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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="Marc HENRY"]hi all,thanks for your interest !yes the frame is curved, HF and MF are //yes there is a phase plug in the bass horn. This cover 80-300Hz.there is a separate infra-bass section, covering 20-80Hz.images of the bass phase p...
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My only targeted listening experience with DSP has been bad, including "modern" "reinforced" concert halls.I later found out from one new-ish concert hall sound guy that they always immediately "digitize" the sound specifically in order to "process" ...
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Hi Kodomo-You have made an ambitious undertaking. Congratulations to a brave decision.Can you please elaborate a little on your TAD implementation. I have used one on each side ,in 3 cuft sealed cabinets, first order from 60 to 150Hz, blending gent...
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Oh, good, it's you, N-set. This is a COOL idea! Maybe you can set me straight.The way I see it, to be significant, the full-spectrum sound recording alone would pose its own challenges, for sure. And what are the parameters for linear measuring, a...
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There is a very scarce effect in nature I will try to explain, a sort of sense explosion. One of this happens sometimes in food tasting.
When you have a very tasty, very good cheese and you take a couple of bites and it grabs your tongue and i...
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Is there any abstract value to going for a preamp with a stronger output if you're using a passive xo at line level?I'd prefer to answer this question myself but i really don't have the budget to be swapping amps.How does a PLLXO interact with a non-...
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Roman,Well, what can I say.Different parts sound different, like it or not.I agree the topology needs to be "right" first, but once past that you will be surprised just how much difference parts happen to make.However, cogitating about your current A...
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[quote user="oxric"] "The Macondo’s Bass Channel is line arrays. The arrays employ religiously-sealed enclosures with six “spotted” Scan Speak 25W/8565-00 drivers per channel... " Clearly you had written this at a time when you did not really underst...
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It is not unknown work to me, I never was hugely thrilled about it but I heard it today for the first time that I suddenly turned to like it. Ironically it was the performance today that I liked but rather it was a bliss to me, an inspiration why I d...
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This is our first offering; we are indeed working on another two higher priced models. One will have an additional channel on top, the other one will be front horn loaded down to 40 hz. Optional finish and colors, both for horns and supports, a...
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Thanks, Roman... I strangely (?!?) feel me like a schoolboy at his first primary schoolday... virtually ALL my (limited) audio knowledge, vanished... and I'm dealing with brand-new problems, like a crossover with fixed slopes and cut-off frequencies ...
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Sorry for that, the first tapes were pretty good and I got excited, some of the latter ones, well.I do not consider it a live format, but I want to have a few good tapes mostly as reference of playback.About digital I am happy to say that direct co...
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First, I cross over the Dannoy's at 60 Hz., fourth order Linkiwitz Reilly to a JL Audio f113 subwoofer. I get about 89 dB before the cone starts distorting. This is where the surrounds come in. As in the concert hall where, depending on where you si...
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For the past few months, I’ve been looking for a solution to a problem – how to recreate through speakers the same sound that I get through headphones. Why did I embark on this quest? Well although I’m quite happy with my headphones, I miss being...
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This weekend if I have time I will be doing the testing of my driver deciding which one I will be using. The framework of testing will be the following: a single driver, closed at 150Hz first order, mounted in infinite baffle and working along with M...
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[quote user="Antonio J"] INTEGRATION that's the clue and that's what I always feel lacks in my room, I mean extreme integration, real integration, the feeling that the recorded bass sound has its own boundaries, not my room's. [/quote]
I do not comp...
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Again, I do not agree with all notion of Rubber sound that Haralanov seeded. I can not speak what was in the situation that “be” described and 400Hz crossover. I do have the 8” version of 25W driver (I think it is 21W) and my feeling that it sou...
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[quote user="Romy the Cat"]1) HF channel. A120dB-sensitive hemispheric array of compression drivers, with a dispersion approximately 180° x 230°, sitting deep in the transition slop. First order high-pass.[/quote]Hi Romy,Why such a wide angle? T...
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[quote user="Romy the Cat"]I do not like the idea of batteries for anything. It is kind of ridicules to use batteries. Yes, in some cases there is some improvement on low voltage electronics but it is ONLY because the power lines are badly sounding t...
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The least offensive result I have gotten from a ported speaker was closest to the yellow option. I built a pair of small monitors with ports on the top purely because it was the only way they would fit. I cannot reasonably e...
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i have vitavox S2 and also altec 288c.i am trying to source the fane studio 8m,just missed a pair by 1 day on uk diy.until i get the fane and make a horn for it,i will use altec 515c in vot.i also have jbl 2405.yes i will definitely build the full ra...
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[quote user="Paul S"]Amir, what you say and the simple way you put it is indeed a very important consideration for speaker/amp matching, and it is something that one must actually hear and cultivate in the first place. Since there is no way to emperi...
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I have been running my nominally 8 Ohm speakers from the ML2s' 4 Ohm taps for quite a while, in order to keep the sound from getting squirrilly and to keep the bass strong enough.Today I used the re-capped/improved K&K phonostage as a source and ...
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Yes but you are still going to need a higher order slope than 6db to prevent unnecessary non linear distortion from the bass driver and then the insertion losses inherent in a PLL crossover become an issue. Higher order slopes and active operation wo...
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If you know how in some optical systems imagery get destroyed when an aperture getting closed to F64 or even smaller, then you understand what happens in compression driver when frequency get higher and spaces smaller. Yes, the proximity of wavelengt...
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Amir, what you say and the simple way you put it is indeed a very important consideration for speaker/amp matching, and it is something that one must actually hear and cultivate in the first place. Since there is no way to emperically quantify the "r...
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Nope, sorry, it does not make any sense for me. The use of Rowland amp I guess is fine if it being use for testing of the filters. Still if you use high-pass for your midrange horn then what resistor does in your RC filter? A first order filter, rega...
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Hi,[quote user="morricab"]Hmmm....I guess I can't really see that unless you are enjoying a particular coloration you are getting from the TVC.[/quote] Nope. On this you are wrong. Based on direct bypass tests the TVC's I USE (that is the specif...
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[quote user="el`Ol"]Romy, What happens when you use the injection channel with inverted polarity?[/quote] Unsuccessful. My Injection Channel (Tannoy 10” Red) is too with bandwidth and even at minus 10db is “talks” with HF channel of Macondo, which do...
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No, i really did mean a 4592nd midrange - it is a OEM version that I think I bought from assistance audio. There are various reasons I'm crossing over at 3k (more like 2500hz now) - first, the horns are 250hz and therefore too deep for high treble wi...
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