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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Sorry, Bernard, you are probably correct about the spelling, but it's too late for me to edit the post. I always figure anything good one hears at a show means it is possible to get good sound from the gear in question, while bad sound might say com...
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Tom Danley, the owner of DanleySoundLabs is an interesting not BS-type of guy. I would not be surprised if his middle-like speakers sound more interesting then majority if high-end audio speakers. It not necessary says that his Danley’s speakers grea...
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I spoke this morning with Yoshi and he made a phenomenal comment. He was complaining something about his bass. He uses a pair of big 15’ JBL in a box with an active second order crossover. So, when I asked him to describe what he feels is wrong Yoshi...
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Zako, you might enjoy the thread about the evils of hysteresis induced by output transformers, where the (so-called)absence of output transformers is supposed to be the "solution". In any case, your posts remind me of this gambit, more than a little...
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A little update on the Milq amp.After sorting some of the problems with the amps transformers (see posts above ) .I now have two mono blocks operational that have about 700 hours ,I'm so glad hour meters were installed .Filament voltage is spot on 6...
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Hi Romy,I see now you are throwing around the term "absolute tone" in a relative manner again :) . Why would you want to neutralize absolute tone and with a metal tweeter no less!! You are talking about a tweeter "absolute tone" offsetting a po...
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I thought it was a scaled down version of the Beethoven, Gamma II, Omega I bass horn but those have cleary a taller enclosure then the woofers cannot be positioned on the same fashion.IIRC the Beethoven use also 4 16" woofers in total, Gamm...
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hi Woitek. The K33 extend the bottom end by the high Q, to almost 40 cycles . Which is only ok if you work with passive XO on a single amp. Well that's how they were designed. Having designated amps that allow you to steer the parameter or even bett...
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Hi Pete,You have a similar size room to me. I'd rather like a large 4 or 5 way setup but don't have the space. I use the S2's (in barbaric stylee) in damped RH330's. Beneath them I use a frontloaded (folded) bass horn Vitavox made called the Oracle. ...
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Romy,To clear up a few things about the Kilimanjaro RCA1428 clones.The B&C DCM50 is a modern, neodymium clone/copy of the RCA MI-1428B. It was designed and built by B&C in Italy after Bill Woods of AHhorns talked the CEO into it. The DCM50 is...
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Hello Dan,Love how you pass that cable through the port, I used to do that too...long time ago.Why are you crossing your 250hz horn all the way up to 1 khz?The 2445 should be able to go much lower. Have you measured the response you are getting from...
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Bill, I am happy that you've improved your bass. As Romy mentioned in an earlier post about Bruckner, RTA is just one tool, and we have to listen and hear results with Music we know and love. When you told of the disappearing S2s, I was going to ment...
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Nice post Romy, you're probably right, I can't say since I've never listened to a pair of speakers that really told me "what can be done". I've always owned and listened to speakers that are commercially made, and I've had to choose among the ones th...
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All below is written by Thomas Dunker
Yeah, "sound consistent independent of signal level" is a very precise way to sum up my whole speaker philosophy. Anything that is assumed to be constant, but which actually changes with signal dynamics is what ...
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Hans, indeed, generally it
it not a good idea to have idea put crossover point in between 2 and 4K but it
is a general rule. That rule that might be very much overridden by a good
practical implementation of a particular installation. To do this “...
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Tonight I finished two
horns at once. One was a shortened Goto S-150 horn that now has a
Fane S 8M, without back chamber so far. Dimensions are now 1.1m deep, 11cm throat, 75cm mouth. It is replacing the Avantgarde
Trio midbass horn r...
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[quote user="Jeffrey Jackson"] first, basshorns... the basshorns that I posted here some years back are my straight ~50Hz horns (my memory is fading)... they are 8' long... then rear chamber.. mouth ~ 3' x 4'... throat ~8" x 8"... rear chambers of va...
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[quote user="Paul S"]Murat, that's a lot to ask from one driver. [/quote]1000-12 000 is 3.5 octaves.300-3000 is a bit less.[quote]In any case, if you do get useful results with the paper driver, you will have to turn right around and integrate it bac...
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Wojtek, Yes, too late. Once you've heard a good "stupid horn installation", there's no going back is there?
Yes, something similar to what was shown in Jeffery's GOTO installation. It should work the same on the floor or ceiling, (...
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N-Set, the Tesla AROs make much better mid/upper bass than Altec/JBL, etc. The "factory"/"theater" boxes for these are HUGE, with double walls, basically IBs, but they can indeed "pound" from a smaller enclosure, or even OB. I hoped Fikus would eit...
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Actually it is very possible that it might be so. I made some rudimental measurements and concluded that RAAL tweeter and JBL midrange mounted in the same baffle has non-perfect time aliment. So, I will need to use gaskets under the drivers to time-a...
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Hi, Tim. This is difficult question, and it is difficult in it’s abstractivnes. I really do not understand, or understand but refuse to acknowledge the validity of the word “respectable”. How valid for YOU would be a “reputation” of this driver if it...
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[quote user="Vasyachkin"]expertise = experience X intelligence a cockroach needs millions of years of evolution worth of experience to have the expertise necessary for it to be able to do find food. leonardo da vinci didn't need to experience flying ...
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[quote user="Paul S"]Romy, no doubt the following derives wholly from my ignorance on the subject, but I have not been able to get away from a sense of "variable compression" with any compression horns I have tried. By "variable compression" I ...
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Terry,
I did found that PP amps were good to drive BAD compression drivers (with ceramic magnets). The irony was that the better amps to drive the ceramic magnet were not just the PP amps but the solid state PP amps. Do not ask me why – I do not kno...
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[quote
user="Murataltuev"] So, driver for 1200hz down is under
consideration.I'm going to try 2453, 2451, 2490 and Supravox 12" for this
range.I've ordered 200hz LeCleach from AutoTech with 6" throat to try
12" Supravox for the 300-1200hz range.A...
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[quote user="Macman"]Hi Romy,Its an Altec 416-8A driver in a ~100 Hz exponential horn, Jbl 2441 in 350Hz tractix, Aurum Cantus G1 tweeter and Eminence Definimax 4012 HO in ~30Hz Tapped horn.I just hooked it up and the highs are promising but I though...
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Romy wrote:For Vitavox S2 to use Tractrix 600Hz with 1.5KHz filter is a bit too close in my view unless you stay with second order filter. Would you elaborate further about your warning? I'm very interested in this application.I think you use the S2...
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Romy wroteStill, somebody Armen reports that Cessaro with $2K TAD driver were compatible to Silbaone… so what the purpose to pay more than $700 for a pair of JBL 2440?
I must say sound of Cessaro was far more sofisticated than Si...
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I never seen the polyethylene drivers but I would not say that it would be a joke, I would rather say that I have no idea what to expect. The SL600 MF driver is a polyethylene-like driver and it does have some interesting qualities, Sure it you drive...
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