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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"]I think to conduct any more or less methodologically cleaner experiment the best would be to have the field coil with multiple taps. Make the coil standard 600V rated and to design the coil to have let say 4 taps that ident...
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[quote user="KOTriode"] Without regulation, this amp would not work correctly due to its design: DC coupled and fixed bias. The high transconductance will make the bias current varied as much as 50-100ma due power line fluctuation without the reg...
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The 6C33C preamp? Hm, this is bold. As I see you use it as a single stage buffer with only one 6C33C and couple output with a transformer? I head the Germans built something like this but I never heard it or saw it. I do not feel a need for such ...
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Last night I was experimenting with integration of ULF and midbass and was playing relatively loud. The ULF woofers is at second order at 35Hz and the were located outside of my listening room, in the next room with a large wale between then, but...
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[quote user="RonyWeissman"]Romy, would you say that placette is especially sensitive to electricity to function at it's best(sensitive in relation to other equipment I mean)? My unit is 110v and I am in 220v world, so I am using a step-down trans...
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Mani,
I would leave the subject of DSET/horn setup for another thread and would drop a few words about Zu Druids. They are not the speakers that I would ordinary comment but since I have a local guy with Zu Druids and I had a chance to hear th...
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This post is a logical continuation of the post: My “radar of sensations” about the “good honk”:
http://www.GoodSoundClub.com/TreeItem.aspx?PostID=15814
I wonder if any manufactures would be interested to undertake bass DSET proje...
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A friend of mine asked my last night if I feel that PurePower’s Sound as good as a playback during those extremely seldom moments when electrify is good. It was a good question and I feel that it is worth to cover.
First off all I can not say about ...
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Lamm introduces a new product, the LP1 Signature phonostage. Vladimir was planning to do it for a long time as his parley into “reference” series and after his from my point of view failure with LL2 phonostage.
The new LP1 Signature phonostage...
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[quote user="gordan"]Najda volume
control is analogue in each channel. The rest I don't know, especially I don't
know how DSP is implemented and if individual time delays are possible. But if
you are able to physically time align your setup, I thi...
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The Rohde & Schwarz EU-6201 tuner was made for German Ultrakurzwellen (ultra short waves or FM) Broadcast Network. The idea was to have a chain of wide-bandwidth composite signal receivers that feed re-transmitters. I made an attempt to accommoda...
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…and since it is in LL line I presume that it might be right along with LL2 Preamp – not particularly interesting preamp. In other words it is most likely the “positively expected” and “might be interesting” continuation of the L1 and L2 line.
...
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Positive Feedback published David Robinson’s review of Lamm M1.2 amplifier.
http://www.positive-feedback.com/Issue34/lamm_1.2.htm
Frankly speaking I do have interest to see what people might say about Lamm M1.2. Not that I care about a review’s ob...
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After 13 year of using of
my active Placette my preamp now is undergoing a modification. My knew listening
room is rather on larger side (acoustically) and I am driving the whole system from
super Milq, no help of SS amplification at the lower kne...
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[quote user="RF at Ona"] Romy,I might have overlooked something on your site but I understand that your ULF amp is driven directly by the preamp line stage. If that is the case, you may want to consider an old technique for integrating subwoofers...
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A couple months back I sent to Dima a link with a wonderful collection of audio articles from first part of the 20s century:
http://www.one-electron.com/Misc_Docs.html
In next couple days, talking with Dima he asked me: “Roma, what is REL Company a...
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Somebody from AA was asking about electromagnet. The subject pup up here from time to time but this time Bruce Edgar uploaded an interesting comment. Bruce is not a typical AA Moron and if he says “inaccurate things” then it is not due to ignoran...
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Guy, here some unconnected comments that you might find worth considering. They are in no order or importance, just random thoughts.
1) Talking and describing about horn we shall always mention at least 5 mandatory characteristics
...
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[quote user="guy sergeant"] In your earlier piece about how to use the S2 'properly' you wrote
"Whatever happens between the 400 and 2,5 is pretty much unnecessary for you garbage. So, get any known to you soft capacitor of 3uF and place it in serie...
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[quote user="berlinta"]..."your boyfriend from Oswalds Mill"...
Absolutely superfluous, meant to insult only choice of words. My wife, if I'd show her this thread, would yell at you like a drill seargent. Her fuse is short. [/quote]
Come on...
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Jeremy, another few lead that I think might conceder.
Manly Labs has their 20-bit digital to analogue converter that uses the Pacific Microsonics processor inside. I was told that is available as the “street price” for ~$6K-$7K and it might be a “f...
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[quote user="drdna"][quote user="Romy the Cat"]David got rid of transformer and replaced it with a DC transformer, claiming that it is “better”.[/quote] And I should point out that not only is there still a transformer in the circuit, but many other ...
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…Is when they call me idiot then they attract my attention. Wojciech
Pacula, the 6Moon’s reviewer extraordinary published the following:
So, when I read a text such as the one below, I just give
up, because it either demonstrates a complete lack...
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Gintaras, basically it is not bias voltage
problem but voltage drifting +-10mV with preamp disconnected. The 10mV is absolutely
irrelevant voltage. You see, the gas tubes are voltage stabilizers but they are
not as precise as the SS stabilizers. T...
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This mooring I decided to play with my infinite baffle. The
mess with my analog crossover hat was calibrate for my old listening room gave
me bad IB taste. I bought used stinky Behringer DCX2496 Ultradrive Pro crossover
for $100 to find my new cro...
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There are few more observations I would like to share after listening
my new IB over this weekend.
The midbass. The midbass channel that is handled by a single
Vitavox 15 driver with use of my new IB became if not more propitiate but at
least m...
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It kind of strange that so many manufactures produce preamps, so many users use preamps but no one talks about them seriously. The dealers sell them, the reviewers write their doodle but the manufactures do each year a new version but what we, th...
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[quote user="Romy the Cat"]
I do not know why Placette
does not work in your situation. You do not have enough volume? If it is the
case then you might have too low gains in your front end. All my front ends
have very high gain: Bidat, Lavry, my...
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Anthony, I am not so thrill
that you are unlashing your into this direction. Not that it is my business and
you can do whatever you want. Still, I feel that methodologically it is not right
way to build a playback. What I mean is that to evaluate ...
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I was asked a few days ago what I think about Zandèn new CD player and I replied that I do not think about it.
Truly, those companies produce new models each 18 month to initiate new rounds of cash extraction from clueless, deaf and blind audi...
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