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Read the Post in new Window Read the Post in Threaded view  Post #1: “Zarathustra” amplifier: loosing of virginity. by Romy the Cat on 2005-05-24 
Browse the content of the threads in new Window  Thread: “Zarathustra” amplifier: loosing of virginity. in Audio Discussions  7 Replies 
The thread is derivation form the previous thread about the Dima's amplifier.I was trying to gradually approach better and better loudspeakers with the Zarathustra amplifier but today I decided to hit with the Zarathustra the pinnacle of low sen...

Read the Post in new Window Read the Post in Threaded view  Post #1: “Zarathustra” amplifier: loosing of virginity. by Romy the Cat on 2005-05-24 
Browse the content of the threads in new Window  Thread: “Zarathustra” amplifier: loosing of virginity. in Audio Discussions  7 Replies 
The thread is derivation form the previous thread about the Dima's amplifier.I was trying to gradually approach better and better loudspeakers with the Zarathustra amplifier but today I decided to hit with the Zarathustra the pinnacle of low sen...

Read the Post in new Window Read the Post in Threaded view  Post #140: Zarathustra by shannon on 2016-10-25 
Browse the content of the threads in new Window  Thread: A listening room for a domesticated Cat? in Audio Discussions  283 Replies 
Congrats on the new brats. And family.  How things have changed.  Even though Amy has introduced sound problems I appreciate the decoration efforts.  Also the Angels playing strings tapestry is magnificent.  So did you ever get Zarathustra functional...

Read the Post in new Window Read the Post in Threaded view  Post #3: Observation from 2006: Zarathustra II by Romy the Cat on 2007-01-01 
Browse the content of the threads in new Window  Thread: Summary: my/your audio: year by year in Audio Discussions  45 Replies 
Over the course of the enter 2006 Dima and I were involved into the Zarathustra II saga. It took countless phone calls, countless emails, a lot of thinking, numbers of shipments and many hours for Dima and me to propagate the project to it semi-compl...

Read the Post in new Window Read the Post in Threaded view  Post #8: No Zarathustra circuit will be available. by Romy the Cat on 2010-04-08 
Browse the content of the threads in new Window  Thread: Building “Zarathustra II” amplifier in Audio Discussions  8 Replies 
nautilus981, I do not care too much about passive attenuators or about anybody comments on them. I do not use them and I advocate do not use them. I do not have plans to publics Zarathustra circuits. It is Dima’s circuits and I will live it up to him...

Read the Post in new Window Read the Post in Threaded view  Post #7: Building the Zarathustra II by nautilus981 on 2010-04-08 
Browse the content of the threads in new Window  Thread: Building “Zarathustra II” amplifier in Audio Discussions  8 Replies 
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...

Read the Post in new Window Read the Post in Threaded view  Post #10: Also Sprach Zarathustra... by Romy the Cat on 2005-05-24 
Browse the content of the threads in new Window  Thread: “A” sound from “B” system? in Audio Discussions  13 Replies 
Interestingly that I did not know what Zarathustra was. I heard this word somewhere as Richard Strauss’s composition but I never knew what was behind it. I would encourage whoever does not know to families themselves with what “Zarathustra” is all ab...

Read the Post in new Window Read the Post in Threaded view  Post #13: Dima's Zarathustra amp. by Romy the Cat on 2005-08-03 
Browse the content of the threads in new Window  Thread: “A” sound from “B” system? in Audio Discussions  13 Replies 
[quote user="morricab"]Could you explain a little more about the amp?  If I understand you correctly it is a 1 tube stage with solid state (Mosfet or Bipolar??) output.  If it is Mosfet then it is likely to be running without negative feeda...

Read the Post in new Window Read the Post in Threaded view  Post #9: Macondo, Melquiades ... Zarathustra? by behhl on 2006-05-18 
Browse the content of the threads in new Window  Thread: Two-stages, hybrid, small, powerful class “A”? in Audio Discussions  23 Replies 
Hi Romy, but I am simply curious that your Designed-&-Made-Yourself have always had the flavour of the names and places from A Hundred Years of Solitude ... Macondo the village, Melquiades the gypsy ... so why the departue now to Zarathustra? ...

Read the Post in new Window Read the Post in Threaded view  Post #5: Is Zarathustra Back? by Romy the Cat on 2008-04-16 
Browse the content of the threads in new Window  Thread: Building “Zarathustra II” amplifier in Audio Discussions  8 Replies 
I have a conversation yesterday that encouraged me to think again about the Zarathustra II project. This 250W of pure class “A”, 90A capable hybrid is sitting under my bad horns. All parts are there and the amps 90% built… I need to finish it. It was...

