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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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[quote user="Merlin"]My SET doesn't have an output transformer. Just four tubes direct coupled. Bandwidth at full power is 2hz to 35khz.[/quote] Well, your SET might be able to bypass fundamentals from 2hz to 35khz but unfortunately it is all the OTL...
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Jessie, as it happens, I find my own best listening position varies somewhat these days, depending on what I'm listening to or for. For the best overall energy in my fairly energetic room, it is with my ears about 1 1/2 m off the...
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Novygera,If you are really going to run a single-ended pentode as a pentode (not triode-strapping the screen grid) then you will almost certainly need to use some negative feedback, whether global or local. It is partly needed to reduce distortion, ...
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[quote user="Romy the Cat"]The appendix in the corner of my room (I think it called rotunda) is very cool thing – it is where all my equipment lives – superbly comfortable and I can’t dream for better layout of my listening room. I am not kidding. Ho...
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http://www.aries-cerat.eu/
(Curiously, the "Contendo Reference" is not listed under speakers but has it's own tab)Seems to be primarily an amp maker looking to branch out into speakers and custom audio installations. The image of the "Contendo...
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Well, for one thing you will want to be sure of the location before you cut through your floor, ceiling, and/or roof!While the basic idea of the IB is to have "separate but equal" loads on both sides of the driver, there are plenty of reasons to work...
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[quote user="Macman"] Anyways, seeing the back chamber of my midbass horn, you would say that its way to big, no? [/quote] It is very hard to say. You need to measure and to publish the resonance frequency of your loaded driver and view it in context...
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[quote user="Murataltuev"] Paul S wrote:Mura, it sure seems like a good 12" driver would be OK above 300 Hz. So, what's up?
Best regards,
Paul SI'm not sure that it is driver issue. May be 42hz horn equalization is effective only in 70-300 range.R...
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[quote user="Romy the Cat"]The whole point in a compression driver is that anything in back chamber is irrelevant. [/quote]Hahhaha, good joke! :-)[quote user="Romy the Cat"]Haralanov, all that you need to do is to make your own experiments, the pract...
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Similar experience but I get to keep my "old" room. I have just changed my 5 way horn loaded down to 140 hz speakers to a friends room twice as big as mine, with an open back area into the house as your new room has and one side and the front have hu...
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Well, congratulations, Jessie, and welcome back to the Surreal World!For a while there your posts were reading like a dime novel!I hope you will try the doubled ML2s to see if you also hear the unusual effect the ML2 has on bass.What I get is th...
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Wojtek wrote : "...haven't seen any other fane 8M for sale in months anywhere..." I just checked and found a pair of 8Ms on eBay... item numbers : 310021284113 And : 310023127933 (I hate it when a pair is broken up over two separate listings!). You s...
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I have been asked by a number people who monitored my progress with RAAL’s “Water Drop” tweeter: “Romy was it worth it?” Well, I think after a year of leaving with tweeter, learning and satisfying it’s little habits I might pass some generalizing obs...
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[quote user="el`Ol"]Romy, are you going to verify the decision of using fragile vintage drivers?E.g. by trying JBL midbass drivers?They would be closer to the design philosophy of the Fane Studio 8M.http://www.jblpro.com/components/maxout.htm#2020H[/...
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Since I changed the LF transformer and increase the output stage loading I did address the problem with power limit. It looks like now the midbass does not clip at very high power and has some headroom – that is good. I however not absolutely comfort...
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[quote user="jessie.dazzle"] Below a certain frequency the advantages become a handicap. At that point (if you were using its EQ capabilities), the SMS -1 would start to step in... Whether you reach that point with your 10" arrays depends on how low ...
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It kind of said the Massachusetts is very much not “horny” state and there is not a lot of enthusiasts of horn loading live in Massachusetts or in the entire New England. If we New Englanders have the saturation of horn interest as high as California...
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Well, what can I say; it is a LOT of work. The last night I was working up-to 5AM, beefing up the frame, trying different solidifiers and dumper, and evaluating the impact they do. I have fine the mouth of this horn and it is insultingly heavy – two...
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Jessie, your post catches me thinking about multi-channel driver matching, as well. I am not familiar with the Fanes, but I wonder if simply throwing more power at them would make them nothing more than louder, so they would then "match" the res...
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I would like the people who read this site and those others whohave genuine interest in Vitavox understand that that subject of old Vitavox production is a bit tricky and I would not be surprised if the truth never be known. There is not such a thing...
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[quote user="noviygera"] I am NOT talking about single wideband drivers or any back loaded type horns. I am talking about properly made front loaded horns. For example, the Danley Synergy horns, that use single horn with multiple drivers to cover a w...
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[quote user="amdismal"]The crossovers were fourth order, which is what I use on my horns. Second order, I have found, can give a better blending, but reduced the delicacy and transparency in my system. But it's very complicated, and further exacerb...
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Romy wrote :"...Years ago when I researched the subject of the drivers for my UpperBass horns and when I was trying many alternatives..."And in the Warfdale thread :
"... I had in past a few Goodman drivers but I was looking very different thin...
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Again, moving the speakers last night I felt that I really would like to move the speakers closer to the mid of the room – the further the speakers from the back wall the more interesting sound. There is another “again” in what I felt last night. I t...
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I think we're on the same path... maybe from opposite directions. I agree that if one can identify multiple devices that provide clean power without impacting the sound quality then thru some level of analysis one could hope to determine what f...
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Let it be known that I am nearly clueless when it comes to electronics. Building speakers, racks, pianos, or just about anything mechanical is no problem for me to build myself and, unlike Romy, it is usually pleasant for me for various reasons....
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I've made an itellectuall excercise and tried to see hoe to fullfil (some of) Romy'spoints regarding the bass amp.1) To get 100+ W from 833, HT between 2.5kV and 3kV will not work.Spending some time over the curves, 1400V, 0V, 280mA loaded with6.5k s...
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Romy, setting aside for now the issues of loading, the observations about color seem at this point appear to be as much about 300B as they are about DHT. As near as I can tell, people who like the 300B's color-capability either like or do not h...
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[quote user="Romy the Cat"]BTW, I have a local Bostonian guy have replied brought today a very interesting DHT amp. He has a number of DHTs and this one he reports is the special one, quite expensive as well. Although the electricity was not good tod...
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I do not exactly comfortable with oxric’s preoccupation with “parts”. Yes, there are some amps that invest a lot of attention into parts quality – the silver winding in Kondo, oil caps in BAT, of silver foil caps in AN might be the examples. Melquiad...
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