correct to say that since all the tubes will see different loads, it may be that they will behave/react/sound differently on the nether end of the same source, or...
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Likely, whatever you do with subs will include a big coil, and caps and resistors, too, if to make a steep filter to "match" the Dannoy LF "roll off". The sub(s) might be tailored in terms of correct SPL to blend with the Dannoy at the X/O point, and...
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Scott, my apologize, but issue of low-power does not have any relationship to the problems, you have described. The problems could be located in the following areas:- high output impedance of the last cascade, and amplifier in g...
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It wasn't the caps. The 12 inch drivers were both frozen solid after being stored in a dry basement for 30 years. Looks like the coils somehow fused to the magnets.Ordered a used pair from Japan for $300 with shipping and they arrived after 20 days i...
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[quote user="Romy the Cat"]The real wet dream of mine, something that I would like to have but never went for is to have in the axis of the air caps a high precision step motor and a remote control that would allow me to modify the phono equalization...
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[quote user="Romy the Cat"]That is a good question and I asked myself it numerous times. My current standing is the benefits are purely intellectual as I am not able to observe the applied benefits. [/quote] Recently I got eventually the box (th...
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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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Quotes from Romy in blue: "...Anyhow, I do not know at which stage your project is what I think you are somewhere in a process of integrating the drivers..."I would like to stabilize the system, and listen to the existing horns, while ...
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Hi Skushino,1) In your post above regarding certain(?) of Bruce's products, can you please identify *what* crossover parts you received or heard (in context of given system) which you feel are "low quality" ..?2) Which model & ...
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