Read the Post in new Window Read the Post in Threaded view  Post #1: Building “Zarathustra II” amplifier by Romy the Cat on 2007-03-31 
Browse the content of the threads in new Window  Thread: Building “Zarathustra II” amplifier in Audio Discussions  8 Replies 
A year or so ago I published the evolution of building my full range Melquiades amplifier: http://www.goodsoundclub.com/Forums/ShowPost.aspx?PostID=2502 Now, I am staring a thread where I will cover the progress of building Dima’s “Zarathustra II” ...

Read the Post in new Window Read the Post in Threaded view  Post #9: Zarathustra circuit by Dima by Romy the Cat on 2010-07-07 
Browse the content of the threads in new Window  Thread: Building “Zarathustra II” amplifier in Audio Discussions  8 Replies 
...

Read the Post in new Window Read the Post in Threaded view  Post #10: Also Sprach Zarathustra... by Romy the Cat on 2005-05-24 
Browse the content of the threads in new Window  Thread: “A” sound from “B” system? in Audio Discussions  13 Replies 
Interestingly that I did not know what Zarathustra was. I heard this word somewhere as Richard Strauss’s composition but I never knew what was behind it. I would encourage whoever does not know to families themselves with what “Zarathustra” is all ab...

Read the Post in new Window Read the Post in Threaded view  Post #3: Observation from 2006: Zarathustra II by Romy the Cat on 2007-01-01 
Browse the content of the threads in new Window  Thread: Summary: my/your audio: year by year in Audio Discussions  45 Replies 
Over the course of the enter 2006 Dima and I were involved into the Zarathustra II saga. It took countless phone calls, countless emails, a lot of thinking, numbers of shipments and many hours for Dima and me to propagate the project to it semi-compl...

Read the Post in new Window Read the Post in Threaded view  Post #10: Naming the amplifiers…. by Romy the Cat on 2006-05-18 
Browse the content of the threads in new Window  Thread: Two-stages, hybrid, small, powerful class “A”? in Audio Discussions  23 Replies 
[quote user="behhl"]Hi Romy, but I am simply curious that your Designed-&-Made-Yourself have always had the flavour of the names and places from A Hundred Years of Solitude ... Macondo the village, Melquiades the gypsy ... so why the departue now...

Read the Post in new Window Read the Post in Threaded view  Post #6: Zarathustra’s Bass by Romy the Cat on 2005-05-27 
Browse the content of the threads in new Window  Thread: “Zarathustra” amplifier: loosing of virginity. in Audio Discussions  7 Replies 
It is interesting: I am running now Zarathustra amp with my woofer towers, line-level crossed at 90Hz with fist order. Everything is very fine bass-wise, with very minute touch of dominating smoothness.  To my surprise the typical upper-bass har...

Read the Post in new Window Read the Post in Threaded view  Post #13: Dima's Zarathustra amp. by Romy the Cat on 2005-08-03 
Browse the content of the threads in new Window  Thread: “A” sound from “B” system? in Audio Discussions  13 Replies 
[quote user="morricab"]Could you explain a little more about the amp?  If I understand you correctly it is a 1 tube stage with solid state (Mosfet or Bipolar??) output.  If it is Mosfet then it is likely to be running without negative feeda...

Read the Post in new Window Read the Post in Threaded view  Post #16: Ridley Audio's Ridley Effect™ by Romy the Cat on 2006-05-19 
Browse the content of the threads in new Window  Thread: Two-stages, hybrid, small, powerful class “A”? in Audio Discussions  23 Replies 
[quote user="Bud"]Perhaps this link and the information trumpeted within will help on this project. Certainly the leader of this pack has solid credentials in HF switching power supplies, though this particular link is actually about roasting transis...

Read the Post in new Window Read the Post in Threaded view  Post #10: Good sounding SS amplifier for horns? by Romy the Cat on 2006-08-04 
Browse the content of the threads in new Window  Thread: Cool running AB amplifier.. with good sound. in Audio Discussions  11 Replies 
Chris, I have no experience with good sounding SS amplifier that might drive high sensitive horns. I also have no expertise to build such an amp. From what I trued before I have learned that in order to sound more or less acceptable the SS should run...

Read the Post in new Window Read the Post in Threaded view  Post #1: Building “Zarathustra II” amplifier by Romy the Cat on 2007-03-31 
Browse the content of the threads in new Window  Thread: Building “Zarathustra II” amplifier in Audio Discussions  8 Replies 
A year or so ago I published the evolution of building my full range Melquiades amplifier: http://www.goodsoundclub.com/Forums/ShowPost.aspx?PostID=2502 Now, I am staring a thread where I will cover the progress of building Dima’s “Zarathustra II” ...

