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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Yes, the bottom response is about right. There is a thing about the bottom response, I might be a bit in unchartered territory as I do not know how properly calibrated your measurement devise and many other conditions that might affect the measur...
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[quote user="haralanov"]When all of these 5-6-7 different types of distortion mechanisms are eliminated (I mean lowered), one has the opportunity to hear the unmasked/undistorted tone of his bass. I deliberately used the word “opportunity” because no...
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first post... but I recognize quite a few friends here.. so, my straight horns... I like them very much.. I built mine similar in style to what Greg B linked, but obviously much smaller.. mine are just under eight feet long (length of a sheet&nb...
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In inversing tweeter, spent some time listing it. It has at 93dB 6.8R and .63mH. The inductance is too high for my application, so I would need to shunt primary with one more coil to drive inductance down. I recognize only Bessel cu...
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Thanks for this one Romy, very interesting...it sorta ties together several things that I have been thinking about lately. I guess I am lucky that the Bass Cannons can be run off 9w from the DSET bottom channel and from memory I get about 115dB at 1...
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Greg, I see a regions of concerns that you might contemplate.
TAD 1201 might be good driver but how useable would be the 200/300-800/1000 range? Let pretend that you end up with 250Hz, then what next? You will introduce a bottom octave section but t...
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Hi Romy,
It was good to finally meet you at CES at the Cogent Room. I guess that you really found Steve and Rich's drivers pretty interesting (you initially wanted to buy a pair of the midrange drivers, remember?) It would seem from all the activi...
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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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... or wondering if it has any new insight into horn design.I did not read the book but I find funny that person who presumably do not “believe” in horn write a review about the presumably horn related book. It would be similar to ask a blind person ...
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At some point recently I became particularly aware of the
fact that the sound from the Loudspeakers has transformed significantly over
the five months that I’ve used them, not in the sense that the character of The
Loudspeakers has changed, ra...
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I would like to pass some summarizing observations and some generalizations regarding the entire “Water Drop” project.
THE IDEA
The idea of trying to find a tweeter to compliment Macondo was a good idea. Many of you know that I was proudly declari...
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The AA Moron in response to my criticism give a birth something interpretable. Here are the sweeps from Upperbass Horns and MF horn. I have no knowledge if the Moron removed the filters or the EQ circuits that might be used, wich sweeps he used...
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"Do not use plastic caps ... but go for a tandem of electrolytics Nichicons with active biasing."
Hi Romy,
Please excuse my ignorance. Can you please clarify what you mean by "active biasing" -- in relation to the caps?
I'm thinking to get...
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[quote user="Rewind"] I kind of got stuck in selecting an upper midrange driver, above 2kHz. If a driver is going to screech in your ears it is going to be in these frequencies. I was never really satisfied with the range of 1" compression driver...
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Murat, that's a lot to ask from one driver. I thought that any time the "un-aided" driver craps out or acts weird, it's time to think about a crossover, and/or some sort of "assistance" for that driver. The great thing about horns is, they can passiv...
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[quote user="Murataltuev"] What Macondo
axioms are breaking with using GOTO 146 with 4" exit in say 150Hz Tractix
?Why you don't recomment to do it ? [/quote]
Of cause not but did you read and understand the Macondo
Axioms? The Macondo Axioms p...
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Hi,I am slowly building my own Macondo. I understand why the injection channel is there. It brings some kind of softness that the compression drivers lack. I am using a 12" JBL midbass driver (~100dB sensitivity) in a 50L single driver Marshall cabin...
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Hi Romy,Well, this is my (and my dad's) first horn system so we're learning/building one step at a time. Our motivation is simple, to use horns as low as possible.The very first DIY configuration was:TAD ET-703TAD 4002GOTO 505TTTAD 1603 Woo...
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[quote user="Romy the Cat"]Do you personally recognize the sonic impact of bad electricity in your own playback?[/quote]no, not in the sense that i assume you mean it. instead i have my own beef with bad electricity, which i suspect is different fro...
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[quote user="Romy the Cat"]No, you did not do before and you are not doing it still. I think the problem with that you are expressing is that you have no desire to EXPLAIN FOR YOURSELF what you do. Forgot about the amplifiers, speakers and the ...
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Now the same graph black...
[url=http://abload.de/image.php?img=esdsubhorn4uo9p.png][img]https://abload.de/thumb/esdsubhorn4uo9p.png[/img][/url]
...
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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 in a helicopter in or...
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I have found the T90A to be reasonably in-offensive with JBL 2435 Neo/Be compression drivers.
I use them with relatively small caps, currently 0,3uF.
The effect is a welcoming of a higher frequency palette that to my ears does
not seem incongruous...
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CATEGORIES: 2100 - Mid and mid-bass cone transducers 2200 - Low frequency transduc...
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Actually I would like do not use the post above as a promotion of a specific speaker or a specific topology - it is what the cretins from Audiogon do. I’d rather like to suggest whoever cares to think about our idiotic consumer conformism when we, th...
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[quote user="Dresden"]… One very important component I'm leaving out of the cost of the horn is amplification (the horns will be active, using class-D amps). The reason for my choosing class-D amplification is that the modules and various compo...
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Yep, thanks.
I still do not know why you feel that I will not exploit the “ringy dustcaps” on the Malaysian bass drivers; in fact I never gave up on this idea. I preliminary concluded that my MF channel might not go lower then 700Hz but I did not sa...
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ya i got your drift. if i can trust my initial reaction(in terms of how to articulate my idea) then my objective is a sound/performance i have in my head. I don't really expect completion but i do expect the periods of "good enough" to get longer as ...
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[quote user="horny"] Those used to vintage gear might find it laughable…[/quote]
Well, do not be under impression that vintage drivers are an assurance of some kind of quality. They are not; in fact in most of the case the opposite is true. I always...
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Hi Romy and thanks a lot for the always interesting topics and discussions going on... I'm quite new to DPoLS and consider the approach of "obtaining sound in a room" more than "speakers positioning" - too often to WAF fullfillment and aesthetics, th...
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