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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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What the most intriguing me in the new room is where the LF
will roll off. It would be wonderful of LF will run all the way down I was in
my Boston listening room but I see very little chance of it. Most likely it
will be a shortage of gain or pow...
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Regarding combined driver diaphragm area for ULF: Romy wrote: "...I disagree that using a bunch of 10" drivers is some kind of compromised in way. The six 10” drivers give me a surface of 2.3 18” drivers..." I recognize the relative and impo...
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Romy wrote:"... from the perspective of “reading the back side of the midbass speed bump” I would argue that it has nothing to do with horn loading. Look at the notion widely. I would propose the following...""...An abstract ultimate playback system ...
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Ok, I loaded the S3 driver into the new multicells, use my extra of bas sections as a pedestal for multicell, connected 2 extra bass channels to ULF amp and the multicells to full range amps with no crossovers. Yes, I got a VERY good width and th...
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The lower bass configuration in my room is a bit interesting below is the bass diagram (under 50Hz)
As you can see the allocation of hot bass sports is superbly favorable in the room. There is pretty much no bass anywhere in the ...
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Hi
[quote user="Romy the Cat"] ...this relationship between the “fussiness” of HF and the presents of ULF is very characteristic. [/quote]
Certainly the HF is very important to portray LF...
[quote]
When you get tout out of playback it’s LF...
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Why not? Wilson for many years each 2-3 years updates own flagman. They had Grand Slamm’s number of revisions where they constantly change tweeters, other driver and resistors in crossovers, introducing new rounds of opportunities for the custome...
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[quote user="Paul
S"] Shaking from ULF is another matter. [/quote]
I think if such a woofer “ignites”
shaking within the attic then all bets are off and it need to be avoided by all
cost. To do “right” thing I would put pneumatic decompiled be...
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If you think that I am not an idiot then read further. I have been looking at my Macondo calibration
check sheet above and I have that stupid itch in my brain that scream to me: “ Romy,
my God, the two drivers in own sealed enclosure at the left c...
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Another very interesting aspect of the Water Dropping of Macondo is a dramatization of silences and influence of LF decay. Macondo has no own noise and the Super Milqs are dead quiet. However, the perceptions of silence with the Water Drop tweeter an...
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Spend a few hour last night and have all the things connected and laid out in the way how I think would be “properly”. It turned out to be noise and elegant. I changed the location of the components to make the shorter paths for power cables and for ...
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I separated my two of my PP2000 in my rack with 3 feet space and run everything from one PP2000 and both Milq power amps from another PP2000. I also routed the incoming power cords that that are far from each other and far from outcoming power co...
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Xandcg, I did not see this thread below. I would not comment
on 5x10x14 vs. 4x8x12 rooms, the answer is obvious,
What I will comment that the scenario you propose is very close to ultimate configuration
for Macondo-like acoustic system. A few this...
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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="Romy the Cat"]Make the full-range and then you will see where you are.
Still, I feel that for MF channels it is beneficial for do with a good DHT output
stage instead of 6C33C and perhaps it is a good idea to use DHT driver as well.
S...
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Let me tell you a bit about how an why we designed the midbass horns the way we did.A few years ago we discovered the tractrix horn for MF use. It was really the most important improvement so far. No more honking exponential horn sound.The improvemen...
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Wify was asking me about my ideas about midbass horns at one
nice property that we looked. Her innocent question made me to think. I do look
at my prospective listening room from point of view of introducing midbass
horns. I am not planning to mak...
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[quote user="Paul S"] Many of the expensive power cleaners and regenerators claim that they do not limit current. None the less, many of these devices do seem to go into a swoon as current demands increase. We all remember the days when these d...
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[quote user="Romy the Cat"]With lower then rate frequency Fs is also
is very simple. If you refuse to make own experiment and confirm the unloading
the bass from horn make difference then try to look at the subjects purely intellectually:
why you ...
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[quote user="mats"] As I write this, WFMT is playing The Planets, Sir Andrew Davis conducting the BBC Phil, and it is rather amazing.Complex passages resolved as I would expect were I using my Goldmund transport.I prefer the digital out, 24/48 ...
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Today I spent a few hours to calibrate the Macondo and Milq.
One of the drivers from Macondo was gunner and the rest was more of less stable.
I did some initial measurements. It was not impressive. I do have approximately
3-4 db deficiency on left...
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I made first set of test with one PP2000 vs. two PP2000 driving my enter playback. All grounds were lifted on the load side. The presence of second PP2000 did not made sound bright as before, the second PP2000 sits sufficiently far from the first...
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[quote user="unicon"] 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 EQ
it just cures the sound pressure in a single spot(listener) and possibly ca...
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This is terrific information Ulf. Thank you very much. I won't start builing until early december but will post the project here.
Plan to form my horns from microcrystaline wax first, so i can experiment with throat termination. I have a background...
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I setup on Macondo/Milq back
by the calibration sheet and tine up all channels. The system up and running with
perfectly trained obedient sound. I like it. There is no tweeter and no ULF The
midbass is running with first order filter at 78Hz, in t...
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Ulf, are you still around?
I would be interested in an update on this project.. are you listening to this setup a year later?
I have a pair of these same drivers (TAD tm-1201) sitting new in boxes and trying to determine what horn profile, tractr...
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I am usually not a big fun of somebody refer to eBay Items and I myself do it very seldom. Still, here I am as I think it is an interesting deal for someone. There is a guy out there that is damping a few of Aura RS-8.1 bass modules.
htt...
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A few days back a local audio guy come to my place, heard some music and I played and said something that did not expect from his level of audio intelligence. (I wonder if it was the same guy who advised me to write a handbook “How to make friend...
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tarted to mount the open baffle for ULF channels at my
attic. The system is fully operational,
not time aligned yet to the degree that I would like it to be but I'm going to
tell you: that Tannoy Red 10 is something that makes everything so sweet...
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Well, I kind of begin to think what kind LF solution I might
have in the new room. The ULF might be fun to load on the ceiling in the way
how I described above. For the midbass I most likely will go for the
line-arrays with my beloved Scan Speak 2...
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