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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I think it is about right. The 6C33C for upper base has 100K
biasing resistor and 20K to ground in Lpad. That would make ~60Hz. This high
pass that unload the LF from the horns that it can’t handle is very important
as you do not want driver to pr...
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[quote user="Romy the Cat"]I think it is about right. The 6C33C for upper base has 100K
biasing resistor and 20K to ground in Lpad. That would make ~60Hz. This high
pass that unload the LF from the horns that it can’t handle is very important
as y...
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…is to see how the Red Wall will load the room. Following the context of my Imbedded Macro-Positioning subject:
http://www.goodsoundclub.com/Forums/ShowPost.aspx?postID=4421
it would be very interesting to see how the out from th...
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I think this subject should be collected in its own thread. It is interesting that both Romy and I have just got the Behringer DEQ 2496 to try in our systems, so hopefully there will be some data to report here.
It was previously said that the DE...
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[quote user="slowmotion"]Romy, there are more ways to the top of the mountain... <BR>And we already know that your way isn't my way... <BR><BR>You bring up many very valid points, but still I will continue to use my digital crossove...
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I spend quite a few hours playing with the new channel trying to ingrate into Macondo but so far not successful.
Since the new channel and the Macondo upperbass horn have identical sensitively and identical impedance I figured that I would drive it...
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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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Jessie, there is another solution that you might consider, that might be viewed as compromise for one-side as might not be view is compromised from other side. If to allowed ourselves to close eyes to midbass timing-integration and if the geography o...
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Quotes from Romy in blue: "...Anyhow, I do not know at which stage your project is what I think you are somewhere in a process of integrating the drivers..."I would like to stabilize the system, and listen to the existing horns, while ...
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Romy,
Thanks again for your comments.
The RTA and filter mods over the past few days have driven me straight up to the local café to chill out; they have WiFi here (this being France, still no internet at the house)... I will be brief.
Regar...
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I really do not what is gong on there and why. Thorsten's comment that line-level crossovers do not act like speakers’ level crossover confirms what I feel and what some other people suggested me. Yes, the reactance of the crossover component, the in...
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Rich,
I think it’s too early to seriously to talk about sound of your driver. As I understand you have no horn for this thing. Your comment that the driver goes all the way unto 8kHz clearly indicates that you used wrong horn before. If you stick a...
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No question the Behringer has a ton of functionality, especially at under $300. The simple RTA is useful on the fly. I think and hope this tool will help with the MiniMe development.
I always wondered why the DEQ sounded so veiled but suspected ...
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I keep discovering that Melquiades possesses a lot of things that I have absolutely no explanations. It almost sounds like a Bermuda Triangle of audio amplification!
For instance today I discovered a totally strange thing: Melquiades does not care ...
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[quote user="Romy the Cat"]
unicon wrote: el 0l if you could understand the basics about how audio waves especially bass range acts in closed space you wouldnt even bring the name Bass EQit just cures the sound pressure in a single spot(listener)...
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[quote user="noviygera"] I want to listen to both 12db/octave and 6db/octave passive versions and see which one sounds better. And keep the one that sounds better. [/quote]Herman,
It depends what you would like to listen. If you would like to ...
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[quote user="Hugh"]The rewards of ideal speaker placement is something I've experienced as well and perhaps is related to DPLOS or possbily audio-moronism. While not easy to find or predictable between speaker brands the result is consistant.&n...
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[quote user="danvprod"]My objective is to create a system that is able to emotionally re-create music in a powerful and realistic way. My greatest memories are playing in orchestras and sitting in the middle of the violin section with a hundred o...
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My current speakers are Edgarhorns with the straight 80hz upper-bass shell. The bass never sounded correct to me. The problems with Edgar's mid-bass are well documented at this site and elsewhere. I tried some simple modifications to the crossover...
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Romy wrote :"...It is most likely that you changing the yours crossover to 4800Hz introduced a phase shift that accidentally “clicked” with the neighboring channels...You might look at the differences in imaging since you changed the crossover..."
H...
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Ok, I did play today with the MiniMe. I have to tell that then it turn black I kind got soften with it does not look to me as large and violent as I initially thought. I made some measurement and some listening. I peaty much know what I want to be an...
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I'm wrapping up my horn building activities and have some leftover items available. 1) Edgarhorn 80Hz Mid-bass horns - Pick-up in Seattle - $350Condition - 8/10 based solely on age. No visible imperfections. They are in the identical condition as...
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[quote user="zanon"]….what are your thoughts on these "escape" areas that essentially unseal the listening room? [/quote]
Zanon, I do not have general thoughts. I do not particularly believe in the generalization but rather in the specifics an...
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In the linked there above “Barn Conversion - James' Project” I have expressed my attitude toward low frequency bass. I certainly not “against” bass horn it but have “concerns”. The “open bottom” concept that I invented for myself is always make me to...
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I spent a bigger part of day today to finish the “End of Life" Phonostage, there were many things to do but it is now over. Done! Complete! Amen! I it closed up and sat in it’s permanent place.
A few observations looking back. First, I spent a LOT...
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[quote user="jessie.dazzle"] Its still not perfect, and I had the mic 1m from the membrane of the driver (had not yet read Romy's last post where he recommends putting the mic back at listening point). [/quote]
I would like to stress it again that t...
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With exception to the fact that I have no bass my new room did not give me a lot that I feel might be qualified as strange. I still do not know this room as good as I knew my old room but I will be there, it is a derivative of time. It is not tha...
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[quote user="morricab"] Interesting test you have conducted. Were the responses mostly unflat near the frequency extremes or was there variations even in the midrange? The reason I ask is because if you look at most of the published curve...
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[quote
user="koh123"]Upon reflection I forgot that we ultimately listen to
the sound produced and not the beautiful computer simulated SPL profile.
So I went back to old school thinking and re-generated the mid-bass tractrix
horn with the mouth ...
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[quote user="jessie.dazzle"] Though the frames have wheels and roll very easily, my room is cursed with an elevated platform smack in the middle of everything (about 14 inches higher than the main floor), and to move the horns up on to or down off of...
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