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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I recently could not pass up a good deal on a EAR 834P MM, so I will have the opportunity to compare it to my current phono stage. It is funny since I had planned to listen to EAR phono stage in my system about 10-15 years ago when I lived in Santa M...
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I run both of my Reference and Daily tonearms into my “End of Life Phonostage”. As I told I do not know any way to commutate signals at phono level signal and I just re-plug the phono cables at the phonostage’s input. I have no problem with that ...
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This post is a continuation of my late desiccation with Chris from:
http://www.GoodSoundClub.com/TreeItem.aspx?PostID=9641
David Slagle have made the OPT for YO186
http://www.intactaudio.com/forum/viewtopic.php?p=3560
Ideally I would like to try ...
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DA, looks like very nice and lucid assembly. How do you like the sound of the thing? The output stage 200mA /187V. It is a bit too small but I will do. I do not know what the gap you have in your OPT. If it is limited to 200mA then stay there, you ...
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I got few inspirations recently that made me to dedicate today for building another DH MF for second amp. It is end of the day and the conversion of the second amp is done, including the PS, marking and drilling the holes, driver stage and the DH...
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My project to add 3 one-stages channels to Super Melquiades look like progressing (it means I will have the new 15,5:1output transformers very soon) and in context of upcoming changes and, after long consideration and some tests, I desire...
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[quote user="Teflon"]If I understand you, your amplifier uses line level frequency selection at the input to each channel, and the output of each channel is optimized for the frequency range of interest -you worry not about the performance of a chann...
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Romy,Thanks for your thoughts.Very interesting your idea to take 110v from half the secondary straight off the pole... I am trying to confirm with the electric company that this might be possible... Otherwise I've got some climbing gear&nbs...
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Domidaw, you wrote: The photo shows the capacitor c10. Its minus is connected to ground, its plus goes to the output transformer,According to the schematic it is the grounded (minus) end of C10 that should connect to one side of the output transforme...
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I did not play my playback since Sunday and turned it last night after 4 days not being off. It was very pity sound. Even I felt that it was getting better after 2 hours I shut down the system as I has other things to do. In the past I have mention...
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Hi Chris.
After much consideration I decided do not make one new toroidal “compromised” transformer that would be able to serve the needs of my solid-state rectification AND damping diodes at the same time. For solid-state I need 3A/220V but f...
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[quote user="Stitch"] I wanted to do that, but they are so rare and I found nobody to visit. [/quote] Well, let me give you my version. I know ML2 quite well and I made a number of people to buy it, not soliciting them but rather demonstrating to t...
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[quote user="Canuck"]Romy Have you ever tried a PUREPOWER device feeding something like the Torus RM20 which has a huge transformer and then out to the components? The Torus stores a lot of energy in those huge transformers. Do you feel this ...
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Romy,
Air core is ok, but. 1. Self inductance in an unmitigated field clumps. You can easily see this by unwinding a hockey puck style air core inductor and measuring the inductance with each turn removed. Never will you have the smooth loss of indu...
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I was searching for an answer why squire wave is so screwed and I was advised by the site’s visitors that it is due to HF restriction of my channel. My HF response does look too low to me – the 23kHz; with all my ultra low capacitance magnetic I ...
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Romy, I have some (strong) opinions on DHTs concerning filament supplies versus specific tube types. For virtually ANY 45 triode, AC is my preferred option. Still, not all 45 triodes will be acceptable for my use, hence weeding thru many of them to ...
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Few weeks ago, I had the chance to visit KOtriode and listen to his system but more specifically his Preamp. The preamp use half of the 6C33C per channel (one 6C33C has two triodes). It has two outputs, one is transformer coupled output, the other is...
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I do not exactly comfortable with oxric’s preoccupation with “parts”. Yes, there are some amps that invest a lot of attention into parts quality – the silver winding in Kondo, oil caps in BAT, of silver foil caps in AN might be the examples. Melquiad...
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Yes, my friends called me that too, but hey, I can't help it, my curiosity on tube amp get the best part of me, plus I can't build enough power amp to power all my 3 tri-amp system. I collect all kind of transformer, just for the 845, I tried about 6...
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This weekend I made an interesting experiment. I had a visitor yesterday. The gay is not what I call overly critical and overly demanding listener but he is not a typical Audio Moron and has from my point of view a proper and sane react...
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Folks,A maker of Magnetics reading along has taken me privatly a little to task, it seems I was not clear enough with some of my statements, apologies.First, I seemingly stated that Amorphous material was "always iron", that was not my intention, amo...
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R,Please excuse me if this is straying from the subject... feel free to move.Anyway, I was in NYC until Wednesday evening, and I assume I know what is motivating you to abandon Macondo/Melquiades in the hot summer months... what I don't understand is...
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Romy I ment put everything in back bedroom electronics and speakers not isolate bass. Then it would sound very close to your old house sound room. I have played with some solidstate and mixed with tubes and i do believe you could add solid state be...
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Hm, I am not sure that pedal is what I would do juts for a full range Milq. The 6-ch Milq is architectural monster and to use a pedal for it is sensible as the PS is separate and in inconvenient to reach location. In a full range everything is “righ...
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Lamm introduces a new product, the LP1 Signature phonostage. Vladimir was planning to do it for a long time as his parley into “reference” series and after his from my point of view failure with LL2 phonostage.
The new LP1 Signature phonostage...
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Interning, I never heard about them. Might I ask you what triodes were used in this thing, how many stages and what “most advanced RIAA available” the unit use? I understand that it is passive EQ but what is so unique about it? Also, if it might act ...
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Vinyl almost died after the launch of CDs, but today the popularity of vinyl playback is on the rise. Music stores are selling more music available on LPs, and many audiogon systems include turntables. So where are the full-function preamps? Before d...
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I haven't tried to build a Melquiades but I understand tube electronics decently, so I'd like to comment on this problem.The main question is why Domidaw's output tube is apparently carrying 3 to 4 times as much plate current as it should be. It is p...
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Paul, Please be careful here because good ol' USA is quite different when using residential pole mounted feeder transformers.What you may have is a neutral wire coming off of the 0 volts tap of the 120-0-120 secondary. This center tap is connected ...
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Dominik. There is one more factor that I forgot to mention. When you will be looking at your choke for your B+ of the output stage then relate it critical current to the amount of the mA that you asked the Tribute guy to guy your transformer. If Trib...
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