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Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Hi Roman et al!Allow me to introduce myself. I have followed with amusement Romy the Cat for many years. He is ascerbic and ultracritical, but he does know audio. We share many tastes, like the Koetsu Onyx Platinum foir instance, on...
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Thank You
I'll experiment with the PSU a little. The transformes have only 1 Ohm DCR
and total supply impedance for a channel would be ~ 45 Ohm (with two chokes in series) Imput choke looks like can take 1 A current!All Iron is mil quality and p...
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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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[quote user="RonyWeissman"] It will drive either my Tannoy Gold's full-range, or my 3-way system (Altec 515/Vitavox S2/EV T-350 or JBL 2450). I could also use it just to drive the Altec 515 and use my current 300B to drive the MF/HF of my...
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I have heard hundreds and hundreds of audio systems and mine is by far the best. Honestly nothing even comes close. There is a scientific reason for this. MY system starts with a PERFECTLY tuned room...something overlooked by ma...
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Hi,[quote user="morricab"]Hmmm....I guess I can't really see that unless you are enjoying a particular coloration you are getting from the TVC.[/quote] Nope. On this you are wrong. Based on direct bypass tests the TVC's I USE (that is the specif...
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[quote user="Lbjefferies7"]I found these a few days ago...https://www.solen.ca/pdf/atd/14w2608agti.pdfAny experience or speculation about these drivers?[/quote]They are ADT version of Görlich. I spoke in some extend about Görlich at my site, do the s...
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Be careful to relieve me if I am not impressed, many promised no one excelled. :-)
Chris, I do not think that you will see me to think about transformers for other channels. I do not think that what I do will be some kind of resolution for Amor...
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[quote user="morricab"] You are also right that to get everything you want from an output transformer requires a VERY expensive construction and top materials. However; even an expensive transformer is no guarantee of success. [/quote]
Sorry t...
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Gordon Rankin of Wavelength Audio did a series of one-stage DHTs with a step-up transformer input about ten years ago. I think they were called the Mercury series. By all accounts, they sounded good, but of course had limited gain, not much power and...
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I always was “concerned” about those large high voltage triodes: 211, 845, GM70…. They kind of different… The 845 always was brutal and not elegant, 210 was elegant but not sophisticated, and the GM70 was sophisticated enough but no one build a...
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[quote user="el`Ol"] Some facts:The Japanese horn scene uses colored amps like 300B and prefers to buy Japanese amps.American horns are mostly slightly modified pro gear, quite a bit away from the price range Lamm has in mind, so the market there is ...
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Ronnie,
Arranging the driver in a line array is a fierily straight forward thing. Also be advised that the arrays will less likely work across a short wall, and you need to use a long wall. Generally it is imposable to advise anything as any rooms a...
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For the past few months, I’ve been looking for a solution to a problem – how to recreate through speakers the same sound that I get through headphones. Why did I embark on this quest? Well although I’m quite happy with my headphones, I miss being...
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I did not follow up on the issues relating to improved performance on small smps when used on filament and DAC power supplies.Here goes:The first is that the source impedance of this type of supply is very small e.g. less than one ohm. The sp...
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...we'll have to compromise somewhere. So, since it isn't the spkr's range, then it must be the amplifier. Forget the ML's 18W. We must have ~38-40, so let's say our machine is using a 45 / 211 / 610 /g70 type of tube.Also I don't suggest we conclude...
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(Romy feel free to move this post)[quote user="Paul S"]N-set, I understand you do not mean to hijack the thread with the Axiom, so I actually tried to make generic and/or thread-related observations. I don't know the 6E5P, but generic issues with sp...
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[quote user="floobydust"]The 2A3 can be almost as quiet, but ONLY in the dual-section paralleled types. I adopted a split balance technique. It only works with cathode bias due to the topology but it is effective. You also need a good quality filamen...
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Subtle blending in the T900a with filtering like a pinch of salt in a nice dish(Mechanics being temporarily of course ;-) )
And...you can also see the almost completed 300B SET with interstage drive
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In context of the recent changes in my playback regarding the electricity and the consequential effects:
http://www.GoodSoundClub.com/TreeItem.aspx?PostID=9252
I have revised and reinstated my interest in the DHT experiment. In addition to a...
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Here is the link, though I have no idea whose words he is quoting:
http://twogoodears.blogspot.com/2010/02/again-about-duelunds-coherent-audio-pio.html
The caps are $1000 per 630V/1uF. So, I wonder what those super expensive caps ...
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Hi All,This is my 1st ever post, but extremely disappointed I never came across this site beforeHere is my current setup, for which I'm desperately seeking some help from fellow membersCabinet - Layered Birch Ply with curved sidesWoofers [93.67dB]- 2...
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Well, what is interesting in the subject: if the Cessaro guy will ever go for the DSET configuration in his commercial products? I am not certain but it is possible that in DSET configuration it might be possible to overcome the accused shortcomings ...
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[quote user="Romy the Cat"] When I said four transformers I meant that I can see 4 type of the tubes. The 2A3 with 700-80R on plate, YO186 with 1200R on plate, the 45 with 1800R on plate and 10Y with 5K on plate. Hey are requires different transforme...
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[quote user="Romy the Cat"]Iraschwips , sorry that your post was deleted. The site
was hacked this morning, I fixed it and your post was the only casualty. I
restored it under my name and since you reported it we all set for now.[/quote]
That’s ...
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[quote user="Kcct82"] I know you're not a big fan of digital delay, but I'm using behringer DCX 2496 to make things easier... this way I get to keep all horn mouths on the same plane which avoids some reflections (from other horn mouths). [/quote]
S...
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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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Thank you for the comment on this amp, this is my first time of using the 6C33C tube, I decided to build this amp after reading about the Melquiades, this amp is just a quick experiment on the 6C33C sound, since I have...
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Dear Romy,
Thank you for the commentary and the advice with regards to the need to have a COGNITIVE ORDER OF SUCCESSION and to test with another speaker in situ first.
Given the varying degrees of how different individuals process COGNITI...
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Show Report PiS Festcomposed by Johan Dreyer
This show was held at the Rama Sebo convention centre in Freetown on April 30 and May 1.Unfortunately my kids played with my camera and destroyed the photos.Highlights were:JBL announced that they were s...
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