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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Here is a very interesting double LP set from the old DDR, "Johannes Brahms, Ein deutsches Requiem, Musik in der Wedeler Kirche". Other information on the gatefold jacket includes: Heidrun Heinke, Sopran; Gustav Hehring, Bass; Kantorei Kamm...
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Spent today a whole day moving the boxes, do some measurements,
fighting with REW interface, thinking, some listening… Found some bugs in the
system that I think screwed my initial feeling. The bugs were mostly by Thomas
the Son touched what he sh...
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Now that all three are on the same absolute polarity and have been listened to quite a bit I thought it time to write down my impressions. From least preferable to most:
(3) Neurochrome Universal Buffer set to inve...
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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
hot. In worst case you mig...
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[quote user="Romy the Cat"]Here I share some thoughts about what you have shown. I will
share only critical and warning thoughts not because I have nothing but critiques.
All nessesary compliments for your planning come as a default and I do not
t...
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[quote
user="martinshorn"] I already switched my priorities a view times.
From tonality, then resolution, to latest color (VO) but now i see its the
dynamics being the core of enjoying music with your heart. [/quote]
Well, I very much assure
you...
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As there was talk on the BW Broadcast RBRX1 receiver here, I thought this might be of interest:I have bought a new DSP-based tuner, and it is unlike any other I have used before. I had sort of distantly lusted after the BW Broadcast RBRX1, but ne...
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[quote user="Romy the Cat"] I bought a few Linn Records own recordings of Duisburg Philharmonic Orchestra, Scottish Chamber Orchestra and Dunedin Consort. They pushed them as “Studio Master” but they are WMA files – means the re-rendered compress...
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[quote user="Blaukopf"] First, Romy describes his horns as spherical. Later he names them tractrix. Are some of the profiles of the spherical wave profile? [/quote]
Yes, they are spherical, wish means not rectangular. ...
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[quote user="Romy the Cat"] I do not use compression driver
for bass channel. I would like to have my system esthetically balanced, to get let
say 120Hz from a compression driver would take too long horn and it would be no
way time-aligned it. So,...
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[quote
user="rowuk"] A preamplifier shall be modular - the ability to insert
n quantity (maybe 20?) of input cards on a backplane (for phono MC/phono
MM/line level/Balanced/Single ended/TOSLink) as well as be configured for
multiple outputs. Why ...
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Understanding Line Array SystemsBy John Murray
Behind the buzz, there are a lot of factors at work in line arrays. An explanation and comparison of current models. This discussion can’t be contained in just a few paragraphs, so we must start with th...
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Jorge,
I know what you mean about horns, Living Presence. I love what my horns do. Palpability. Solidity. In an invisible sort of way.
I have two Ampex 300s downstair...
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Western media since more than a decade is all about narratives and not facts.[1] The Russian one is far from perfect but still miles away of the totally pure propaganda machine of the west. The Indian news, about this subject at least, is quite ...
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Yep, indeed, it looks very nice. The 8 sections of bass line
array look visually slightly overweening but I think when you put the upper
bass horns in place it will visually balance the things out. I feel some sort
of envy to the way how you plan ...
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Romy, I will attempt to fill you in on some backstory.
My Placette was purchased from a guy in France. My dac is made in the Netherlands. To an Australian that is just like next door. I have a good and strong rel...
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This material is courtesy to Mr. Shibazaki, the owner of Sibatech Shop in Tokyo, that sell internationally Japanise Hi-Fi equipment.
http://www.sibatech.co.jp/
I hope that Sibatech people are more decent then our american distrib...
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This subject of digital crossovers became quite popular during last few years and many audio-people give up and go for a simplicity and painlessness of digital crossovering. There is an army of people out there who would swear by a complete transpare...
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[quote user="Romy the Cat"]Output transformer. Here is
what the thing become complicated. Of you drive ultra-low impedance with step
down transformer then your secondary turns will decrease. They primary will
have whatever they have for all case b...
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[quote user="G"]Should
the grid bias voltage change when I adjust VR1? In my case it does – if I keep
increasing dc on inputs I can get to -1.5v on the grid and around 60v on B+.[/quote]
Nope, it should not, well it is and it is not.
Are you s...
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Here I share some thoughts about what you have shown. I will
share only critical and warning thoughts not because I have nothing but critiques.
All nessesary compliments for your planning come as a default and I do not
think you posted it here to ...
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Romy,
[quote user="Romy the Cat"] Remind you that horn
not only does that but it performs acoustic transformation gradually. [/quote]
Yes, I do
agree with you about that. From both theoretical and practical point of view it
is 100% true. But...
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[quote
user="Murataltuev"]
What will be your suggestion for upper bass
channel using compression driver ? [/quote]
I do not use compression driver
for bass channel. I would like to have my system esthetically balanced, to get let
say 120H...
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Spent great time and with happy with result. Not the results
are so spectacularly good but the playback is back to be operational that I was
missing for a while.
Starting with films. The damn OPPO has not enough output for
my Milq. I decided to...
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The name of the post I took from the 32th chapter of M. Bulgakov’s Master and Margarita, so from there will be the epigraph for this post:
“Gods, my gods! How sad the earth is at evening! How mysterious are the fogs over the swamps! …So...
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Jorge,
You're right about using identical amps. No doubt.
I have not used Dr. Edgar's passive network but I have tried conventional passive networks on Edgarhorns. They worked alright.
And I have...
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[quote
user="martinshorn"]So what was next...
They build the DAC, patented the clock... ok.
They build their own preamp. Fully descrete class-a balanced,
john curl wouldnt do it differently. Nice. Low and adjustable gain - very nice.
Constant im...
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Today, at Mravinsky's birthday I publish a good article by Rob Barnett: the Classical Editor of the UK-based http://www.musicweb.uk.net. Rob gives a brief observation of the 20 CDs Melodia's box-set with Mravinsky's recordings.
MRAVINSKY Edition ...
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