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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"] ygoh wrote: 1.) Why is it that you do not support using teo compression drivers in the same throat? Is the distortions increases, such as wavefront distortion? Sure the wavefront gets spread; it is what Wi...
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[quote user="op.9"] Amir wrote:Hey , I judge the sound by myself , you judge the sound by yourself but we could have common area in our view if we be trained listener, do not search criteria if you believe good sound really exist. biased opinion is b...
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I am adding to what Romy just posted for me. See the below for more information about tapped horns.Rgs, JLH*******************************************************************So, what does a tapped horn look like? There are several ways to fold, b...
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Yesterday I removed and packed all tonearms for my turntable and thoughts about tonearms flew in my head.
It is know my admiration of SME 3012 tonearms, which I consider is good enough do not look for anything better arm. A few year back SME m...
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With a bit of luck I will manage to include a coulple images referred to in my previous post :
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Potentiometers:
Paul S wrote:"...I could not get the current below 390 mA, even though the pots still turn freely
... How good are these pots? Do they actually have "stops", where they won't turn any further? Again, I ask because it...
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When listening to stereo, we initially have 4 images to deal with. Th right speaker to the right ear, the right speaker to the left ear, the left speaker to the right ear and the left speaker to the left ear. Broader images can be made when we “cance...
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I have drawn up my 20Hz subwoofer horn in Google SketchUp 3D. This horn is more for home theater than for music. My smaller 40Hz loaded with B&C Speakers 8PE21’s is more musical and articulate. The 20Hz tapped horn is loaded with two Tang Ban...
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I know very little about this composer. I've got just three discs, two of his suites excerpts (Masquerade, Spartacus and Gayaneh) but none with any complete suite, and the violin concerto. I find his music very expressive, romanti...
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I am looking at those images and a bit puzzled. Do the tweeters attached to their mounting board under an angle or they are paralleled with the mounting board? It is very difficult to judge from those images. It looks like the tweeters attached to th...
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Hm, the 18mm out of 50mm in “fully in-gap mode” for Aura? It sounds too bad. The last time I touched this subject it was 6 years ago and I remember I had better impression in term of the numbers.
I just looked at the Aura page:
http://www.au...
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Ok, once I got pin 8 connected to pin 1, the curves came out straight. Here is the true pentode plot at 200V screen, 0.5V/step:[img]http://www.hagtech.com/blog/images/7788-04.jpg[/img]And here is my new data sheet plot for triode mode:[img]http...
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My observation about video data was in the context of 2D images. DVD or film has a succession of individually static frames or pixel rasters; it does not attempt to provide continuous 3D images. Those are vastly more difficult to produce and involve...
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This week Boston was blessed by Carmina Burana, the Orff’s and the original one
http://www.bso.org/images/program_notes/songs_from_burana.pdf
http://www.bso.org/images/program_notes/carmina_burana.pdf
I was listening the Friday’s live broadcast ov...
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[quote user="twogoodears"]I've been an avid original soundtracks and film music collector for most of my life, and still I didn't find the PERFECT music for a movie... the classic, Alfred Newman's, Rozsa's, Hermann's, Williams', Horner's... them all ...
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[quote user="Romy the Cat"]
doug s. wrote: i have never heard the rel. but, if you want to hear a tubed tuna at its best, pick up a sherwood s3000ll or later, get it serviced, and run it thru one of your mpx decoders. or get one w/a built-in sh...
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Ok, so it took me awhile. I finally got around to doing a design around this tube, believe it or not, as a driver for a 2A3. It just seemed right. Bought some 60's vintage(?) Amperex "PQ" on eBay. Well, here's what it looks li...
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[quote user="Romy the Cat"] samuel33 wrote: …. I can't stop laughing when I read your comments about the audiophile mafia, you are so right.
Samuel, it is important, reading my self-obsessive rage about the industry, do not take the things out...
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I couldn't figure out where to put this but this thread came to mind. ( a post which i loved by the way)tube phase plug from Decware. http://www.decware.com/newsite/images/dfr6%20006.jpg I actually used to appreciate this guy.. partly because he didn...
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CD-1124(2) J.S. BACH: THE FRENCH SUITES. BWV 812-817, selected Preludes, BWV 923, 999, 815a, and three Preludes from the Well-Tempered Clavier, performed by David Cates, harpsichord. CD1 49:38; CD2 45:22. DDD UPC #0-17685-112...
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Here's how I'd make a hard rear cover/rear chamber.I describe the process in detail, as it is a good investment of my time; I expect to have a similar condition and requirement for my own mid-bass horns (intended for use with AK-151s).This approach c...
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Here are some real world measurements made at the 2007 NYC sub shoot out. The distortion numbers and characteristics should help us understand the difference between tapped horn distortion and conventional front loaded horn distortion.
The fir...
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http://home.flash.net/~park29/koussevitzky.htmAnd in a nice big box:http://www.amazon.com/gp/product/B00005TS0B/102-0376091-0067332?n=5174Along the way I found this appreciation of K's Rachy 3rd:
My Favorite Stereo 3rd, April 19, 2005
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[quote user="jessie.dazzle"]I could not agree more. Above a certain price point, another thing that should be standard procedure is what Lamm has been doing since day one; and that is to establish a file for each component made, recording whenever p...
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I have some Cortot and some Michelangeli - somewhere - but I am not sure if it includes Debussy, because I have not been able to stay in the room with most of the "Images"-type of Debussy rendered by most artists, most of the time, so I ha...
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actually this is not so much about horn loading ribbons as it is about curving them, but also horn loading. look at this horn: http://www.pioneerelectronics.com/pio/pe/images/portal/cit_3442/35960TH-4003_s.jpgnow imagine a ribbon of approximately sam...
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[quote user="item"]
Romy the Cat wrote: oxric wrote:By analogy, an Item Audio equipped with an optional blu-ray drive would serve precisely this function. It would spin a disc, extract the data and code it so that it is available for the next stage...
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Thanks, Stitch. I looked through the pictures. This guy is known to travel audio events and do very nice images, I call him Asian Federated Mike. I did not find a lot of stimulation in the images, at least by juts looking at the images of the pro...
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Listening to the horns, it seems that they indeed die somewhere below 120Hz. I was surprised, and a little disappointed that it seemed so steep. Good to hear that it's to be expected!!Yes, I'm using a 30-something-Hz 1st order high pass on them ...
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[quote user="Romy the Cat"] Celsius wrote:The problem is that my target is drive a 211 as full amp, and my CD player give a litle bit more than 1v to grid. What do you think 1V x 33times x 2.8 give 93ppV enought to drive the 211. Well, you nee...
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