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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Believe me or not but since last spring when I undertook the single-amp conversion and went for the six-channel Super Melquiades my playback never sounded as I would like it to. It was better or worst but it was never how I meant. The last week the t...
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[quote user="Romy the Cat"]The events of the last 3 days are incredibly stupid, incredibly interesting and very educational. During the last few days I have discovered some very interesting phenomena, ok might be no a phenomena but a behavior, th...
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[quote user="Paul S"] Do you find equal benefits from the same oops levels (and/or placement) with all types of music at all listening levels? [/quote]
I did not detect any fluctuation my “oops” desire with listening levels. The Injection Channel is...
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Thanks Romy,I was hoping to hear that you remain happy with your midbass solution and was surprised at the time about the small cabinets that you used for the Vitavox 15"ers, but having measured T/S parameters of the drivers here I can see that indee...
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To save people from researching the differences between Romy's and my systems, I'll note the principal differences here, ignoring our ongoing mid-bass projects, which will be different, but both are incomplete, so not yet in the picture.As concerns t...
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Howdy all,I have been playing with the Dunnoy concept since Romy discovered it and I agree that it is a very good improvement for Tannoy bass.Dunnoy with reverb injection is a phenomenal experience. I have gold drivers not red but I tried both 10s an...
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[quote user="Romy the Cat"] PP3000, probably because more HF attenuation, exposes more texture in sounds. This is what I did not expect. [/quote]
Yes, it is. Now we are getting somewhere! Those “exposition more texture in sounds” turn out to ...
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Jessie, I pulled posts from Macondo Axioms thread and encapsulated them onto a new thread dedicated explicitly to your project. I hope you do not mind.
[quote user="jessie.dazzle"] This would impose a design that is not round but octagonal. It would...
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[quote user="el`Ol"]I wouldn´t talk about "wrong polarity", rather about "dislike of the resulting harmonic spectrum". Wonder how the result would be with phase-correct FIR filters for the RED.[/quote] El`Ol, it is not how I see the sings and I talk ...
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[quote user="rowuk"]Row 15 means a bit diffuse, slightly rolled off, big soft bass. What is decisive for me is ... keeping artifacts like recorded intermodulation and articulation as natural as possible ... A car stereo or Bose portable USB speaker g...
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Ok, now it looks like the amp is operational. I was listing today the individual channels (without tweeter – the 175:1 transformer is coming). The channels do sound very promising… here are some sweeps with the filter on. All channels use well warns ...
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Jorge, from your posts, I gather that you actually listen to your results. So you realize there is no way to predict what Haralanov's driver would sound like in (your) horn... except...As Romy has said, "articulate", tone-rich direct, paper drivers...
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I'm looking to internally wire to binding posts on exterior of box from woofers in a sealed cabinet. I was wondering what are some options for wiring that will not be a hinder. Would a heavy gauge copper 6nine's copper be sufficient? I'm using so...
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Ok, it turned out that I had all caps and coils "in stock" necessary to adjust the filters very close to Romy's recommendations.Its still not perfect, and I had the mic 1m from the membrane of the driver (had not yet rea...
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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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So, the first DSET is still downstairs on the electronics bench and I am back to work for a while, but not too hard and not for too long (I hope). I've added all the filters and checked and tested and changed some more things and decided that it was...
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As I said above - the myth of my easy replaceable tubes for my MF channel got evaporated. Sure, it is physically possible to plug in those 2A3, 45 or 4V tube and they all will work fine but Macondo will not tolerate it. In fact getting now the p...
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[quote user="drdna"] This is why the discussion of the Injection channel and the use of the loudspeaker like a resonant musical instrument is so apt. [/quote] Indeed, I did not realized that I shifted my thinking in this thread and an in my general v...
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[quote user="jessie.dazzle"]I assume the above illustration is not indicative of the way you have the Tannoy Red aligned with regard to the other drivers... [/quote] Here is the actual picture of the Injection Channel, installed and time aligned.
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Yeah, they are my own experiments so I am the only one that need to care. They are based on your earlier work, so I felt like writing and tell you what I am doing with your ideas. The drivers we use may be superior or inferior. As long as mine are t...
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While my attempts at this stage are very crude by comparison (injection channel experimentation is not yet a main priority), I have from time to time listened more with a very crude sort of injection channel plugged into the system.
With this devi...
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Thank, Paul, interesting links. What is necessary here is to do some critical listening with the idea proposed above. It would not e any measurements but just subjective listening. I am not a huge to of do it on line level and I think the speaker le...
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Thanks for sharing, Romy! "Micro" and "macro" "schematics" would be a nice adjunct, to show how you hook up electronics and speakers, as well as speaker positioning. Of course, lots of recordings are treated with synthetic reverb, so those are gettin...
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We had some background for the video on this site, I think, some of it, perhaps, starting with the injection channel, years ago. I do wonder how much a "cold call" viewer, with no "background" of this video, would take away from it. I hope we will fi...
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Bill, if one assumes headroom for satisfactory peaks, and given the rest of your set-up, it "sounds like" you are effectively using your Dannoys to butter up the overall sound, like a sort of improved injection channel. As for all the sand, perhaps l...
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[quote user="steverino"]You would need to keep the other components the same to test them all but that would inevitably favor some TT designs over the others...[/quote]Spot on. Loads of hype, a bit shy on the experimental proof. It starts out with a ...
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[quote user="zanon"]My question is this -- in playback, how do you limit horn honk to just brass when there is no way to separate the instruments playing in an ensemble? Honk from strings for example sounds like crap. [/quote]
You ask me as if...
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Pretty clean, Romy (and one hellova tranny at Fundamentals)!Of course, I have questions:I thought you said Vishay metal foils in your earlier response about bias adjustment?If so does that mean steps, or... how, exactly?When you specify "Full" ...
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[quote user="oxric"]I would have been tempted to maximise space above for use by 4 midbass 15" drivers, 2 per side maybe in separate enclosures you can can move each module independently of the other.But probably too late for that as you have ordered...
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[quote user="AOK_Farmer"] Here's what I've been trying. 8 ohm 4.5 inch full range Omega driver in a 0.35 cu ft sealed box and 6 mH coil 200 Hz electrical crossover. The main speaker is JBL Array 1000. This full range driver has my favorite *tone* of ...
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