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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Hi Keith,Interesting experience you have as I have found running my 505TT with the 160hz le'clech horns between 320hz-1200hz (with first order slope) works best for my setup and using my 15" goto sg-38wn woofer to play under 320hz (which sounds very ...
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RomyIt's topical to ask, since I'm building a 4-way system at the moment ..( Tapped horn behind and three-way horn system in front )Do you favour the tweeter horn to be placed at the top, above the mid/HF horn , or in this situation place the tweeter...
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Methinks that Mr C is correct in that the SPU cannot be deconstructed as I asked the same question elsewhere and got shouted down. :-( But hey, maybe they were minor league rookies and some major playa has the answer.... By the way ...
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Perhaps I should have mentioned before that the K&K is another spin-off of the well-received Arthur Loesch RIAA network. Also, the K&K's gain scheme is based on "classic" microphone circuits. While I am not say...
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Romy Hi, Raplh uses a 300b push pull, but the power supplies are massive, parts alone 15K Euros, each channel has a separate supply, the pre-amp again two massive power supplies , he prefers to use eight of the horn loaded bass bins, although I...
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My other love and career has been as a metal sculpture so I like to mix the two. It gives me great pleasure to see cool looking audio while ensuring that it sounds a good as possible to my ear. Using 4 of these tubes in my next build, I would like ...
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I had my visit in Munich yesterday and the Cessaro´s performance was totally different. Tonally without any compromize, so it was a pleasure to stay in the room this time :) Unfortunately very much on the muddy side. I think I start to understan...
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[quote user="thorsten"]Designers like Kondo San spend many hundred hours "voicing" their Amplifiers, allowing a blending of a variety of colorations together in such a way that the overall sonic impact is quite small. For many others (amateur or prof...
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G10 also makes a nasty mess after you've cut it, get's all over the machine, fine "stuff" in the fluid... nasty to work with unless the end justifys the means. so it's fun to bitch @ anyone wanting to use it, that the only thing gain...
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[quote user="decoud"]Still partially wrapt in mystery, but here is potentially the first SS DSET:http://www.firstwatt.com/sit1.htmlI say potentially for that is not naturally Pass's direction, but each monobloc is designed to be tunable to its specif...
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These days I am traveling frequently and relegated to listening to music via headphones and "portable" sources. I will briefly post my brief journey as a personal log. It might provide a starting point for those who might find themselves in the same ...
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[quote user="joaco"]... this last time ive been doing some "ear" experiments and trying different setups of filtering . Just a question regarding a phenomena that im having , ive tried some ups/on-line regenerators and I think they tend to "smooth" a...
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no- there's no reason why it wouldn't make sense NOT to give 'er a crack-- at worst, i wouldn't like the results!i guess the difficult part really is sorting out measurement vs. hearing- tricky at best! trying to assemble sense from possi...
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... through an asshole is shit.For a total of $250 and a couple of days work I was able to get much better sound out of a cartridge I paid $5K for. I understand Fremer is a jerk but in this case his article was certainly worth the time I spent readi...
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I understand this is a "popular" piece of music (popular for classical music, anyway), but I never really got into it the way I did Brahms' PC 2 and a couple of others. But this piece came on my clock radio on a Sunday night, and I later learned it w...
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It's ironic that some of us have spent a lot of time and effort building a vinyl playback system that clearly reveals the differences in the recording curves. How sweet would it be to twist an otherwise-non-intrusive knob to set the playback curve co...
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Of course you can do it all by ear, and I found that there were times when "my ears disagreed with the meter". As you note, signal strength and "quality" also relate to "mode" (such as Multipath), and not only broadcasts but also tuners vary as to wh...
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[quote user="Paul S"]Anthony, congratulations on getting your project to this point! I mention without referring back to your schematics, I think you will be glad to have test points, along with variable resistors (trim pots) to re-set operating poi...
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Hi Roman,[quote user="Romy the Cat"] the S&B unfortunately does just gain, nothing else) but for the money S&B do OK. [/quote]Then it does exactly what is asked of it, I asked JB to design it for me PERSONALLY as a "wire with gain". I have be...
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In Macondo/Melquiades thinking, random process means random result - and that is exactly what happened with Dunnoy. A random driver was placed in a random cabinet with a random passive radiator and random cabinet damping. All subsequent attempts to r...
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Chirag, I have some other guys who were asking about the 834P schematic. I just got home and made a picture of my manual with the schematic in it. I do not know if it’s legal. It sort of none-commercial site and I did paid long time ago for my first...
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Do you think you would lose the ability to hear stereo properly and that for the Van Gogh type person Mono is as sufficient as stereo? I am not sure that there is, deep down, that much of a difference between properly implemented mono and properly im...
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MFA e-mailed me aknowledging that I was perhaps going to try the DIY way getting a "raw" transformer from S&B and offered me assistance. The "problem" is that their unit with a gain selector and load selector is way too expensive for my budget (1...
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With regards to the links, as it happens, I totally agree that 15in Tannoy Reds struggle to handle complex music. The crossover is too simplistic and the cones too hard to control with a low power amp. Reds can be lovely in a simple vintage system bu...
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For some time it looks to me like "the industry" has been sliding into a sort of Audio Dark Age. However, "the industry" continues to use more or less the same approach to promoting their stuff that they've always used. Certainly, despite the insane ...
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Paul,I first got into the geometry of playback after spending some time with John Eargle when he was at Delos. He had a simple microphone setup and demonstrated how to record and playback a 22 meter stage, or 25 or 16. Many of his recordings at Delos...
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Brian,Microphone diaphrams, headphone diaphrams ,dome tweeters, all have to have the pattern applied with a technical pen i.e. Kohinoor or Mars. These are becomming a little difficult to find in all towns. A 50% mixture of Poly S and water should be ...
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[quote user="Paul S"]But now I am stuck thinking that if the DSP/LF amps curves are aimed at 19 Hz, and 19 Hz is limited to 88 dB, then an equalized output might also be limited to 88 dB before clipping and/or "unacceptable distortion" from the LF co...
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I do not think my topology is relevant, (it took me 3 months to get my studio horns to sound right 20 years ago so I expect this again, it is a mix of mjlouspeaker transmission lines and this midrange m4 trial. And it is actually 2 systems I am w...
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Important thought I need to share with you all: try to make every piece of acoustical treatment accessible and adjustable for tuning by ear. This is perfectly in-line with acoustics theory by Skudrzyk (??????) and the great Wallace Sabine who defined...
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