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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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The toilet paper is Romy's way of moderating the tweeter by a dB or two.Cannot load the photo. The box is about 3x11/2x1 foot with the Tannoy driver above the one Vitavox....
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Looking at that diagram, it seems as though Romy has made an artificial centre tap for a conventional filament transformer. You can either get a centre tapped transformer, make an artificial centre tap as shown or not bother with a centre tap at all...
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I made this measurement in such a way that I unsoldered the wire from pin 4 (black in the photo) and connected to it the red clip from the multimeter, and to pin 4 I connected the black clip from the multimeter. I set the multimeter to the mA rea...
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By the looks of the earlier photo, you will be bringing the LF and midbass channels quite a ways forward, perhaps 3 or 4 feet, but it is difficult to judge distance from the image. Will you have enough room for the midbass boxes to snuggle in beside...
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Romy, looking at the top photo in your 04-18-10 post, it looks like a tall CD shelf system is literally parked smack on top of a baseboard heater. On the face of this, I would not do it. So, what am I missing, here?Best regards,Paul S...
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[quote user="Romy the Cat"]There is a strange looks like another tweeter at the bottom of the bass horn. [/quote]I can't really make it out on the photo, but it looks a bit like a Tannoy Supertweeter....
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[quote user="Horn Savant"]Window needs to be sealed with non resonant baffle. 416's sound spectacular in inf baffle ! May be possible to horn load to a corner using standardgood design precedents with good throat coupling like my previous pictureThis...
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[quote user="Jack 14"]Hi, these ones are Russian military stock: see that no mica elements have been used in their construction, like the US Bendix Red Bank tubes (used in US ICBMs of the '50's-'60's). Old Soviet ICBM spare stock ?[/quote]It's v...
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What a pity, I hoped you had one of those SPD rooms at home ;-)I still think that some things could be explainable, but I guess it would be as explaining a blind person how different is a good photo of a nude woman from having that real woman in...
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"Eyes do the hearing" is a comment geared toward you as you make alot of assumptions based on just wait you see in photo .Your reality or mine?I was reading your comments on you s2 field coil and i think you have alot of good info about field c...
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[quote user="electronluv"]"Eyes do the hearing" is a comment geared toward you as you make alot of assumptions based on just what you see in photo.[/quote]
It is not just about what I see on photo but about which design principles a given depicting ...
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The photo blasted me instantly through space/time to Il Croce Verde in Florence, where/when I shared late lunch with a gathering of mens choral groups. The space was rather larger, but the same brick barrel vaults, and it did, indeed, serve both aco...
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KeithGoto's recommendation is to buy the throat piece of a S150 horn(It comes in 2 pieces).Then have the horn cut to the exact diameter of your tractrix and have a flange welded on.They made a special adapter for my mid horn,but recommended the above...
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This material is courtesy to Mr. Shibazaki, the owner of Sibatech Shop in Tokyo, that sell internationally Japanise Hi-Fi equipment.
http://www.sibatech.co.jp/
I hope that Sibatech people are more decent then our american distrib...
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Twogoodears,
I am sorry, I do not know what you mean asking me to speculate on these pictures. I know very little about ALE drivers and I would not make any guesses. The system design that is presented on the picture is certainly not of my li...
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Here's what I would do.In general :Start by excluding the DPoLs, excluding the electronics and associated gear, and considering just the room. With no electronics functioning, is the room an acoustically pleasant space ? Invite friends over and ...
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Domidaw, you wrote: The photo shows the capacitor c10. Its minus is connected to ground, its plus goes to the output transformer,According to the schematic it is the grounded (minus) end of C10 that should connect to one side of the output transforme...
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I haven't really thought this through, but if I were doing upper-bass horns again, especially if cut using a numerically controlled router, I might consider making tham oval, which would permit going for a horn with a lower cutoff (larger mouth) whil...
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In my illustrations as well as in the construction of my own mid-bass horns, I let the circular section of the 8" throat run all the way out to the mouth; it is tangent with the adjacent walls of the horn at any given point. If I understand correctly...
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"I think if we slow a bit the horizontal expansion of the 3rd section and smooth the indention of the 3rd section in vertical plain then we will have more natural curve with the same mouth aria on the exit."For what little it's worth, this is the cou...
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Roman
I plan to attach tweeter in a place of the lense to bellows (I hope thats correct term) used in macro -photograpfhy .They look sturdy enough and should provide 10cm of fine ,easy adjustment and I can buy them cheap ($10) on any photo show. ...
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[quote user="jorsan"]Hi,this is my first post here. This is a very interesting site indeed, congratulations.I found this photo and I'm really impressed with this stand design: is exactly what I'm looking for. would you please give me more information...
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Yes, I did have a look at the photo series. Many of these folk are serious about their amplifiers, or at least put a lot of energy into them. Too bad they did not invest equal amount of effort into their speakers. Open baffle has become very popular ...
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Since I can't read Cyrillic/Russian, I may never know anything significant about these wonderful piano/trombone duets. I am guessing from dates on the label that the compositions are from the early 1800s through the 1930s.The album jac...
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Automotive seats typically have smallish, adjustable head restraints, and the seat backs recline. Take a look at this:http://www.bookofjoe.com/images/2007/10/22/1ewtrety.jpgNote that the support integrates arm rests. Yes one's butt would be a bit low...
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"A tweeter positioned inside the MF horn"I wasn't sure how that could be done effectively but was looking forward to a creative solution. That photo image is not what I expected; on hindsight it is not a surprise. Of course one could rip the tweeter ...
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jd wrote : "...While I'm at it, here is another attached image showing the core..."Well its been a long time since I've posted photos of the project... I'll be doing that now.To start off, I noticed that the link to a previously availa...
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[quote user="Paul S"]My first thought on looking at your photo: "Night On Bald Mountain"! This particular set-up might work especially well for Halloween Hi-jinks!You might even install a remote-actuated "turntable" with different filters... Best re...
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Sounds "fun", Romy. I think the late (recently deceased) James Bongiorno contributed the lion's share of ideas for the Constellation, although who can ever be sure what actually makes it to market. Maybe Bongiorno's own (much cheaper) Spread Spectr...
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RomyI called the seller today and they said it is the same socket, just the size and shape of the ceramic piece is different. The mounting holes are in the same place though. The metal pin contacts are the same. He spoke highly of them as customer...
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