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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Here is another, simplified assault after some rethink and PSUD simulations.Rectifier: 3x1.2kV SiC per phase should do the job, actually 2 would do, but I'd preferto be safe. Bridge I don't want, as there would be 6 not 3 diodes switching1750V. 1.2kV...
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It is fashionable among audio people to play with this analog, rewiring tonearms for instance. It always astonished me how masochistic this ceremony is and how many people dive into it completely voluntary.
Ok, let me explain you something. In MC an...
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[quote user="Romy the Cat"]1) A preamp shall have right Sound. I would not even comment on it. A preamp shall sound better then any other source a system has.2) A preamp shall have a remote control. I have expressed a well found view that a Remote Co...
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[quote user="Romy the Cat"]1) Be very careful with use Halco resistors. They were very good 15 years back but they turned south very aggressively. I bought a party of Halco in 2005 and I forced myself to trashed them as they were very noisy. You...
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[quote user="Romy the Cat"]
Perrew,I do not know if you use sarcasm in there but Lamm LP2 is not my bellowed phonostage. In fact I am one of the very few people whop do not like it at all. How much in what I do not like in Lamm LP2’s MM section com...
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After learning about the Schwarz’s circuit Dima declared that it will be very simple to build into the unit a good quietly multiplex decoder as the plug in modules as a substitute to the original modules. This will change nothing in the Schwarz but t...
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Me being exuberant about the new ULF capacity does not necessarily mean that ULF contribution is right and proper, let me to explain. There is a musical event that has it sonic representation. This sonic representation better or worst was captured by...
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[quote user="drdna"]The question in my mind Romy is: why? I will be interested to hear your comment on what your goal was to learn about your system in introducing these and what the results are. After the extent to which you have describ...
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Thanks, Paul.
I never saw this company. I did call today to the guy who run it and had longer conversation with him then I intended. Size and shape wise it was exactly what I was looking for. Unfortunately he does not do matching transformer b...
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What I find interesting is that none of the Japanese store that sell cartridges for domestic marker sell the Shelter 90X. Who knows, perhaps the 90X is the big conspiracy between Shelter and US importers who decided to capitalize on the success of Sh...
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Yes, it is a bit ridicules to have 4 boxes – a clearly money-raising project. Probably Lamm need to make it 2 chassis init with box #5 is to store manuals and box #6 to store the tube replacements. Talking about tube – one gain state with 4 paral...
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An interesting devise, They allow to adjust the midle point of the RIAA curve. I never have seen it and I wonder why would it be necessary or desierable?
http://www.gha.com.au/pdf/JPA66flyerPrelfVE.pdf
http://www.toneimports...
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OK, here are some follow up thoughts after the completion of the project. I am sure I will burn it for a month or so. I think everything will be fine, I do not expect any issuers technical or sonic. The way how the entrance to the corrector done it i...
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Jim,
in my corrector (Dima’s design with R2=50R) I made many experiments adjusting the VR1. Dima proposed 150V on 7788 plate purely arbitrary, what he did it he never ever seen 7788 and it was just a concept RIAA for him. After it was built and I p...
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I am not a big fun of Dvorak 9th under Ancerl. I’m not big fun nether the orchestra’s balance nor the recording quality. Anyhow…
I do not think that that you need to worry PH-77’s accuracy of curves or the comfort to switch them. It looks lik...
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Perrew,
I do not know if you use sarcasm in there but Lamm LP2 is not my bellowed phonostage. In fact I am one of the very few people whop do not like it at all. How much in what I do not like in Lamm LP2’s MM section come from the WE417 tubes...
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[quote user="Dominic"]romy-"A horn is not a sensitively boosting machine or the pressure impedance transformer but an equalizer and equalizer only. Consider a horn as a Dolby decoder"But isn't it really all of the above. it's by means of all the othe...
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[quote user="Gregm"]"ASR do not use the regular ICs but the ICs that they removed form the demilitarized Russian nuclear missiles console and fallen Chinese satellites" ...which means that they use cheap, used ICs. So, the dealer has a better m...
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[quote user="rafaroxlm"]As you may know the 7788 is a high transconductance pentode which should in theory be able to give higher audio resolution than say 12AX7, 6072 tubes in tube mic pre designs. On search here the 7788 was mention...
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You know, I frequently tend do not listen operettas on LP. Operas are serious, dramatic, requires attention and dedication. Operettas are much lighter genre, no less wonderful but light and less “loaded”. I love operettas and I frequently liste...
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A few year back a Russian audiologist A. Likhnitsky’s published a book “Sound Quality: New approach to testing of the home audio equipment”. (P&K, 1998) The book has many positive moments and altogether it was a wonderful attempt to bring i...
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[quote user="clarkjohnsen"]Yes, the 1953 Scherchen. For over twenty-five years I have hailed it as the best ever committed to disc. So let them laugh at me, I don't care.But the sonics were not good, and it was never remastered, because alo...
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There is a new company out there that make some electronics. I do not know them, never heard anything that they do and do not know anyone who use their products. They have a phonostage that might be interesting.
http://www.constellationa...
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With the recent changes on my configuration changes and employing the “End of the Live Phonostage”, in duty I re-thinked my analog playback. I got rid to arms and one deck, changed the mapping between the arms and phonostages and ended up with quite ...
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[quote user="Romy the Cat"]OK, here are some follow up thoughts after the completion of the project. I am sure I will burn it for a month or so. I think everything will be fine, I do not expect any issuers technical or sonic. The way how the entrance...
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[quote user="Doug Eisemann"] I have stopped by your site from time to time over the last year to see what interesting things have been going on. I generally do not say much, however I finally decided it was time to register and add a few commen...
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The history of stereophonic sound
1881 - Clement Adler at the Paris Electrical Exhibition put "a series of 80 telephone transmitters across the stage at the Paris Opera and connected them by wires to telephone receivers in a suite of four rooms" in ...
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…and since it is in LL line I presume that it might be right along with LL2 Preamp – not particularly interesting preamp. In other words it is most likely the “positively expected” and “might be interesting” continuation of the L1 and L2 line.
...
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It is not a the thread about Allnic but LCR RIAA correctors, still there was something expressed in here about the Allnic LCR phonocorrector… and I feel bad about it. It is not that I don’t think that Allnic LCR phonocorrector deserve positive m...
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Dear Romy,
I have stopped by your site from time to time over the last year to see what interesting things have been going on. I generally do not say much, however I finally decided it was time to register and add a few comments to this d...
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