Read the Post in new Window Read the Post in Threaded view  Post #8: No Zarathustra circuit will be available. by Romy the Cat on 2010-04-08 
Browse the content of the threads in new Window  Thread: Building “Zarathustra II” amplifier in Audio Discussions  8 Replies 
nautilus981, I do not care too much about passive attenuators or about anybody comments on them. I do not use them and I advocate do not use them. I do not have plans to publics Zarathustra circuits. It is Dima’s circuits and I will live it up to him...

Read the Post in new Window Read the Post in Threaded view  Post #1: The Tenor amplifier and the writing waves. by Romy the Cat on 2008-06-13 
Browse the content of the threads in new Window  Thread: The Tenor amplifier and the writing waves. in Audio Discussions  6 Replies 
I was pointed out today to 6Moons review of Canadian Tenor amp: http://6moons.com/audioreviews/tenor/m350.html written by Mike Malinowski -I do not know who the guy is. I have to admit that I treat anything that come from 6Moons with certain grain ...

Read the Post in new Window Read the Post in Threaded view  Post #1: A quest for a better monitor. by Romy the Cat on 2006-06-08 
Browse the content of the threads in new Window  Thread: A quest for a better monitor. in Audio Discussions  97 Replies 
While Dima is cooking the Super Zarathustra I figure out that I would need some test speaker to be able to observe the preliminary results. I would not be able to drive the multi-channel Macondo with a single full range amplifier, so I need something...

Read the Post in new Window Read the Post in Threaded view  Post #27: Not really possible by shannon on 2016-11-15 
Browse the content of the threads in new Window  Thread: Melq 6e5p driver stage for ss? in Melquiades Amplifier  29 Replies 
thee srp in Zarathustra is cathode bias, melq is grid bias.  If gas biased the srpp it would no longer be the circuit in zarathustra. what would this do to sound i have no idea.  The function of the gas tubes in melq are not only for providing bias. ...

Read the Post in new Window Read the Post in Threaded view  Post #22: Zarathustra’s operarting temperature by Romy the Cat on 2006-05-21 
Browse the content of the threads in new Window  Thread: Two-stages, hybrid, small, powerful class “A”? in Audio Discussions  23 Replies 
Nope I’m not familiar with Octave Research OR1. I heard about Andy Rapapport but I never heard or have seen his amps. My thinking about all of this has littler rational and even less experience. I would never think about SS but the phenomenal success...

Read the Post in new Window Read the Post in Threaded view  Post #9: Zarathustra circuit by Dima by Romy the Cat on 2010-07-07 
Browse the content of the threads in new Window  Thread: Building “Zarathustra II” amplifier in Audio Discussions  8 Replies 
...

Read the Post in new Window Read the Post in Threaded view  Post #4: The vintage tubes paranoia and a custom bass transformer by Romy the Cat on 2008-01-11 
Browse the content of the threads in new Window  Thread: My (Amplification + Acoustic System): what is next? in Audio Discussions  41 Replies 
[quote user="Paul S"] I have been surprised that you have not already pursued the Zarathustra for your multi-driver, sealed LF.  From your early descriptions of both, this seemed like a natural pairing and the most likely way to go, to keep the ...

Read the Post in new Window Read the Post in Threaded view  Post #7: Building the Zarathustra II by nautilus981 on 2010-04-08 
Browse the content of the threads in new Window  Thread: Building “Zarathustra II” amplifier in Audio Discussions  8 Replies 
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...

Read the Post in new Window Read the Post in Threaded view  Post #26: 6e5p SRPP bias by lampes on 2016-11-04 
Browse the content of the threads in new Window  Thread: Melq 6e5p driver stage for ss? in Melquiades Amplifier  29 Replies 
Hi to everyoneyears of reading but never subscribe and post to forumI see that Zarathustra circuit and i m very interested on the first SRPP stageCan someone point out how to implement Melq Gas Bias on that SRPP circuit?I would like to implement a li...

Read the Post in new Window Read the Post in Threaded view  Post #99: No-amplification time by Romy the Cat on 2011-04-05 
Browse the content of the threads in new Window  Thread: Macondo’s lowest channel. in Horn-Loaded Speakers  150 Replies 
I do not want go for emergency ULF amps and to pay more than $50 for it, in fact all plate amps shall cost $50. I will probably end up getting another B2 amp, identical to the one that blew up with the identical changes. I just felt that this no-ampl...
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