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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="Paul S"]No "cost assumption" was made or posited about bearings, rather the remark was framed as a question, just wondering, likewise the very general remarks about belts (along with the closing disclaimer). If the air system is cheap, ...
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[quote user="steverino"]
"many tuning geeks today still find that [equal] temperament loathsome."Of course tuning geeks don't like equal temperament. And of course a capella musicians will settle into just intonation if they can get away wi...
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I am revising the architecture of my playback in context of benefits
of reverberation fields injection. Certainly, Macondo and Melquiades stay as
they are. I always had a pilot system that runs in parallel with Macondo driven
by a cold SS amp. I u...
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Romy, I am aware of your well-reasoned prejudice against audiophile/boutique parts, and I agree that they are by-and-large the first recourse and last refuge of Morons.I thought I'd chronicled this phono stage stuff so far, but obviously not in ...
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T, although I am not in disagreement with what you suggest but I have to admit that your expectation of user applications dose not make sense to me. I’m taking the use of a transformer in a system and getting a result out of it instead of building a ...
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[quote user="KOTriode"] On dynamic, the 6C33C tube showed its ability to go deep in the bass on Ray Brown trio recording of Soular Energy which is excellent for a 15W SE , the 845 amp can do better, but not by much, but probably because of its 25W ou...
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I am in academics. In this world it is no challenge to find people who want to tell me that they are right and everybody else is wrong.The problem with any scholar stuck in his/her theoretical bubble is that there is no room for that person to change...
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[quote user="Lx_"] The second sentence is my own conclusion. It was not my intention to imply that it is yours, sorry for the misunderstanding this may have caused. We both agree that PP can be sensitive to incoming AC. The context and circumstan...
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I can’t stress now much I am fallen in love with my new PP2000. I was playing it today all day and can’t not see any single thing that I would bitch. I perhaps is missing too much the sound of proper electricity but my feeling is that the new uni...
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[quote user="Romy the Cat"] Today turned the playback and I was surprise with gray and unexpressive bass. “What the hell?”- I asked myself. There was absolutely nothing done to playback but I look like I lost bass. My initials sentiment was that...
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[quote user="op.9"] One thing nobody has mentioned is using the room’s corners. Is this a no no? I’ve been trying use McBean to model a horn exiting into the corner – with a middle ‘mouth’ about 1m squared - and using a conical approximation as the r...
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[quote user="MochaMike"]A stereo three way horn system with a dual concentric 15" woofers backloaded to 50 cycles and front loaded with a short round tractrix horn 200-800 cycles handed off to the concentric 2" com...
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[quote user="cv"] Or build your own outer magnetic circuit as you are saying, retaining the S2 diaphragm, phase plug, pole pieces and throat.... [/quote]
If you read the thread form beginning then you will see that it was my original ultimate intent...
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The other day I was listening to a friend´s system with nice Avalon speakers, only one 10" seemed to be enough, of course it seemed we were playing house when listening to music, everything was small and very nice and pretty...Now when matc...
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[quote user="Jorge"] I listened to Romys old system, I am sure the new one sound better….[/quote] With everyone who comes to my place we discuss that subject: how audio installation in my new listening room sound different from the playback I had in...
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[quote user="Romy the Cat"]Eli, I do not think that it is PurePower objective to grab your money and to run. They are notorious with delays and it certainly might be unpleasant. With all due respect: 2 month delay is kind of nothing and if the unit ...
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Ari,
I do not think that we recognize the process of “audio designing” as the identical actively. It looks as you peruse to design an amplifier (for instance) as a conceptually well operating system where a set of deferential abstractly-measurable v...
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I’ve been thinking about all this electricity stuff…
I’ve stopped using all power conditioning devices since Bush got re-elected, and I consequently left the country to start a new life in the land of 220v/50Hz (this BTW, is not an exaggeration).
...
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[quote user="drdna"] It is not exactly correct. There is 60 Hz hum eliminated by lifting the ground to the amplifiers. The neutral is connected to the ground prong and chassis in the amps, so I assume it is setting up a loop. However, there is a seco...
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[quote user="drdna"]
Antonio J. wrote:Considering that PP2000 isn't plugged into a dedicated line and that line can be shared by other electric devices plugged into the grid, I wonder if the hum noise is getting into the PP2000 not from the gr...
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[quote user="Romy the Cat"]In the end I feel that the PP2000’s softness/politeness is not a liability but opportunity. I certainly not willing to go back to the softness/politeness lacking type of sound and I would like to make my playback to be able...
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[quote user="drdna"]I would not restrict myself to the idea that things need to be a certain way or a certain configuration of the drivers or ports based on theory alone. I think it is important to ask what is interesting about the sound that the new...
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Stefano,
I do not have any strong objection regarding to what ALE do. Bent bass horn are more evil then straight horn but considering the small throat of the ALE drivers and their desire to make it to work low the length of the horn become to...
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[quote user="oxric"] I believe that although you may be wrong to make a difference between ULF and the rest of the frequency range….[/quote]I know when I wrote it I would raise some eyebrows of the few readers of my site who actually are thinking...
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[quote user="rickmcinnis"]I learned of the union from the posts sent to my email box. Sorry to have to admit I have been lackadaisical about checking in. You had not been posting much the months previous and now I understand why.Wrote a note to...
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[quote user="Johan Dreyer"] I had a SG370 mid apart only yesterday.I should have taken a photograph. I have also seen the inside of the tweeter. They are very similar, so I have no reason to suppose the low mid SG 505 will be much different. I'll try...
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"another big selling
point to me was the 505 being a low resonance compression driver..
there just aren't many drivers with a resonance in the 80 to 100 Hz
range like this driver... I have just begun my playing, but am already
quite taken by it.....
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these are my findings about computer audio after some trial error:1. computer audio is very very hardware/OS/software dependent. computer structure is multi task (time sharing) and using it as a real time single task processor is not easy.even small ...
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All Acoustic System or let say playbacks has signature or some kind of own character of sound. That is normal we all accept it and live with it. It is important to differentiate a character of playback from major mistakes of playback, but it is a...
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[quote user="JJ Triode"]I listened to this talk up to the beginning of the question-and-answer session. I am surprised that this method would really capture the essence of Romy's almighty DPOLS condition. It seems to me that Robbins is very much cent...
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