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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="de charlus"]Due to this thread, I called the friend upon whose boat I heard the Vox Olympian in order to find out precisely which DCS DAC he was using with his TLOX to get the sound that I found so remarkable. It turns out that whilst th...
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I just completed (DIY!) several "factory" "upgrades" to my SE phono stage. While I had no frustrations with the unit, I have been reading designer Kevin Carter's careful explanations of the changes he has worked out over the past few years. These mo...
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[quote user="guy sergeant"]If you are a manufacturer with a range of products you have to export and sell to distributors all over the world (many of whom don't speak english), it is far easier to give your products numbers rather than names. It is a...
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Hi Romy,
I did the review on the AcousticPlan amp, called the "Santor". It is indeed a two-stage amp using 4 6922 tubes in parallel to drive a high Bias Mosfet output stage (it is class A to approximately 15 watts and runs very hot). It ...
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[quote user="anthony"]I plan to
build a fullrange Melquiades for a friend and then if that works out the DSET 6
or 7 channel version for myself. [/quote]
That is very good approach in my view. The
problem is in this approach that you have t...
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[quote user="op.9"]the horns come out of a rakk dac with lundahl LL1674 passive outputs the midbass use a behringer DEQ2496 (26cm delay) modified with passive outputs.[/quote]James, if you use this DEQ2496 then you might find this thread worth attent...
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So, the first DSET is still downstairs on the electronics bench and I am back to work for a while, but not too hard and not for too long (I hope). I've added all the filters and checked and tested and changed some more things and decided that it was...
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Robert,Many thanks for the clear exposition of the technicalities to consider in making what is on the face of it such a simple choice. I however disagree that the points being considered here, as both you and Romy seem to suggest, only ought to be c...
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[quote user="Dresden"]… One very important component I'm leaving out of the cost of the horn is amplification (the horns will be active, using class-D amps). The reason for my choosing class-D amplification is that the modules and various compo...
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[quote user="Romy the Cat"]
How difficult is it to find 437As good enough for a phonostage? For commercial applications is it a dead tube. WE might produce it again when they stated to redo the tubes but the existence of the Russian 6C45P pretty mu...
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I pretty much know what I need to do – I need to go for shaper filter built in my power amp. The second order I have no is too impactful to midbass, so I need to do for 2th order or perhaps for 4th and try to integrate it. Whatever it will be I thin...
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Hi Romy,
I am planning my own DSET build. I have based my speakers on your Macondo and
am busy turning MDF horns in my spare time.
Once that is over I will move onto amplifiers. I plan to build a fullrange Melquiades for a
friend and the...
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I was contemplating the 6 Channel Super Melquiades conversion – it will quite a revision – and I am slowly inclining to make it not 6 Channel but 7 channels…Anyhow, the post will not be about the needs of extra 7th channel but rather about one of the...
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[quote user="AnonymousUser"] the patricians shake the rafters with 18 watts but I am still trying to improve their sound…[/quote]
Hm, shaking rafters is not good sign at all and it is said very little about the subject I was taking about. Ther...
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[quote user="Stringreen"]Indeed I do know that high wattage does not necessarily mean that accurate dynamic shadings are successfully reproduced, however, I will tell you that my high power amps do the job well, and his tubes do not. ??[/quote]It has...
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[quote user="TonyB"]I did not study PurePower in detail. They have 36V DC batteries. Do they use step up transformer after Class D amplifier or do they create high voltage DC supplies and then run the Class D ampli...
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[quote user="Romy the Cat"]1) A preamp shall have right Sound. I would not even comment on it. A preamp shall sound better then any other source a system has.2) A preamp shall have a remote control. I have expressed a well found view that a Remote Co...
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[quote user="drdna"] So what are the effects of good electricity of the PP2000? It may be a good idea to look at the frequency response and harmonic distortion of the system to see if filters in the Macondo speaker system may need to be adjusted now ...
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Each new idea is an opportunity or a pain to be involved into a new round of custom work. With all my considerations regarding engaging the DHT I more and more biased to have YO186 as the leading candidate, in fact I almost decided to do it. Fr...
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[quote user="slowmotion"]Good news if the analogue stages of the DCX2496 is so bad. So the improvement of a modified unit should be worth the ekstra work, and remove some of the x-overs negative influence on the sound. Which is always good to know be...
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Well, here and there at my site I’m calling for rationalism in audio and suddenly I go enthusiastic regardless a perspectives of $200K Cessaro’s Gammas availability. Sounds hypocritical, doesn’t it? Well, not really.
I’m under no presumption that go...
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Gould was such a great talker! I love listening to him on just about any subject. But don't let this stop you from digging into it, if you want to "fix" it.LBJ, there are bound to be periods when, and plenty of varying reasons why, one just is not ...
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I’m glad you talk about geometry, but to respond to this I have to refer to other brands. I will only talk about facts and hope it’s not offending anybody.My basic point is: the flare rate has to be coherent right from the entrance of phase plugs. In...
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This is the idea that I like. It looks like it is a Slovakian company and this amps is two stage with a reasonable driver and it looks like they make their own 2A3.
http://www.jj-electronic.com/index.php?option=com_content&task=view&id=2&...
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I have today a local audio guy stopped by in my room and listened my playback. I have almost painful reaction from this listening session and could not wait when it will be over. The playback sounded very unpleasant, I mean so unpleasant that I w...
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Romy, Some very good points here... if I downloaded the correct schematic from your site for the 6-channel Melq amp (also has the term DSET in the title) then you have created a 6-channel SET amp with built-in crossover points. Your first ...
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It is sometimes disgusting to see operas played in American theaters. It is known and it is unfortunate that the American public consciousness brewed on the mix of puritanical hippocratic absurdity mixed with the condemnations of Jewdaic-Christian mo...
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I kind of never paid too much attention to it a few years back but lately more and more it become to fascinate me. I am taking about the Macondo/Melquiades tandem’s ability to demonstrate distinction between pitches at alarming high level. Sure ...
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Yesterday I visited a local audio guy who bought new speakers and for all intended purposes new amplifiers: I wanted to see what Sound he got. I did not like his Sound I literally did not acknowledge the visit as any audio experience. Very few pe...
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hmm...I didn't realise I had left my browser logged-in to your site (I left my PC on over night, downloading some files).'..the only advantage that class-D amplification has is cost, size, heat generation and power.'In my eyes, that's more than I cou...
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