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That posting bug has been addressed.
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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"]What however is very practicable is some kind of sealed TT mat of 2-3 cm tall, fully filed with mercury. It would be 10kG of inertial mass – it might work… The question is how?[/quote]Ah, this is a GOOD idea! Wood would be ...
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[quote user="Antonio J."]Which one? Where can I find it? how much is it? What's it made of?
I've tried a few mats and I always found in all of them some added "colorature". I've not tried any of the "audiophile approved" ones since I didn't expect a...
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My first post here, although I have read some of
the discussions on this site over the years.
I wanted to share my experience with my Micro Seiki RX-5000 and resonance
control of its heavy platter. I have seen posts here befo...
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Which one? Where can I find it? how much is it? What's it made of?I've tried a few mats and I always found in all of them some added "colorature". I've not tried any of the "audiophile approved" ones since I didn't expect any of them to work, and the...
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[quote user="Antonio J."]Dear Romy, thanks for your comment. I actually don't want the mat to do "something" for me sonically, but to teach me how far I'm I of my ideal. Knowing your goals and taking for granted that the 8000's platter must be rather...
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It is entirely possible to buy a good flat CU-180. I have two from eBay there were correctly advertised as being flat. I have also seen them on eBay as being "slightly bent". Those you avoid.But I agree that a replica is a real possibility. I never s...
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Dear Romy, thanks for your comment. I actually don't want the mat to do "something" for me sonically, but to teach me how far I'm I of my ideal. Knowing your goals and taking for granted that the 8000's platter must be rather dead sonically, I assume...
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To Antonio,
it is not necessary to “to find some mat with those characteristics of yours”. The characteristics of mat would be applicable only I context of the TT you use (platter, suspension and so on). With my Micro 8000 that has very dead soundi...
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My first post here, although I have read some of
the discussions on this site over the years.
I wanted to share my experience with my Micro Seiki RX-5000 and resonance
control of its heavy platter. I have seen posts here befo...
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[quote user="Romy the Cat"]
I do not think that anyone would be able to “teach” and I do not thin that there is nothing to teach about the mats. A good “sounding” platter does not require any “actions” from mat and the hard rubber mats do exactly...
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I have a micro with vacuum hold down and was in the process of looking for a mat or making one, either out of leather or cutting down a herbie grunge buster. What is the thickness of your mat and what is it made of?
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Antonio,Which variety of rotating gong do you need a mat for?What turntable is it?Guy...
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Guy, my TT is a Nottingham Analogue Hyperspace, which replaced a Project RPM-9. With the later I learned about the sonic signature of acrylic platters and tried to get rid of it with some mats, but then I got the own mat's signature, which ...
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Thank you very much Romy for sharing these beautiful thoughts! Resonates pretty much with my own experience. I've observed already quite some time ago that the bigger the tension, effort, in a sense of hard working through, and even anger while b...
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I have to agree with Wellington. To be fair we both use stainless steel platters (heavier than stock) and use CU-180 mats to damp the platter which ensures an almost dead platter, way better than any acrylic, hard rubber and felt mat I have tried. St...
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Hi. First time posting. I had long admired an older friend's RX-5000. He left it to me when he passed last year (RIP, Bill) and I recently got possession and did a lot of cleanup on a table that had been sitting for a couple of decades. He has ow...
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It appears that in most cases like the DaVinci, the gigantic platter is used only as rotational mass. And in most other cases where the manufacturer does speak of the platter as an impedance sink, either the platter material seems ill...
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Romy wrote : "...The horns that you made are elegant and graceful but painted in glossy black with that very rough structure I feel they are less attractive. The texture surface is good but I think that the sophistication of the epoxy-sand mix i...
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[quote
user="Wellington"]Perhaps the best test is to
play well-recorded piano which runs up and down the scales. Notes exciting
resonances may sound slightly louder, with more smearing and sustain. When
resonances are vanquished, the music flows ...
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Thanks for sharing the schematics and everything else on this site.The aluminium foil shielding is accidental. It's 2.5mm sticky elastic butyl pads with aluminium backing used for car damping. I used it to damp the case and they were very effective.h...
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Many thanks, I don't really what version my platter is. Could you tell me from this pic?I removed the Thorens mat so it now looks so disgusting....
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While my background is in engineering, I am not a metallurgist either. But I do know that 316L is considered an non-magnetic material (see https://greenwoodmagnetics.com/resource/what-is-the-difference-between-304-and-316-stainless-steel/). But even ...
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Hi Wojtek,
I've only seen/heard an SP25 once and I wasn't able to judge how good it was as the rest of the equipment was unfamiliar to me. There is some information about the various Technics DD turntables here.http://de.geocities.com/bc1a69...
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Not a MS owner, but have been wondering why buying this 30+ yrs old mat at all with all the risks you describe? Virtually any modern metal shop will be able to machine it and check the flatness down to microns. The price I guess would also be much lo...
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Hi John,
I was involved with the Voyd originally. I have no connection with AN UK now except that I use one of their UK made Io cartridges.
With regard to the SP10 Mk2 I like it very much. It removes any sense that a record is playing. I use a ...
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[quote user="Antonio J."]Which one? Where can I find it? how much is it? What's it made of?
I've tried a few mats and I always found in all of them some added "colorature". I've not tried any of the "audiophile approved" ones since I didn't expect a...
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newbie here but this interests me as i have the baby raven one. the platter of the ac is hollowed out and filled with a gel and then topped with the copper "mat". why is this important? because vibrations exists is 2 forms, s-w...
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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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[quote user="hagtech"] I'm not convinced a constant side load on bearing is good. It causes assymetrical wear. Just seems to me a center balanced bearing with no lateral loads would be better. Merely an intuitive hunch. [/quote]
Ye...
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I know Micro Seiki made some turntables with vacuum hold-down. Some branded Luxman were produced by MS too. Then there is Basis and the new TechDas. I have a Versa Dynamics 1.2 and when John ran out of mats I worked with him to find a new supplier...
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