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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Haralanov, I guess you mean to say disconnect the tweeter on one side of your playback? not the whole left side of the playback...When you use compression drivers it is very important to design the horn taking care of the high frequency response. ...
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It is a shame that I keep finding threads about a 300Hz compression driver channel, that ends abruptly. I have been trying with a not-so-exact Goto S-150 replica (~1.7m deep, 75cm diameter mouth), and I know of another fellow in Sweden who tried the ...
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HI "Hifiordie" I want to tell the readers here that this guy is seriuos and has some serious talent.Unluckily for him he has been bitten by the same insect that got us and is obsessed by horns, please do listen to Romy and try to balance your life b...
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In this case something like 5khz to 15khz -- only for the tweeter and only for DELAY. However, if the cellular midrange horns have smooth coverage above 5khz, all the better. But I have no experience with them - maybe they sound good to 8khz....Of co...
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I'm about to do what amounts to building a new system.What i'd like to do is build/acquire a set of amps that can be hotrodded if-you-will in the vein of the melquiades re: channel tuning.my goals from a technical/mech perspective are the following: ...
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KM, I don't know how you come up with the belief that I conclude that "it's a bad performing driver." Either the 138, or the earlier 120... Or that because I didn't use 120s that i haven't heard them. And as ever...
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Thank you Romy, I wasn't aware of the 30 day trial...I though only PS Audio had this policy with power regenerators...The 25% load is a nice tip, thanks again, I trust you judged this value according to personal tests and measurements. The sad news i...
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[quote user="slowmotion"]How was the lower midrange affected by the tweeter removal? [/quote]Now the S2 is crossed at 700Hz with first order where the upper bass begin to dive. Since I use now a new line-level (yes my buffer project is over quite suc...
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Well, Steve, usually I find this situation of “instantaneous awe” is not necessary a good thing. You did acknowledge the “benefits” of the tweeters in Acapella and this is undeniable evidence that the tweeter did not perform well in context of the gi...
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The Vittori does not suffer, neither do their owners. Who needs time alignment anyway?Well that loaded question has a simple answer - only those that really care about things like time alignment "need it". They most likely would not even consider the...
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Looking at Vox as a glorified 2-way Altec speaker with tweeter and supertwiter with all " not optimal" choices ,folded 70's PA thunderbolt mid bass cab time misaligned crap ( Romy's opinion ) bi-radial Vitavox midrange suitable for derby races and d...
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Hi Paul,The Cogent diaphragm I have seen pictures of was woven carbon fiber with a leather outer surround. I have never listened to a Cogent 1428 but they must sound very good, at least Bill Woods and Bruce Edgar say so.Besides their overall ultra cl...
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*** I too have thought a while about exactly this... there is something that troubles me deeply though about this approach. I have a theory that too small a cap may not work out as well as one might hope. Now, shall I do a Romy and delay revealing my...
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Roman,[quote user="Romy the Cat"]Last year the speaker was presented by “Horning Hybrid Perikles” importer who told me that they demonstrated: “3-ways loaded into the same horn loudspeaker”. I asked him to explain what dose it mean “3-ways loaded int...
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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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KlausMartin (Azura horn ) is making for me extension to 2.75" (BC 8p21)and 1.4" for 204 Hz (altec 288c) .He also developed 550 hz horn for S2 . He understands importance of smooth driver -throat transition . It would be ready to go solution for...
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[quote user="Paul S"]I have begun to see a pattern of diminishing net returns with respect to the smaller SETs, to the point where I wonder if their "potential" can ever be practically realized as Music in Full Glory. Lastly, the choice of an ou...
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Too late now for points, but just the other day I tried to imagine your plan. and I was pretty close.Actually, it is a bit like what I have going now; 15" Eminence bass guitarr woofers in a sealed 3 cu ft cabinet,Oris 150 with 8" B&C midrange dr...
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I do understand that by changing power amps to drive Duos you got different sound. However, I do not think that it is a right direction to look at the things. If you want more “depth” from Duos then you are taking about the lower midrange and upper/m...
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ltsv38, it is an interesting solution for lower midrange horn. If I use something like this for Macondo ‘s fundamental channel (but of cause spherical) then I would flip the horn with driver up and run the neck longer to accommodate a slower, expone...
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"Sadurni Acoustics' Staccato 4-way hornspeaker exploits MDF horns with up to 3" wall thickness. The 92cm lower midrange horn which loads a cone driver can "achieve 100Hz in-room". The actual 'turbine-horn' midrange driver is a compression sort. "The ...
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[quote user="Romy the Cat"] I pulled today from my shelf my collection of earliest Denon PCM recordings on LP the Denon record in end of the 78s. I generally do not like this entire series but the first releases where OK, not as good as then might be...
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I had yesterday our technician to make a first pass over the Mason and now it is eventually is in tune. It is become playable I have discovered a interring challenge. As I said before the acoustic setting for the piano is perfect in out listening roo...
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[quote user="jeff1225"]Roomy,I have read the posts from two years ago on your multi-cell horns. What was the final verdict? I don't see them for sale so I assume you've kept them. I'm curious where you stand on using 18 cell horns as the main midrang...
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Hi i am a new forum member and recently i built some speakers using Altec model 19 components 416-8b & 802 G. I built some 7.5 cu ft cabinets with two 4" diameter 5" deep ports this is the optimum cabinet size for the 416 i ditched the 811 horns ...
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[quote user="drdna"] How about using the 6C33C for the low midrange-woofer, the 2A3 for the upper midrange, and the 45 for the tweeter? I suspect if each circuit can be optimized, that they can do their best within each frequency range. [/quote] Hm…....
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[quote user="Romy the Cat"]The first thing first I think that your fear that your “midrange might have ideal frequency response” is not a motivation to change anything. Are you concern about frequency response or about the well-identified subjective ...
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There is a test of the 17 cm Görlich with rubber surrond in the new Hobby Hifi.Very low fs (23 Hz) and low sensitivity (86 db). There is a clear surround resonance, so maybe it would be wise to wait for the announced models with cloth or foam su...
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Hi Josh! That was basically my idea too. Although I read that the 12 inch driver loses directivity after 750. But I played around with Behringer dcx 2496, and I had the impression, that 1200 second order was the best sounding. The main reason for cro...
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