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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Romy said:"I am talking about that “slippery sound” when sonic granularity goes all that way down (positive thing) but along with loosing granularity the transport for the ‘events delivering” is also diminishes (negative thing)."Romy, I have for some...
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Hello Romy!Cessaro had severe resonance problems in their room, so I didn´t stay long here. What I noticed in the short time (maybe too short for a qualified judgement) was no stabiltiy broblems but less musical than the 300B last year. Hard to descr...
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Scott, Do not pay any attention to the moron advice given on the Audio Asylum. The issue is not with the quantity of the power you have, it is with the quality of power you have. Genn makes some very good points. Most circuits...
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The past 6 - 8 months I have been living with very efficient speakers (~ 109dB/m/w) driven by low-power SET amps. The amps use 300B output tubes for about 7 wpc. On paper, this should be a match made in heaven. In fact, the combination is capable of ...
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[quote user="N-set"] I do have some serious concerns with respect to my design, the LF stability beeing the most important one (before we even approach talking about the Sound...if any); you may rememebr I was asking you about the stability and relia...
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Vincent Brient is French guy who has built an interesting installation that I think worth to analyze. Years back Vincent was an enthusiast, like normal people, but it looks recently he turned “pro” and came to audio market with his own version of...
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Silbatone made a Demo with those Horns (the big ones)They said, it is one of three existing WE Horns, made 1935/36 (only mod is the addition of the tweeter you can see there). One Horn is made for 3500 Visitors, so we got a 7000 People Demo with them...
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G'Day Rowuk,Thanks so much for the quick replyThe drivers were recommended by the person who made the cabinets. All three are supposed to be quite well regarded.Initially, the project was just going to be 2 x 10" and the Beyma tweeter, which in itsel...
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Thanks for your comments, Roman.You're someway right... Goto foolishness;-))) maybe... also Mingsu wrote he "never" saw such a (Keith's - or mine) way to use S-150 mid-low horn... everyone's - me too, also with some doubt - copycatting each othe...
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Folks,Before we discuss "high distortion" amplifiers, lets us ask what kind of SPL Romy's system produces.I don't know, so let me make some eduacated, conservative guesses.Let us assume his midrange and treble Systems are both 100db/W/m and he listen...
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A typical switching supply does not evenly load the input (sinewave) power source and can create some dirt on the AC line (Paul's "backwash" statement??). Depending on many variables, the amount of contamination the switching supply could contribute...
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I have had similar impressions to other speakers using these drivers. For example I found the top of the line Avalon Eidolon diamond to be similarly colorless and lifeless. Also a pair of Vaic speakers (designed by the guy from Lumenwhite...
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Well, I thought there was a lot of this going on all along, but that we just haven't come up with much that is "universal" in the usual, "what do you recommend?" sense yet? Maybe this is because one person's Cu PIO is another person's...
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My experience has been that tubes that run quiet and quiet down quickly and "properly" when tapped are almost always quiet with respect to self-noise and/or microphonics in use, apart from low level phono use. And most of my tubes tha...
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Hi, I buillt the amp based on your circuit with the exception of the bias scheme. Currently I have CRCRC bias for the ouput valve and Lithium battery grid bias for the driver. I use the amps to drive low efficiency 2 way ported boxes and vintage Tann...
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[quote user="darkmoebius"] That's because "off the shelf" amps can be easily resold for little or no loss of money if they are not to the buyer's liking. The Melquiades, on the other hand, leaves the builder with $3,000 worth of parts not easily reso...
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John
Does it also apply to the new generation of 300B's 300 BXL from AVVT , KR or EML ? These are different designs and supposed to address the issues with 300b signature .What tube (besides 6c33c) is a good starting point for an amp in your opinio...
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Hi!Sorry for not spotting this thread before. I'm the member of this forum and I read it from time to time. I don't know what do you mean with "he is from diyaudio.com site"? I'm member of a few formums and newsgroups but I wouldn't say that I'm from...
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Hello Gera,First thing I would do is get rid of the active Xover, in my experience they mud everything up. preamps are very important and this is like a double preamp with a lot of gain stages. For bass you can maybe use it. I use a separate Xover...
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[quote user="Paul S"]Merlin, won't you at least put your amp in some sort of meaningful context, because it is a waste to continue this thread if you just treat it like a pissing contest.What speakers do you use? What sources, etc?&nb...
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[quote user="Romy the Cat"]Anyhow, the Melquiades does have some “tricks” in the realm of dynamic viscosity. It is what make it quite different in term of Reality Reconstruction as I feel that propagation of sound via air does not have linear “audio ...
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HelloDo you mean 78% nickel? As it's Dave's iron, I'll even *pay* to take it off your hands :-)Re 10Y: Well, it's one of the most linear tubes ever; and this has been backed up in some brief listening experiences to some of its variants. A friend act...
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The weak bass of low-power SET amps is well known. I don't think anyone would disagree.Some reasons:Simple low power, especially with 93db speakers (try with 106db like Yorkville LS1208 horn subwoofer it might be different).SE output transformers hav...
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Thanks, Romy, for your generous reply.
I won't try to address everything about everything, but let me bore
you with a mini-history of what is going on with my playback so you
will understand where I'm coming from and where I'm trying to ...
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[quote user="Paul S"]Well, I thought there was a lot of this going on all along, but that we just haven't come up with much that is "universal" [/quote]Yes, my thought is that there is NOTHING universal, but that these choices must be observed in CON...
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[quote user="drdna"][quote user="Romy the Cat"]David got rid of transformer and replaced it with a DC transformer, claiming that it is “better”.[/quote] And I should point out that not only is there still a transformer in the circuit, but many other ...
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Hi,[quote user="morricab"]Thanks for the info about transformers. It is as I expected, however, that these passive devices are not passive sonically at all. I agree with you that the higher quality of the transformers should lessen the effects ...
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Just a brief note on my recent addition: Placette Active preamp. Due to a recent purchase of Tannoy Golds, I had the opportunity to pull an old McIntosh SS amp out of the closet recently. This amp has gain controls, so I tried running it ...
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Yesterday there was the worst I can remember in my long-lasting with electricity. I mean it was not just bad it was beyond any description. My preamp has 126 steps (near a db per click) and during an average electricity day I listening it at 50-60 sl...
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Adrian, Thanks for a most interesting post. I can't fully respond to this as I don't have the new tube brands you have. I posted earlier regarding my personal findings with the EML 45 solid-plate versus NOS however. Ultimately I found that...
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