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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="jessie.dazzle"]A possibly dumb question here: When you and Paul give figures in milliamperes, where are you measuring the current (at what points), or are you extrapolating the figure? [/quote] The 6C33C current is measured in mA. The wa...
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As I've mentioned elsewhere before, over the years I've gotten about 25% clinkers, among all tubes, from all sources, including "specially selected, graded and matched" tubes. Also, I have lived with the 6C33C enough to say it "drifts" in use, and i...
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Reading you guys I can hardly imagine how you can use this amp at all going trough the hassle with the tubes and bias.This amp needs to be monitored and pampered constantly and getting tha thing to work seems to be ceremony on it's own . How do...
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[quote user="Cosmos"] Anyway, as the description on our site on second paragraph says, the third 6C33 located at the back, is used as the pass element of the regulator (controlled by solid state circuitry) providing 220V with 100uV of random noise &a...
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I have noticed the same kind of control and "density" of sound from KR audio amps, which are zero feedback. Have you tried this brand of amp? The one thing that I can tell conclusively about the two different amps is that neither one suff...
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I have to say, I never gave it much thought, since, as you say, The Book says 5751s are an OK sub for 12AX7. I did realize that the gain was lower, but I obviously had a brain cramp in not interpolating the lower gain to "redistributed" global ...
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It seems pretty clear that what we do not have here is the proverbial "all-out assult on the state of the art"? For one thing, this requires a dedicated system approach, and when was the last time you saw anyone do this?&nbs...
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Thank you JD for all the information. It was most helpfull. I will get the amps in the original crates, the instructions manual anf a few sets replacement tubes. Do you know the physical size of the fuses?. Seems like I have to buy some. I have alrea...
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It might be not directly related to the subject of this thread but I do feel that it has quite a good relatively. Are you laughing that your Lamm made his new amplifier with a price tag of $126K? Well, think again. Do you remember as the ...
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The strangest (and most disappointing) thing I noticed is that this "review" is so threadbare that it pretty much boils down to a "testimonial". Could he have taken an easier path? Surely, along with calling the 2.2 "a worthy successor to the 2.0 a...
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I bet Taiwanese got tired of getting paid cents on dollar (and usually late) for product they developed and manufactured. The real guilty character in this all affair is Romy the Cat and his rumblings . Without it Pure Power would be selling as it wa...
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Deja vu: I seem to remember getting about this far on the subject any number of times. Not only do I have fairly limited applications, but I also noticed that many of the testers do not even allow the kind of testing I would want to ...
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Not to hijack the Dannoy (Dunnoy) thread...Yes, the It question is a Big One. I am now thinking of a sort of sonic Gestalt that I have experienced on several occasions, and that I currently ascribe to/associate with (perhaps mistakenly) specific equi...
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Paul, harmonic balance and frequency response are different things. We presume that if s playback has right (acoustic-like) harmonic balance them, only then, we can talk a bout sane frequency response. Do an experiment. Take your ML2 and load your sp...
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KOT, with the ML2s I found very little difference in the sound of various 6C33Cs, but the old Svetlanas certainly "held to spec" better (and longer..). I find the 6C33C to be more "direct" sounding than 845 or 211, but this in the context of a 3-sta...
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I have to admit that the live Zander’s Bruckner Fifth from the end of 2007 made me to re-think how I would like Macondo to sound. It is not that I recognized new Macondo’s “Hi-Fi problems”, whatever it has I am very comfortable with it, but I rather ...
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[quote user="cv"] Honestly, we're gonna have to start calling you Romy "magnetar" Bessnow if you keep changing your mind like this... [/quote]
I understand you sarcasm but it is what it is. I did not change my mind but the conditions of the game wer...
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[quote user="Paul S"]Lamm did choose to use some of the driving ideas from his proven SET amp…[/quote]Yes and no. ML3 design wise, as I understand is, in fact is not as interesting amp and it might be otherwise. Vladimir went for the target marke...
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Tommy,
I would not characterize myself as “die hard” anyone and if I would then my selections in audio would hardly relate to my alleged “die hard” inclinations.
Lamm’s stuff is perfectly fine – as good as it could be, within the scope of Lamm’s o...
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A few days back I posted the following post:
http://www.goodsoundclub.com/GetPost.aspx?PostID=8922
…proposing the parties of interest to play along in Milq vs. DHT competition. This interst derives from the following thread:
http://www.goodsoundcl...
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Something that has long puzzled me is that circuit designers seem ever determined to wring the last ounce of gain from every tube in a given circuit, or they will "starve" them, and the circuit in turn is designed as if it were simply a mathematical ...
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[quote user="Paul S"]I will eventually get another pair of ML2s to slave the bass/save the upper registers, because, as we all know by now, dedication rules. [/quote]
It wouldn’t be a DSET but rather just a simple bi-amplification. Bi-amplific...
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JJ, I not only loved the bass from the ML2 (SETs) but I loved the bass from the little Wright WPA 3.5 SETs! In fact, I loved everything about those amps, as long as they were "comfortable". Too bad that wasn't FR, etc. with my speakers...in my own ...
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[quote user="jessie.dazzle"]Yes, in a way you are correct; the wire is white but over time became sort of brown toward the socket; this is either from the metal contacts of the socket having oxidized in close proximity to the insulation, or simply fr...
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skushino wrote:"...I was operating my amp around 275mA for the same reason as you, to have a margin before V2 runs off the cliff..."About that cliff... As a result of not fully backing off the plate current trim pots (thinking a few turns would suffi...
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After swapping all the tubes between the left and right amps, the cycling bias current issue (mentioned here in a previous post) seems to have settled.I now have another question, which I hope other ML2 users might answer; first the context: These am...
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I think the key to understanding this case is that it is beginning to look like the tubes that came with the amp all were over the hill, electrically. Since I have no way to test them other than by ear, that is what I have done. So f...
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[quote user="Paul S"]Well, I thought I'd heard some nice hi-fi at times in the past, but this is something else, altogether! As the new 6AK5s burn in the amps have become truly uncanny music makers. The "highs" are now such that it has be...
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Thanks for the extra information, Merlin, it tells much. Please re-read the post you took umbrage with and you will see that I said I took a guess about the circuit (once you confirmed the amp's identiy), and I did not say that I guessed t...
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Well, FWIW, my Audax LF units started life at ~100 dB and wound up closer to 96 dB to get ~40 Hz from them via ~ 4.75 cu. ft. BR boxes. Computer tuning was very close, only a strip of rubber weatherstripping in the vent opening between be...
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