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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="Romy the Cat"] The AC factor? This is more complex. My last APS PurePower reregenerator (the fifth unit!!!) does quite amassing things but the reregenerator’s use is not as a straight forward as it might be expected. The PurePower is VER...
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[quote user="morricab"]Well Romy, IMO they are not just tonally different they are more tonally correct, ie. they simply have less coloration than other technologies. Just listen to a recording sometime made with a ribbon microphone and you wil...
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[quote user="Romy the Cat"] In the 2008 I have a few immediate goals:
1) Finalize the 6-chennals version of Super Melquiades and integrate it with Macondo
2) Finalize the “End of Life" Phonostage:
3) ...
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[quote user="clarkjohnsen"]Since all audio folks know that the wall gives us highly variable power (voltage being just about the least important aspect), it occurs to me that a way to measure it that includes all the various parameters would be highl...
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When I decided to build this amp I know from the start that it will look not as 99% of amps. I do not like when transformers are visible.My wife hate this "mushroms" looks.
When I speaking with Pieter i told him to not poting chokes and trans...
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[quote user="guy sergeant"] Of all the manufacturers you could be poking fun at you've chosen two who actually care about what they make and sell. [/quote]
I do not think any manufacturers “do not care about what they make and sell”. They all do, or...
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[quote user="tuga"]I agree with both of you: in my opinion this kind of presentation is really very effective on it's target public, but I have a hard time keeping my lunch in even before DW begins his visionary "insights". [/quote]
Wilson Aud...
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[quote user="slowmotion"]Alltough I understand both the scepticism against both the so-called DIY-movement and the audio industry (the industry is a many headed monster, tho - without the industry I/we wouldn't be here ) , I strongly agree with Guy's...
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Paul, another my spin a little off the subject but since it has to do with your current dealing with ML2 I would express it here.
Since you use some tube gear then why you agree to be a slave of random circumstances? Tubes have problems – they go o...
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After a month of listening exclusively Melquiades and decided yestoday re-switch everything and to play Lamm’s ML2.
I was quite shocked with the result and I did not anticipate the ML2 could be so way off. I will not elaborate about the a...
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[quote user="drdna"] However, there is something to be said for the certain magic that can sometimes happen with a particular device. The unpredictable transients and color shades add a sense of alive-ness that seems separate from the standard charac...
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It is very self-evident for kind public this clown is working. From all BS that was expressed about me I would point just two facts:
1) I never kicked Joe Roberts from my site and according to site's memebers log he keeps visiting daily.2) I d...
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The visitors of my site who have read my observations about the CES 2005
http://www.goodsoundclub.com/TreeItem.aspx?postID=1918
are familiar with my very positive impressions about NESPA Optical Disc Finalizer.
http://www.goodsoundclub.com/TreeIte...
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[quote user="Romy the Cat"]
Knightcrawler wrote:
The 1808 was designed for a large vented enclosure. Just looking at the TS numbers would indicate a large vented box to be best. It also worked well in horn loaded designs a...
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[quote user="morricab"] The one thing that the Lamm ML2 does differently than nearly all tube amps is regulation of the output stage. They do this with the 2nd 6C33C that is on the chassis. Even the KR amps don't do this and I think it is...
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Well, another page of my saga with APS regenerator is turned. I got the updated APS unit. It kind of “works” as I redefined the definition of word “works”. Under normal circumstances I would walk away from it but there are some moments in my “bad ele...
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A few days back I went to a meeting of Boston Audio Society
where Dr. Wacks read lecture about electricity industry tendencies and it's transformation
toward smart grid. It is not that I have any interest in smart grid but I was curios
to ask Dr. ...
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This is very interesting subject that gave me a lot of head ache until I figured the things out.
It is known that I have aversion to ground that comes with mains. It is very dirty, so a few years back I drove 15 feet copper poll in pretreated backya...
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Here is another, simplified assault after some rethink and PSUD simulations.Rectifier: 3x1.2kV SiC per phase should do the job, actually 2 would do, but I'd preferto be safe. Bridge I don't want, as there would be 6 not 3 diodes switching1750V. 1.2kV...
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Jorge,
You're quite welcome to visit any time you are in the SF Bay Area.
There's a photo attached to this post of my Blokhorn system ( modified Edgarhorn System 80 ).
...
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[quote user="darkmoebius"]I asked Jim Hagerman how long it takes to break in interconnects, power cords, speaker, cables, and preamps? He replied - "Usually about 40-50 hours on a FryK. The amps are fastest and get most of the way overnig...
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Rob and Romy the Cat,Thank you for inviting me to discuss this subject. Allow me to reply only to the main points raised, due to the present overload of work. However I will try to answer, later, to any specific question on the subject. First : - My ...
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Actually I do not have the instability issue sorted out completely...I'm talking about circuit instability now, not the tube instability. Let us imagine all tubes are rock stable.As I see it there are at least two major sources of instability, in the...
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... or wondering if it has any new insight into horn design.I did not read the book but I find funny that person who presumably do not “believe” in horn write a review about the presumably horn related book. It would be similar to ask a blind person ...
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Well,
The most miserable things about electricity that you never know what to do. I had in past different filters and mny imaginable power gismos, a number of isolated transformers, balanced transformers, regenerators…
For a couple years I was runn...
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Yep, thanks. I bought it yesterday as well I bought yesterday the new revision of PS Audio Juice Bar II.
The Juice Bar II looks like a right devise but it need 2-3 of them.
http://www.psaudio.com/products/juicebariimoreinfo.asp
The Wi...
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Ari,
I do not think that we recognize the process of “audio designing” as the identical actively. It looks as you peruse to design an amplifier (for instance) as a conceptually well operating system where a set of deferential abstractly-measurable v...
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[quote
user="decoud"] It may well be that PP's equipment is touched by god,
but seems foolish to come to that conclusion without ever having heard the same
fundamental design done by anyone else. [/quote]
Decoud, for sure it is a
valid point and...
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I got few inspirations recently that made me to dedicate today for building another DH MF for second amp. It is end of the day and the conversion of the second amp is done, including the PS, marking and drilling the holes, driver stage and the DH...
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In the world or audio you
learn new and interesting facts every day.
AC caps (ceramic, electrolytic, polyester and polypropylene metallized foil types) can buzz at various frequencies.
This is not nonsense, and is quite normal behav...
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