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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="Chirag"] It seems the 6e5p is driving the transformer directly. I've used various versions of even simple mosfet followers to good effect at the headphone level, but never considered using a speaker level transformer. Did you and D...
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The precision of those inductors is very much irrelevant – it would be easy to fine-tine the filter with the value of the resistor. There is a bigger fish to fry – the benefits of LR filter.
If we are taking about high-pass filter then there are no ...
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[quote user="Romy the Cat"]If I succeed to make my midbass horn at attic then I will face another problem that I do not know how to address at this point. The horns will be powered from Melquiades bass channels – it means it will use a good 70 feet s...
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Interesting that a notion of an Absolutely Transparent Stage is kind of bizarre. Let presume that we do have an Absolutely Transparent, musically and sonically, stage. The stage might be transparent only with own enclosed scope. If a stage modifies t...
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I have no “apparent aversion” to anything at this point and I would accept absolutely anything that would deliver a result, no mater how crazy it would be. I do not talk even about the X-factors or about anything “kinky” but only about a plane transp...
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Romy,
Thanks for the hints.
I was anticipating the limitations imposed by of a pair of SET amps such as the ML2s driving such a system (4 or 5 drivers per side, down to 40Hz), but was planning to accept those limitations for the moment... takin...
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As I previously told to manage six channels built around Russian tubes, and patricianly as different as 6C33C, is a pain in ass. Today, carefully examining my log file that I keep about the performance of each tube in the amp, in addition to everythi...
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[quote user="hagtech"]Ah, think of it this way. Imagine floating the input to your ET step-ups. Don't ground it. Let the primary and phono cartridge float. This is a similar situation but far far more sensitive. It's a m...
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[quote user="Paul S"]and dm did say he's tried (and rejected?) several SETs already, in the context of Klipsch Horns.[/quote]No, I didn't say that at all. I said that the were aspects of the 6C33CB's presentation via the Almarro A318B SET, that ...
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Paul, I clearly have no idea; I am purely fishing in here.
Regarding use of feedback in my buffer there was an interesting experience with it. Among the buffers that I tried there was two that used feedback: one was a an exact replica of Melquiades...
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Thanks very much for your prompt, courteous and informative reply!My thought about the crossover design for the EdgarHorn was due to a number of things:1. This particular EdgarHorn is being sold to make way for a Cain & Cain speaker which i...
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[quote user="drdna"] 1. This particular EdgarHorn is being sold to make way for a Cain & Cain speaker which is based initially on a single-driver type backloaded horn. To me this suggested that the seller was seeking the benefit...
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It was an audio eventful year and I have experimented and discovered many fascinating things. Here is a brief summary of the 2007 audio-events and a short look what my audio happening will might take please in 2008.
1) In the very ...
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Simply beyond any criticism. The Purepower bass was something that sold me on the very first unit in June 2007. The very first Purepower 1050 had the same type of bass. What kind bass? Well, if juts did not “improve” it and did not modified it ...
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Dima's Zarathustra made it over to my house yesterday fitfully escorted by the Cat on a fine cloudy humid and damp New England day. Having heard the original Melquiades I was intrigued what the amp was capable of and looking forward to its arriv...
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I set up today the framework in which I will be testing my Vitavox 15 inchers. It is a wooden frame from my bathtub with a driver screws to it, the massive sliding doors that squash the driver from both sides and cardboard that cover the wholes. This...
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Looks like the Red 10's are circa 92dB/w/m as an entire "speaker" including woofer. I've never played with them before, but I wonder how much, if any, SPL is scrubbed from the tweeter by the crossover so that it matches the woofer. Romy, from what ...
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[quote user="Bill"] I have set up a 16 channel system with 7 floor Edgar horns, six inexpensive height, and one overhead speaker (all under $150 each) and one subwoofer channel, all controlled by a Trinnov Altitude 16 pre-pro, which is a computer...
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The Purepower state at their site that efficiency of the unit is 89-92% depending on load. I presume that they meant the power factor correction that need to be taking to the consideration. In my case my two 6-ch Melquiades run from two new PP2000. M...
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Hm, that is a good question. I honestly do not remember. The 6ch Super Melquiades has 7A fuse but I have no memory about the fuse I used in single channels amp. During the assembly I used the lamp fuse – that is given but in the final version I just ...
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Hello everyone,
I am thinking about building the full range Melquiades amp. I have inexpensive speakers meadowlark kestrel hot rod (88dB). I am planning on replacing the speakers, however, I am not sure when. My question is - should I even try the...
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[quote user="Romy the Cat"]To simplify everything: the Melquiades was at attempt to make two stages, capacitor coupled, no feedback SET, having the cathodes sitting on ground and using the unique 6E5P as a driver. My selection of output tube was beca...
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I got today my second PP2000. This was the worst sounding unit, the one that I used for over 2 year, was fine then was upgraded to the new version and lost it sound. The first fix of the upgraded unit was not successful but this last one looks like m...
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I think that the discussion of extending response (especially LF) is the WRONG direction. We know that the Macondo/Melquiades setup had more extension and integration than is even possible with Dunnoys. I am not sure why this is even getting so many ...
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Hi Josh,I think it is all a matter of perspective. Personally, I would be very surprised if the key elements of the sound of that system that so impressed you is due to the Goto drivers. There are at least three more important things: that big roo...
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I'm in touch with a reliable technician who is going to build the Melquiades monoblocks for me. He has suggested some changes which I'd like to comment, he's having trouble to find some of the parts. I hope you can help with this:- Regarding C2 the 2...
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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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Inhaling Melquiades for long time. But have feeling about dset again. Started experiments years ago and abandoned. have full one stage 6e5p blocks all proper Melquiades way. except misplaced output trannys or maybe never had right ones. What Amorph...
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Actually my leading though how to put one ass on all impedance chars is to have 5K primary with 12-16 coils of secondary. The 4K would be fine load for 2A3 type of pates. It would not be difficult to remap the secondaryes to get 7K-8K that would be O...
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[quote user="Romy the Cat"]Not kidding?! :-)Yes, I always felt that Tannoy the vintage 10" sealed box were the best Tannoy out there. Still they were the best not because they were best but because the 10” had less bass extension and did not go into ...
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