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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I understand that with my desire to have 2-chanals instead of 34.6 channels for my video room I am bit off the bitten path but it is what it is. I am comfortable with what it is and as time goes by I more and more form my objective and my interest in...
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Hi Romy,thank you for your answer. On weekend i will rebuild my amp for the 6E6P-DR. You are right, the tube datas shows that pin 8 is a screen. On D3A pin 8 is Grid 3 connected to screen.I will try it with pin 8 lifted and connected to ground. I hav...
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Romy, You make all very good points. I probably shouldn't call the front of the driver a phasing plug, because actually the long wavelengths really don't care much about the shape of the exit, they will just pass right through...
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AlloI didn't say this explicitly but the audibility of the power supply might support the theories about the flux modulation being bucked by the combo of coil and PS.I mostly wanted to mention the layering idea and - ah yes, that was it: see if you c...
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Hi Romy,
FYI: The previous photo of some unknown persons "pile o' horns" appears to be:
Upper midrange: 1" TAD TD-2002 mounted to 650Hz Edgarhorn
Supertweeter: Fostex T90A or T925A.
Lower midrange: ...
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[quote user="cv"]Little suggestion should all else fail - you could have a rudimentary phase plug machined that would give you the same (or similar) compression ratio as the original but only one annular exit path. This might preserve the driver char...
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[quote user="clarkjohnsen"] And what they were doing, at CES 2006, was fine indeed. [/quote]
Nope it was not. Cogent sound was not near as interesting as it could/should be, and the Cogent boys know it, or at least they are slowly learning it.&...
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[quote user="Paul S"]I recieved and accepted an invitation to hear an earlier version of the Cogent speakers, and I was subsequently asked for a considered opinion of the sound. I guess the designers had read from my posts various criticis...
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The big RCA field coil is the best thing about the Cogent system. It has great "promise", based on what I heard. Although their methods of "developing" this driver seemed confused to me, they do have truly encyclopedic knowledge...
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[quote user="Paul S"]I have not tried the Eichmann, but I will do so in the near future. It seems stupid to me that they do not make a Ag socket.[/quote]Yes indeed, and I'm very much reluctant to have a free-air (i.e. not soldered) connection betwee...
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I think I have had enough time with this phono stage now to make a few remarks about it. In keeping with the spirit of this website I am not recommending this component, just reporting on it.
I got my unit off AudioGon after keeping my eyes pe...
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[quote user="Saturntube"]Well this is the RCA LC-9A It is identical, with an extra cabinet for an 18" driver... We saw some old time reviewers going out of the room laughing and shaking their heads! We thought they were saying, yes a 50 year ...
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to reel from 7 volts or 700 volts is equal to the reel. should rather ask why or why 7 or 700 volts. should be asked how you intend to use the horn driver, you should ask graphs of frequency response and power handling. build a field coil driver is ...
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Hi all
The WE 555 is IMHO an interesting driver, made for a very spesific use,
which is driving a "full-range" horn in the theatre.
As we all know, the wide range system with Jensen 18"woofers and Bostwick tweeter came later, at first the 555 an...
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I don't mind talking about the "soul" of tubes. In my experience, the Kron 2A3 is vastly better Sovtek, etc., and better than NOS RCA 2A3 in my opinion. It has much more "soul" -- to the extent that listening became rather dull without it. I was shoc...
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[quote user="Romy the Cat"]Stefano, it is funny that you have mentioned the “an old, little cinema in a small town”. I do not know if you did it unintentionally or you meant as some kind of sarcastic self-deprecated joke. What I mean is that the init...
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It is imposable do not love Giacomo Puccini. Would it be possible do not be in awe of Tosca? Among the numerous performances of this opera that I have on my shelves there are many great. The De Sabata’s La Scala performance from 1953 with Callas, Di ...
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Hi Romy,Well maybe it is that the answer. My mono is pierre clement eb 25 broadcast cartridge, the original not the contemporary remake. The output is extremely high, almost overwhelming my phono amp I have the impression. Also, it tracks very heavy...
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I have been adding and reconfiguring gear recently and I will be needing a 6' digital cable very soon, when I add batteriy power, so I just went ahead and bought one of the "Synopsis" remainders Romy mentioned.This $5 discontinued Belkin blue ca...
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[quote user="Paul S"]I have a few old 6-eyes that are among the best-sounding LPs I own. I cannot say this of the older "solid label" Columbias; but perhaps they just want more careful VTA to get the best from them? The older LPs were not yet made o...
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Stereo is only as good as the width of your head,,,Both visual and audio...Of course locolazion diminish,s as you sit back further,, Hall ambiences will eventually take over...If you are the conductor you get a different perspective,,,And PERSPEC...
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Over 10 year later, I finally "finished" and installed a shielded version of the above cable for the short run between my phono SUT and my phono stage, replacing the nondescript Placette cables I've been using there all this time. As anyone experien...
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[quote user="Romy the Cat"] Tim, it is all very interesting and I would like to learn about the Proteus’ inner wire juts for a sake of general education on the subject. However, I would not go for a duplication of what Purist did. Doing it you will s...
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Rich,I have been experimenting with true Litz magnet wire (we use it in our transformers occaisionally) and have discovered that you can use discreete amounts of plastic dielectric material, spaced down the length of the wire, to "tune" the dynamic c...
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The transformer in this preamp was given from a friend who want to learn how to wind transformer. If I remember correctly it started out as UBT, they were bought (when UBT was operating in the Silicon Valley) at the company swap meet. They were rejec...
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I find this project so fascinating. I find it particularly interesting because one of my first experiences of good sound involved a field coil driver. Many years ago my grandfather bought an old hammond chord organ(predates the b3 and other...
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Romy,To clear up a few things about the Kilimanjaro RCA1428 clones.The B&C DCM50 is a modern, neodymium clone/copy of the RCA MI-1428B. It was designed and built by B&C in Italy after Bill Woods of AHhorns talked the CEO into it. The DCM50 is...
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Apparently it still happens: good electricity during the day. Wifey went to the fair with a granddaughter, so I took full advantage! If forced to guess why the electricity was good, I'd guess that the nearby school is out, kids are visiting relativ...
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[quote user="zako"]Hans Vonk is also my favorite... It was Slatkin that built up the St Louis Symphony orchestra,,and passed the batton on to Vonk when he left,, VONK and the STL.,,,did a special concert for PBS TV of Carmina Burana,,,The chorus and...
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I managed to get a hold of a decent demo copy of RCA LSC-2413 (stereo), which features the 1960 iteration of the Juilliard Quartet playing the perennially-conjoined Ravel and Debussy String Quartets. Despite the Juilliard's reputation of fast play, ...
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