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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="Alex Yakovlev"]Romy, would you mind elaborating on specifics of your power supply? My Bidat is going to John in a couple of weeks and I am finalizing my thoughts. Thank you.[/quote]
I do not have any “specifics of my power supply” as I ...
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I never had that Selenium 405 driver. Generally the phenolic diaphragms are very tricky and might have some excessive softness and some luck of transients. Selenium also had a habit to load gap with ferrofluid – it also might slightly detransientize ...
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[quote user="jessie.dazzle"] To that I would only add the following: Start saving up now for a second pair of S2s.[/quote]
Yes and no. I used the second S2 for lower MF range but it is not only way to go. I would propose that any driver with large a...
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I picked recently a pair of S3 drivers. Not that I need them but it was good deal – perhaps someone in UK have demolished an old movie theater and a large school of S3 drivers with original diaphragms hit the maket recently. Also, I always meant to t...
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[quote user="Romy the Cat"]Sure, there is nothing wrong with a transformer-attenuator if it has a pure restive load but as we know it is never the case. If we need a drop voltage elsewhere then we use resistors, right? We do not we use transformer-at...
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None of the commercial speakers might relay on the Imbedded principles because the obvious reasons. They always look for as neutral as possible location because they mostly designed for anechoic operation. However, if the Imbedded techniques are used...
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[quote user="drdna"]I find the sound of my horn loudspeakers very satisfying, and by the way I have the EdgarHorn Titans, which may make you chuckle if you are a horn snob, but I think they do a very good job, one of the best commercially available h...
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I was thinking about the subject for a long time. People in audio love to make generalization, so do I, but in it is not so simple. People attribute to output tubes some “special” qualities but I more interested not about unnecessary drooling about A...
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Adrian,
If you are still in MF frustrations then I have something that you might find interesting. Recently I pick up in UK a pair of Vitavox S3 drivers. They out to be with original metal cones. I do not need them but the price was too good to let ...
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[quote user="Romy the Cat"]If you are still in MF frustrations then I have something that you might find interesting. Recently I pick up in UK a pair of Vitavox S3 drivers. I figure that if you wish I might let you to play with before they die in my...
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I was informed that there is a new Estelon Extreme loudspeaker out there that costs ¼ million dollars. Not with interest I read about it http://www.estelon.com…and concluded that this is as idiotic as it get. Nope, I did not listen it and I have ...
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[quote user="Romy the Cat"]
I was informed that there is a new Estelon Extreme loudspeaker out there that costs ¼ million dollars. Not with interest I read about it http://www.estelon.com…and concluded that this is as idiotic as it get. Nope, I did...
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[quote user="el`Ol"]Romy,
I find the Veravox 5 drivers are strong contenders when searching for elevated sensitivity 5" drivers. I heard the Veravox 5X in combination with Shindo SET electronics and found it very natural-sounding. Both 5ers have cer...
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Here's what I would do.In general :Start by excluding the DPoLs, excluding the electronics and associated gear, and considering just the room. With no electronics functioning, is the room an acoustically pleasant space ? Invite friends over and ...
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I looked at the schematic for Herb's 300B SET many years ago. It's been copied and slightly modified by many.... personally, I would not use it for a 300B amp... then again I probably wouldn't use it for a 2A3 or 45 either (I think my input/driver d...
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[quote user="Saturntube"] The difference soundwise in this half range 180hz and up horn module between the Leak TL12.1 amps and the First watt F5 clone was big, mainly the tonal balance is very different with the midrange sounding thin. Highs w...
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[quote user="decoud"]Romy, apologies for being unclear: the amp is not yet built: this is just a spare chassis I am offering for others who may wish to build it too. Inputs and outputs have not yet been added to the chassis. I therefore cannot co...
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This week Romy was kind enough to invite me over for a few days for some Apprentice work and philosophizing. As I alluded above, my Apprenticeship contribution consisted principally of moving some audio gear, searching for some esoteric stuff hidden ...
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Here are a few comments by Mike of Audio Federation about his exposure to new Lamm ML3 amp:
http://audiofederation.com/blog/archives/498
In fact it was more interning then the entire review in Soundstage, at least more informative. A few comments t...
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[quote user="chaos"] i searched your site and the web, but could not find a pic with the same diaphragma.it seems to be completely alu, but with a clear plastic-ring glued over the border of the hemisphere and the flat part with the grooves.its not t...
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[quote user="miab"] I'm curious as to why the preference to paper cones as opposed to carbon/poly/kevlar/ceramic/.... With weight and stiffness advantages of other materials, would advancing technology not be well implemented towards drivers? [...
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[quote user="hagtech"] The issue I see is that of intermodulation distortion on the biasing of the output tube. It will effectively change HF operating point per supply ripple. Easy to understand if one imagines a gross ripple of 50V.&nbs...
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[quote user="Ronnie"]I put together a hot tube amp channel, and gone is the sound of shattered glass.All three of my receivers were distorting equally horribly.Beware of never-been-serviced vintage solid state, I guess!Anyone know if it is common for...
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Hi Romy,
May i ask if you have ever played with the Le Cleach flares and how you find them?
They were created to reduce reflections directly back into the horn. Only problem is they are very large because of this....
Regards, Collin
PS:...
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Collin, there is one more tip for you how you might bult a very inexpensive but very good performing MF channel, thought it might be slightly time-consuming…
It is not well-know but some, primary Japanese companies like JVC, Yamaha, Hitachi, Denon ...
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[quote user="angeloitacare"]
hi mikecongratulations for your site, it is very nice, specially the showreports, the pics are great. i heard in july a avalon speaker in italy, with these ceramic drivers, they sound horrible. no dept and image at all....
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[quote user="Paul S"]OK, Romy, that EnABL stuff got my attention!I can't recall all of the bad ideas borne of good research, but this EnABL thing sounds a little fishy, and certainly it sounds too good to be true, as existing in a simple and really u...
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Angelo,
I care less about the “commercially available” objectives, honestly it is too boring.
However, whatever you do not be distracted that what you are making will be reminding Avantgardes. The Avantgarde Trio Classic (in vertical configuration)...
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[quote user="MusicLover"] IF you can "hear" SS amps, Romy, then your system must not be well set up, and be sensitive to the frequency shifts caused by tube amps. SS amps have NO sound that humans can hear. [/quote]
MusicLover, could you elab...
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[quote user="jessie.dazzle"] Regarding cone movement versus rear chamber pressure : I understand that low excursion explains to a great extent, the advantages of horn-loaded designs, I just don't understand how something that "does not move", can gen...
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