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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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It did not last long….
Just a couple days back I was thinking that I will live with my current lower bass for a while and now I feel that I will not. I do not feel that my current ULF is wrong. In fact I feel that it is truly superb but I wou...
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[quote user=" browellm from hifiwigwam"] "not your typical DIY moron". High praise indeed from Romy there… [/quote]
OK, I would like to make a commentary on the subject. I know that people who love to chop wood at DIYAudio site would consider...
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A site visitor sent me another video of Silbatone from the last show:
Another video of the room playing barbaric music. The only missing part from this video was Joe the Archeologist , naked but wearing a ballet skirt and j...
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[quote user="Romy the Cat"]
It look like the project progress well. I have a little concern
about heat the will be building up in your PS enclosure. I do not know what
kind ventilation hole you have in there but be advised that it will be quite
...
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[quote user="drdna"] You had described the Melquiades as a "reality Reconstruction" amplifier. In my mind, I have always associated the unpredictable quality you describe with a "closer to reality" sound in my system. [/quote]
Well, I might ...
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[quote user="KOTriode"] The Melquiades give me inspiration to build this 6C33C amplifier. It's on a stereo chassis that has few unique features - Vacuum tube rectifier separately for Input/Driver and Output tubes. - Regulator using the same tube ...
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Welll, you still did not express yourself what are the sonic verdure of DHT from your point of view. You are not obligated I juts proposed you to do it if you feel that have any observations on the subject.
[quote user="guy sergeant"] I started by s...
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[quote user="Paul S"] Romy, on Fundamentals channel did you leave the 20uF cap at speaker level or did you re-configure that band pass at line level? [/quote]
Nope, it is hoe it depicted the 20uF cap at speaker level. I see no problems with ...
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Last nigh I spend a couple hours to listening this thing. Since the amp is done in design phase and the final parts are still in order I can not finish it and close up – it kind of frustrating… Still, it gives opportunities to listen it knowing that ...
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[quote user="drdna"] The altered topology of DSET has the potential to have disadvantages. There is increased overall system complexity and this often seems to be a negative. Beyond this, it is difficult to expound, for me, on the specifi...
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[quote user="Resorob"]I realise that this is a very old post, but you might want to take a look over here=>> http://www.valvediy.com/simplexpg1.htmlThe article can be downloaded as PDF, the writer Ari Polisois developped a new kind of transform...
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This is kind if funny as I never thought that I will go this way. I kind of have a need for an amplifier. For a normal full range amplifiers that would be able to drive conventional speakers. I really can’t use the Super Melquiades as it has the live...
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I am very much do not like the current state of my mind about the single-stage Milq. Let me to explain….
In 2001-2002 I spend some time trying to assess the sonic influence of PS to sound. After making numerous tests and prototypes I concluded that ...
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[quote user="Paul S"]So this amp would not have to deal with a crossover? One R and one L in the signal path, it looks like a headphone amp, maybe a dream circuit for a light piston, HF only, given no cap/coil load at the [ribbon] driver. [/quo...
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Paul,
Thanks for pitching the Johnson capacitors. They do not look “large enough” for me. I used in past the following caps:
http://www.oselectronics.com/ose_p96.htm
They have very good size to value ratio. The ironic part that I just called to th...
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[quote user="cv"] I'm enjoying this account of Melquiades upbringing. I must ask though: how are you sure that what you are hearing isn't on the recording? Not that I don't believe you, I just wonder if the stuff has been there all along and undiscov...
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[quote user="haralanov"] Romy, I do agree with all your comments. It is true that the magnitude of the rubber taste very much depends on the crossover frequency. I used them below 64Hz, but with first order filter, implemented before the amp that...
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I had one for about a week and was not happy. Switched to a Kenwood KT1100.
Here an honest review that matches my experience. Bottom line is that on stuff this old, the individual buyer will determine the price, not the market.
...
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Greetings,
I may be able to answer some questions regarding crossovers, multi-amping, etc. - without getting bogged down, hopefully, in metaphysical issues.
First off, I live in San Francisco, if he's inclined 'drdna' and other locals are wel...
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[quote user="Kerry Brown"] For years, I used to have passive line level filters and tube amps - single ended 45's and 2A3's.
To make a long story short I am much happier now. Screw tubes ! ( Don't hate me. ) [/quote]
Kerry, I do not think that som...
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Romy and friends,
Reading about the sensitivity of your system to electrical power supply problems reminds me of the days when I used to make my own equipment as much for the learning experience as for the final result.
One of the mundane things I ...
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[quote user="Romy the Cat"] 1) I would like to try amorphous core foe my LF transformer. I know, I know, the amorphous core is not LF core but I know what I hear and if I found somebody who would be able to make for me d...
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I know, I know, it is absolutely not NECESSARY and I do not think that I see a need for it. I however see that it might be USEFUL in SOME cases when a recording was mastered by a complete idiot.
So, I wonder if anyone comes across to very high...
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Did anybody care to try it?
This LossLess idea do sound interesting…. if it works…
http://www.lessloss.com/dfpc-signature-p-199.html
"In the DFPC Original, we utilize the naturally accurring skin effect to its own detrime...
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[quote user="Romy the Cat"] Today turned the playback and I was surprise with gray and unexpressive bass. “What the hell?”- I asked myself. There was absolutely nothing done to playback but I look like I lost bass. My initials sentiment was that...
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Anthony, the filter I use in
the tube filter is a regular RCRC filter, there is nothing special in there. It
has two buffers, input and output and it is it. The point you made is very same
as I do: if the digital and analog filters are the same th...
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[quote user="Romy the Cat"]In my upcoming DH Milq MF DSET I will have an Innerstage transformer and output transformer. The loading of output tube has known effect to harmonics vs. transients, it is know, it is predicable and it is manageable. The In...
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First of all it was quite interesting and quite educational. Second of all it answers no questions but rather creates more questions. Here is what I try to compile some my observations and thoughts on the subject.
I have a local guy who red my site ...
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[quote user="Romy the Cat"]Well, it might sound as a heresy to you, but I personally
consider the impedance curve is a bit irrelevant in this application. In this application
you need to care only about only 2 things: if you have enough power in yo...
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Horns are of course some kind of band pass filters with different kind of ripples at lover cutoff and beaming at upper cut off, according to horn type.
Maybe it should be added ...
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