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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Romy, Greetings from the land of Melquiades,
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Paul S wrote :"Didn't you just buy that Englishman's Placette Active right out from under me? Use that and hear what happens."Nope it was not me... My only recent acquisitions have been three very very cool industrial-strength tu...
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[quote user="Romy the Cat"]I do not remember that “recommended” APS. I do insist that it is the only devise If does what I want a power devise to do with sound. Is it as recommendation or motivation to buy for others? [/quote]Actually, Romy specific...
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I suppose the key question in this situation is this: if you are going to have a single amplifier is the advantage of any departure from a SET topology ever likely to compensate for its shortcomings? If the answer is by and large no, as it seems to m...
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[quote user="Chirag"] The more and more I listen to reproduced music, the more I realize dynamics and tonal respect are key to start any reasonable installation. [/quote]
Not kidding?! :-)
[quote user="Chirag"] My Tannoy 10" sealed box (not tannoys...
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[quote user="peter foster"] My understanding had been that biasing method is a method of setting up a given tube so it works with the wanted anode current at idle with the wanted anode voltage and these conditions are met by somehow applying a correc...
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As all the parts for the full range Melquiades are making their way to meet me,I'm faced with the need for a 12v-5v service power supply (fan , hour meter, LEDs ).How to approach the issue ?1.buy regulated switched (and cheap) power supply and be don...
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HP means high-passing, right? In Melquiades I do it by changing the coupling cap between the stages. You can do the same in ML2. To unsolder the cap from ML2 is pain in ass but you might juts clip one of the lead and solder another smaller cap next t...
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The question is: why mess around with untried concepts before you try something that already has a track record. If the sound were not good would it be the driver, your output stage, the match of amp to speaker - or something else that you don't unde...
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...but resistor between screen grid and plate, to my hearing, makes sound slightly unnatural, especially in highs.But this may be not true in your case (i didn't try to use this resistor with 6E5P, only with other power tetrodes), so i think i'll sug...
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Frankly speaking I kind of thankfully drifting away from observing what is going on in the industry and particularly in amplifiers. Since 1998-99 I was using explicitly Lamm amplifiers that were heads and shoulder more interesting then anything else ...
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In context of the recent changes in my playback regarding the electricity and the consequential effects:
http://www.GoodSoundClub.com/TreeItem.aspx?PostID=9252
I have revised and reinstated my interest in the DHT experiment. In addition to a...
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Further looking at where I would like to take the new 6-chennal version of the Super Milq I am contemplating a new revision of my bass channel output transformer. Currently I have Jack Elliano’s made 450mA, large, single section LF transformer that b...
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The picture of the “perfect” 6-ch Melquiades and Macondo as they are now…
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[quote user="ArmAlex"]Dear Romy, after a lot of delays I finally found someone technical to build Melquiades. I'm afraid that I may disturb you a lot with questions.Anyhow the first question is:for some of resistors no value for wattage is mentioned ...
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Hi Romy,I am building a modularizable version of the Melquiades (i.e. it is full range, but one can add more channels to it) and therefore wish to have the power supply in a separate enclosure. This raises two questions:1. From what you say, points M...
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Hi Romy,i want to use the 6E6P-DR (triode mode) as driver in my tube 45 amp.I use a D3A (triode mode) with Anode choke at 180V, 12mA. Grid 2 is connected via 50 Ohm resistor to anode. Grid 3 (pin 8) is connected to cathode.The 6E6P-DR (also 6E6P-E) a...
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[quote user="Romy the Cat"]3) There is an army of the 150V 7-pins gas tubes: 0A2, SG1P, STV150/30, StR150/30, 150C1, G150m 150C2, 150C4, CV10664, CV1832, CV2903, CV8161, HD51, M8223, QS1207, GD150/4K, QS1210, SR56. I did not try the larger octal 150V...
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For vibration control coming from multiple powerful indictors I feel there is nothing better then the “wing strategy” that invented for 6-ch Melquiades. Sine I have all transforms and chokes in toroid shape I put them on L-brackets and lifted them up...
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...seems to me finacio-emotional not technical. The Macondo and 9 channel Melquiades are really one device, essentially an active speaker. If a maker did not feel obliged to put the amp and the speaker in different boxes he would obviously optimise t...
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Hello, would it be possible for us to see the diagrams and schematics behind the Zarathustra II in the same spirit as the Melquiades was conceived, noting that the best of ideas are formed with the purest of sentiments?[quote]It is Dima’s and my stro...
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[quote user="Iraschwips"]I don’t have any way of testing but the speaker is supposed to present a relatively flat 10ohm load. [/quote]This is an excellent tool for measuring the impedance load of your loudspeaker. I have one and use it all the time....
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[quote user="Jordi"] If I build them ... I'm going to use different cases. Man, the one's shown are U-G-L-Y. [/quote]
To my view the chassis for the full-range Melquiades is not ugly, in fact I do appreciate the design immensely, functionally a...
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[quote user="drdna"]But how can you make the Melquiades as a DHT amplifier? I do not see it. [/quote]
To make Melquiades as DHT is very simple juts use DHT output tube. However, if DHT idea does make sense then I think the diver shell be DHT as well...
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I assembled SUN 2A3 amp for my friend and found it to be quality kit and very easy assemble. Kit was old .I think late 90's so maybe quality deteriorated since then. I have variety of 300b Czech tubes and (Eml 300b , KR 300BLX 842VHD ) bought t...
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Hi Romy,My friend, is not a amplifier builder, he is working in sony service. He told me that it is no proplem for himto build amp from scheme.BUT, yesterday I look closer to Melquiades (help)threads on this forum (You did a good job)And I decide to ...
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Charles, you would not need a fan for a single channel full-range Melquiades. One 6C33C, and particularly in the way how you mount it, will not overhear this chassis. I very much like how you separated the amp section from PS and from the entir...
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Here are the basics of the 6-Chennal Melquiades DSET Amplifier complete, without secondary features.
http://www.RomyTheCat.com/PDF/6-Chennal_Melquiades_DSET_Amplifier.pdfRgs, Romy the caT...
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Romy,I hate it when I realise I need a different transformer...The following is not an ideal solution because it breaks one of the Melquiades design features, but may be worth trying - cathode bias on the output stage? You could burn up some vol...
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[quote user="Antonio J."] This is to me the most difficult problem to solve. For example, you may decide that your problem is a lack of spaciousness, which may be due to a lack of correct delay, wrong bass response, poor detail retrieval or whatever....
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