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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Merlin, I would take a liberty do not buy it. Are you saying that your SET is not sensitive to load and a different plate load has no change to the harmonics of sound? Do you say that your output transformer does not straggle with inductance vs. capa...
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If I may add, from experience, following and including Romy's post above:1) In cases of established incompatibility with a average power SET, more output energy (55W), will not completely clear the above 2) and esp. make 3) less "muddy" or ...
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I have the Zu Druid's which Romy has referred to. I purchased the speaker's based on the presumption that their high sensitivity and impedance would be perfect to run SET amps. After having read the great success Arthur Salvatore had running the Fra...
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Dear Romy,I have completed testing on my machines and am now satisfied with the results.I have three output sections of the FM tuner able to be switched easily on my amplifier for instant comparison.a) [FM tuner FIXED ANALOG OUTPUT] -> [...
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Hello,
I've never had an SET amplifier in my system. Having high efficiency horns (106 db on average down to 100Hz ) I have tried a number of solid state and tube amplifiers, and I am aware of their sound in my system. ...
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[quote user="Merlin"]My SET doesn't have an output transformer. Just four tubes direct coupled. Bandwidth at full power is 2hz to 35khz.[/quote] Well, your SET might be able to bypass fundamentals from 2hz to 35khz but unfortunately it is all the OTL...
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What I find interesting though, Romy, is that many of the SET measurements show gross distortion even when putting out very low power, which suggests that they are saturated from the high static DC current running through them as they must for a Clas...
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[quote user="hagtech"] I did bandwidth measurements at 1W. …. I should plot both 1W and 6W bandwidth responses. [/quote]
I always feel strangely disturbed when I see people specify SET response from 2Hz to 150kHz. Here is a practice out ...
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I do not really believe in the ultimate ability of SET amplifiers to drive loudspeakers, at least any loudspeakers. I am not talking about the impedance fluctuations or the inappropriately low impedance dives. Those are well know issues. The people w...
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Ironically I picked that set up in Tokyo a few weeks ago where a store had a bunch of used copies for about $25. I don't think they were used as the sets were in perfect condition without outside wrap. I listened to the set a few times but wasn't esp...
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The Lamm ML3 made me to think about this subject. Since my negative expectations about the ML3’s Class A2 operation turned out to be wrong and since we go into expense and efforts (totally unnecessary in my view as DSET make it worthless) and m...
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[quote user="manisandher"]As I alluded to before, I'm at risk of becoming a DSET convert - it's all very well having a nice low-powered amp, but what the hell do you use with it? Are there any decent high-sensitivity FR speakers out there? Or is ...
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[quote user="Romy the Cat"]
manisandher wrote:As I alluded to before, I'm at risk of becoming a DSET convert - it's all very well having a nice low-powered amp, but what the hell do you use with it? Are there any decent high-sensitivity FR speaker...
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I never heard the Vacuumstate. A pair of 300B in the “differential SET” application… Hm, would it sound different then a regular 300B? Juts kidding… The last “SET tandem” that I head was with a pair of 6C33C in “differential SET” pushing 45W. The amp...
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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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It was not so long ago that the Super Milq was a twinkle in Romy's eye,and now it has come to the point he is a strong proponent of DSET (not to be confused with DH-SET). I am always a big believer in the power of topology. I was thinking about...
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That's one big tweeter, Romy, and, typically, it was made that big only because they intended for it to go low. I keep wondering about the effects of the extra mass, if nothing else, but also about dispersion and window blind effects ...
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[quote user="Cosmos"]Indeed it took me a very long time to decide upon regulate or not. I ended up with regulation option to save some chassis space and weight, otherwise I would need at least 10 kilos more and 30% bigger space that would make the wh...
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https://www.facebook.com/photo?fbid=6255410684486911&set=a.134994539861920
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Hi Romy,Not sure exactly what you mean by SET-minded speakers. Please elaborate on that issue. I don't quite see what about your horns would make an OTL perform any worse than a SET. What I proposed to you, the concept of a OTL SET ...
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Music and Arts Programs of America, Inc. www.musicandarts.com info@musicandarts.com Tel 510-525-4583 or Fax 510-524-2111CD-1063(2) IN MEMORIAM HANS HOTTER (1909-2003). A selection of Lieder from the Raucheisen project of the German Radio Sy...
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[quote user="miab"] I'm curious as to why the preference to paper cones as opposed to carbon/poly/kevlar/ceramic/.... With weight and stiffness advantages of other materials, would advancing technology not be well implemented towards drivers? [...
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Looking again at the NAT Audio Magna amp, the amps around the 833A, GU81, 50TH, 1000TH, GM100 and many other SETs that try to use powers transmuting tubes I feel that the entire endeavor of powerful SETs shoot itself in a leg.
If a person has too de...
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Well... tis for all reading/following this thread. As Romy pointed out, having high gain is not the same as power. And as Adrian hinted at... the overall system paradigm is important. If you're only barely cracking the volume control on yo...
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Well, Gera, a good question in context of your playback. How a person who has multichannel 106db playback with SS amplification and active crossover to explore SET domain? It is not so simple and if you do then probably it would require bringing ...
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We all know how low-power SETs sound driving low-sensitively ported speakers. The Morons feel that it they have “enough volume” then their SET is good to go. Of course it is not the case and low-power SETs shell not driver dead speakers.
However, I ...
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I also find SET bass to be the overall best I have heard - at its best, and this has been, as you observe, when the amp is well within its comfort zone. And this seems to remain true even when Z out and speaker load "matching" are har...
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I went today to Srajan’s site check the news and saw the following:
“April 08 - New HalfNote Audio brand: The latest addition to Mr. Barnum's growing stable of import/export products are the $70,000/pr 50-watt parallel 845 Grail SET monos by Chalice...
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Like I said before, I found the silk domes best below the highest frequencies, just like your Vitavox, so it's another case of pick your poison. And I'm not sure about matching dissimilar driver types/efficiencies to mo...
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Merlin here is the Stereophile measurements on the Lamm ML2.1http://stereophile.com/tubepoweramps/1004lamm/index4.htmlAs you can see the rise in distortion vs. frequency shows only a small rise in distortion even down to 10Hz. This is an indica...
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