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Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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OK, I am keeping my new The Loudspeaker(s), and I will be selling my large "Diamond Edition BassZilla" OB speakers that feature OB high-passed Lowther DX-4s running wide range (NOT full range!) over 15" Audax PR380-M2 woofers in integrated BR boxes u...
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Decoud, you will only know if you try it, but my long experience with the Lowther makes me doubt its suitability for your situation. Perhaps there are other, more suitable single drivers, I don't know. While I have no idea at all what you want to w...
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Haralanov, you might not get it from my actions, but I actually understand and agree with everything you are saying, in principle. At the same time, I have no idea how to address such a sharp peak mechanically, since adding mass as usual would just m...
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Thanks The CatI'm posting the pics of the build as I progress so people can see and pass on ideas, that's all. Are you suggesting you don't want horn projects shown on your site? I had earlier outlined the design, including cross-over points etc.I as...
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Yes,I then did understand why you went into Bert and business and connection with sound (it works well as a general example). I don't know how you came to that conclusion of Bert fits into this model though. I didn't-- aft...
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[quote user="haralanov"] For some unknown reasons, he later decided to change it with the sharp and artificial sounding fostex supertweeter. What might be his motivation? Logically appears the following question – is that Goto supertweeter so hor...
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[quote user="haralanov"]Romy, the main driver in this acoustic system has nothing to do with the funny Lowthers. It is very high class field coil speaker unit made by Oleg Rullit. The owner of the system has tried the highest class of the Feastrex li...
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I'm very inexperienced but I still try to observe things around me carefully. Here's what I'm getting at what can be potentially pretty good.. Well, all I can really say is I've been mostly interested in the design implementations of companies such a...
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"It is not an accident that I liked the article about the “Resonating Oops” to this thread."Interesting. I'm just completing my 125hz midbass horns. And I'm deciding how to construct the back chamber. I think I will experiment with a removable and tu...
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Dear Romy, thank you for your opinion. Did you see and hear them if you are talkig about the quality? In Munchen High End Exhibition 2016 Evolution speakers celebrates big success in demo with KRaudio Kronzilla amp.http://positive-feedback.com/show-r...
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Hi The CatI forgott to answer your q, what I do.I 'do' management...heading up a team of folk for a large social services charity in Sydney. I cover training, occ health and safety, payroll, volunteering etc. We have 2000 staff.My interest in audio s...
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Since I have struggled with my own +/- insurmountable problems with Lowthers, OB, BR, etc., ad nauseum, I can certainly relate generically to what you have just said about horn drivers in this injection thread.Yet this may be the only time I have hea...
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Very cool, James, it would be very interesting if you put your ears into an investigation of “Ooopsy back chamber.” I was wondering about the A45 Lowther as well. The 125Hz midbass horns that you made, how big the input hole in there? The attempt to ...
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[quote user="guy sergeant"]Some of it, (the current speakers and some of the amplifiers) are in my view, not outstanding. Other items, (the big preamp, phono stage, cartridge, MC transformer, silver cables and largest power amps are exceptionally goo...
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Sorry, I couldn't resist the header...Electricity was OK today and either the X/O parts are already breaking in or I had a "lull" in the expected parts shut-down. Anyway, I actually wound up seriously listening to some serious music! Even without f...
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Hi there
I can see Romy's face when he's trying to figure out Martin's time alignment strategy;0) I have Martin's 204 Hz horn with Fostex 208 E Sig. These horns are to be big to properly integrate with anything. They are OK with Fostex Lowther drive...
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Too soon to begin in-depth descriptions, but after a good deal more work (and expense...) than I'd bargained for, it did not blow up, and there was not the all-too-usual painful silence in lieu of the first expected sounds. I admit I was as surprise...
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...It's about the Curve, Dummy!This morning I disconnected the notch filter and listened as long as I could stand it. Not long!Then, I went over my math and remembered that I went the way I did largely because I "already had the parts".After an extra...
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"Vitriolic" is certainly the wrong word to apply to my "attitude"/post(s), Dominic. "Amused" is more like it. I am amused by claims that ANY 4" driver makes a stand-alone "Full-Range" speaker able to "presen...
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Hi Romy, great site I just recently joined but have read your many posts over the years as I quite frequently end up here while searching the net for info. I recently purchased a pair of Super12 wharfedale drivers and thought with all your audio know...
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Gregm wrote:"Basically
I'm worried about a Lowther playing down to 150 and, if I cut the L
higher, I'm worried about the woof trying to play up to say 200."I have often wondered why one would want to ask the driver that plays into the 100 to 400Hz ...
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"Meant to be?"
With 100.5 dB efficiency in quarter space I plan to use a dedicated tube amp. Yes, some people use high powered amps to see how loud they can get Def Leppard, but I don't see any reason to. And some tapped horns...
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James, why shall I hit you? The Lowthers do fine MF drivers if not to stress them into full range. I actually thought about Lowther but what I was looking at them I did not see any interesting 5” contestants. The new DX65 is 6.5-7 drivers and t...
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hi anthony, have fun with that, results are worth it. Your findings don't need to match mine but i share my favorite briefly :)I found explanation from an famous german engineer. Hes calculating an Rms thiele small to indicate mechanical friction los...
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If I went to a Ferrari dealer and "kicked the tires", they would ask me what I am doing there. In the audio world, there are a lot of people "listening" to the Magico that are not doing anything else except kicking tires.Why the dealers/reps feed tho...
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Well the whole write up i just wrote disappeared. In one sense that isn't all that different from my experience of the Festival Son et Image here in Montreal yesterday. i'll be quick this time in the hopes that my post will get through. bett-er rooms...
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Yoshi,What material do you have as damping material in the box and how close is it to the Lowther? These things are incredibly transparent to what is behind them. Some things to consider.If the damping material is within 3 inches of the cone, it will...
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Greg, I have written about my "DEBZ" speakers several times at this site, including Post ID 3269, early in my original Lamm ML2 thread. I mention these speakers now to compare what we are aiming at here to what I have already done, wh...
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Well, FWIW, my Audax LF units started life at ~100 dB and wound up closer to 96 dB to get ~40 Hz from them via ~ 4.75 cu. ft. BR boxes. Computer tuning was very close, only a strip of rubber weatherstripping in the vent opening between be...
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Last week I spent a few hours at the scene of NY’s Stereophile Show – HE 2004: a half-day on Thursday and 2 hours on Friday. As many other audio-shows it had many semi-ugly colorations, however as any audio shows this zoo trip brought it’s own “inter...
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