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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Still partially wrapt in mystery, but here is potentially the first SS DSET:http://www.firstwatt.com/sit1.htmlI say potentially for that is not naturally Pass's direction, but each monobloc is designed to be tunable to its specific speaker....
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Stitch, even though you are not wrong what you say but I do
not think it has a direct relation to what I call the "worse". My angle
was different: the demise of SET concept if the amp increases some rational cost
level. The cost of LAMM electronic...
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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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[quote user="decoud"] Romy, can you be persuaded to post a sketch of what you think the optimal 2 channel Melquiades circuit would look like? [/quote]
Decoud, I do not think that there is such a thing as optimal DSET. The entire concept of DSET is a...
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The 1933 articale in Radio-Craft by W.H. Hollister about DSET systemhttp://www.goodsoundclub.com/pdf/BiAmpArticle_1933.pdfThe Cat...
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KOTriode, this is not the subject of this thread but I would like to point your attention to one aspect. From one side it looks like you with some kind of special pride talk about your Tango output transformers. From another side you are stupid enoug...
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[quote user="Romy the Cat"]Make the full-range and then you will see where you are.
Still, I feel that for MF channels it is beneficial for do with a good DHT output
stage instead of 6C33C and perhaps it is a good idea to use DHT driver as well.
S...
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So I am currently working towards this concept for my Macondo (see below) and I have just the Upperbass horns left to turn and prep. I am thinking about how to best integrate the DSET with Macondo and have come up with something like this… Perha...
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I am making steady progress putting together my DSET amplifiers. Life and work gets in the way but I am chipping away at it, taking my time, not rushing, enjoying it. Wow, it is a lot of work and an enormous task for my first complete amplifier bui...
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Hi Romy,Just thinking out loud here, but I have been listening to my mono DSET/Macondo for quite a while now and recently changed back to my old acoustic system so that I could poke around in the DSET innards for a little while. The old system (in s...
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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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[quote user="el`Ol"]Why not more semi-active speakers with high-sensitivity mid/treble and transistor-powered bass? [/quote]… and it is very important do not overlook this difference. Multiamping is fine but is it severely suffer in case of different...
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Romy,
Sorry for taking so long to get back to you… (this being the summer time in a Latin country, I still have no internet connection at the new place).
Quote from Romy “If your lower bass channels run from 40Hz and down then the PS, size of the c...
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Ok, you have definitely earned a Cohiba break!
While reading of your progress on the 6 channel amp, I was thinking ahead, and how I might approach the building of such amps as separate projects for each frequency band (separated physically as well...
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[quote user="N-set"]… I think that there is something more interesting going on here: what you have hereis rather a rare instance of an intelligent bypassing… [/quote]
Yes, it is highly intelligent and looks like it is highly effective sonically. It...
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I made experiments running HF filaments from dedicated Hammond 6.3V transformer vs. lifting ground on my 6.3V IDH filaments. I did not listen Sound but rather measure the noise – the result was identical. In the best cases I was able to get 0.63m...
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Ok, here is what I end up with. This version is something that I am planning to give some listening, the fist listening as I this filtered down the intellectuals reasons do not listen it. The amp is fully operational, bit made as a test amp inside th...
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[quote user="Romy the Cat"] Spending some time listening carefully my new setup after fine-calibration I recognize some inaccuracies in my previous comments and some mistakes of my original objectives. Here are some observations I would like to m...
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With all hugely exuberant welcoming and DSET and multi-way acoustic system approach I have to admit that it is a enormous pain in ass to maintain the system.
Two weeks ago I begin detect that my left channel somewhere in upper MF began to throw some...
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Firstly, thank you to Montepilot, Paul S, KLegind, zanon and Romy for all your thoughts on the Zu Druids. I recently tried high-passing the Druids at various frequencies and using a pair of Wilson-Benesch Chimeras and various amps for LF and uppe...
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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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The “Enjoy His Music” published the old celebrated by many DIYers Herb Reichert’s article about his 300B amp ideas.
http://www.enjoythemusic.com/diy/0709/flesh_blood.htm
I read it before but reading it now, after a few years again...
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Hi Romy,Just thinking out loud here, but I have been listening to my mono DSET/Macondo for quite a while now and recently changed back to my old acoustic system so that I could poke around in the DSET innards for a little while. The old system (in s...
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[quote user="drdna"] You are correct, though I believe the subwoofer covers only below 40 hz. [/quote] So??? [quote user="drdna"] This is coming from the same person who has built a 6-channel DSET? Anyway, it was more a thought about optimizing the o...
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[quote user="Teflon"]I'm interested in bi-amping so you have my interest - if you say a SET has a 'topological limitation' what is the ridiculously simple change needed to make it good for LF operation ?I was previously thinking about using triodes i...
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[quote user="drdna"] And the explorations that led you from the original Melquiades to this current set-up are well-documented over a period on months. Still, it might be instructive (to me at least) to hear concisely stated your dissatisfactio...
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I designed up a steel chassis for both the Fullrange and DSET Melquiades. Here they are screwed together for the first time. Then I have made sure all the cutting and drilling has been in the correct places by quickly putting the parts in their pla...
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Well, probably not up in smoke, but it is just not functional any more. I was away for a few days and came back to my room to find the Placette refusing to change volume or select a source input, so something is amiss. Perhaps something has been am...
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[quote user="el`Ol"]Why not more semi-active speakers with high-sensitivity mid/treble and transistor-powered bass? [/quote]… and it is very important do not overlook this difference. Multiamping is fine but is it severely suffer in case of different...
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Finally, it has happened. Sound. Two weeks ago I had a couple of mates help me carry up and install the first DSET on its pedestal on the horn stack. It was quite a bit of effort and three were definitely required for the heavy but delicate operat...
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