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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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That is the thing exactly, my upperbass solution has the same output amplitude as the compression drivers I am using, IMHO resistrors are the devil in xovers, they kill all sound. Now the difference between 109 db and 110 db can be overcome with c...
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I recently spoke with Paul Eizik regarding the criticality of the open-air mounting of that driver instead of baffle-mounting. I decided to go extreme and to get rid of that plate that I had under the driver no mater now small it was, also I thought ...
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[quote user="Jorge"]I am not using the S2 driver, I have been going the long way testing a bunch of different compression drivers. Right now I am testing the TAD 2001, I can say leaving it full range going all the way up, it develops a certain ...
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[quote user="jzagaja"]To make the story short Autotech is a family business located in Lublin, Poland. Younger brothers graduated in mechanical engineering are cars and racing lovers - with scores in Europe as professional drivers and mechanics. One...
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[quote user="RonyWeissman"] It will drive either my Tannoy Gold's full-range, or my 3-way system (Altec 515/Vitavox S2/EV T-350 or JBL 2450). I could also use it just to drive the Altec 515 and use my current 300B to drive the MF/HF of my...
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[quote user="floobydust"]Plate supply = 350 voltsOPT Primary impedance - 3.5K
Cathode bias resistor = 866 ohm
Cathode bypass capacitor = 50uF
Grid resistor to ground = 249
You need to select a new OPT.... I would suggest the H-20-3.5U.[/quote]I b...
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By “midbass horn” I’m talking about a horn with about a flare frequency of about 60 Hz, to use with Fane 8” drivers, to start with.
(Was planning to use this horn from wherever it sounded best, trying for around 80 Hz to ~35...
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[quote user="Romy the Cat"]Anyhow, now it is officially: I permanently removed a tweeter from Macondo. [/quote]After a few days of playing my Macondo without tweeter I begun to think what is goingon. The S2 eventually works clean and without any hars...
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Hi, Marcus
As I understand it is 15” loaded into 110-150Hz horn, MF compression driver in 350-400Hz horn, Ribbon tweeter and a pair of tapped horns? Looks good.
If it were up to me than I would paint the entire baffle with tweeter and MF i...
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[quote user="serenechaos"] By “midbass horn” I’m talking about a horn with about a flare frequency of about 60 Hz, to use with Fane 8” drivers, to start with.
(Was planning to use this horn from wherever it sounded best, try...
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[quote user="ayebee"] The horns that Stereo Lab make are very good, especially considering the relatively modest prices. I bought the "Ultra-Fi" version of the 140Hz horns and they are of course not completely free of resonance ….Present system consi...
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[quote user="jessie.dazzle"] There should be no danger in running the S3s down to 500Hz; I am currently running a pair of S2s (same diaphragm as S3) down to 450Hz, 1st order, no problem.
The system is in a room that measures around 80m² with a 3m-h...
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Greetings,
I may be able to answer some questions regarding crossovers, multi-amping, etc. - without getting bogged down, hopefully, in metaphysical issues.
First off, I live in San Francisco, if he's inclined 'drdna' and other locals are wel...
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There are many threads on my site where I covered the subjects of Tweeter for my Macondo and particularly the moment of integration the tweeters with Vitavox S2 compression driver. Since a few months ago I altered my idea to use the EV T-350 tweeter ...
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[quote user="RonyWeissman"]The electricity comment is interesting as today I put on some jazz music and the HF is very snappy, excellent! I feel like posting on AA to ask people's opinons if it's the electricity or if my concrete horns are going thro...
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[quote user="KOTriode"]Romy, in the contrary, it is very unfair to compare my 845 amp with the 6C33C. The main reason is the 845 amp used the best output/interstage transformer available, while the 6C33C's output xformer is pretty good but far from b...
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I'm wrapping up my horn building activities and have some leftover items available. 1) Edgarhorn 80Hz Mid-bass horns - Pick-up in Seattle - $350Condition - 8/10 based solely on age. No visible imperfections. They are in the identical condition as...
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Below is the text from Slovens Website that presumably knows Anton Nanut. According to them Mr. Nanut did record the Beethoven Nineth. Interesting is that Nanut also record Dvorak’s last symphonies, Jerry, are they interesting in Slovenian rendering?...
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Some of you
have already seen my old posts about the 2 pair of concrete midbass horn a
friend and I built a few years ago.
Now I just
wanted to share what has happened to those beauties since the last po...
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Sine I informed public about Melquiades amplifiers I receive many emails from people asking me about the operation points of 6C33C. For whatever reasons people mistakably took me for some kind of 6C33C guru, which is am not. Moreover I could be hardl...
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The history of stereophonic sound
1881 - Clement Adler at the Paris Electrical Exhibition put "a series of 80 telephone transmitters across the stage at the Paris Opera and connected them by wires to telephone receivers in a suite of four rooms" in ...
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If you know how in some optical systems imagery get destroyed when an aperture getting closed to F64 or even smaller, then you understand what happens in compression driver when frequency get higher and spaces smaller. Yes, the proximity of wavelengt...
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Finally, I'd appreciate your opinion on the scheduled implementation of regenerated electric power on my system.I am planning to hook up my entire gear on a single PP1050hv (230V) unit:2-channel:
PrimaLuna ProLogue Classic integrated tube amp (Clas...
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OK, the first assembly is
there. It sits on 3 joists and with the joists are cut,
blocked and warped up. The exit is 30.5 inch by 24 inch. It is 1.5” birth plywood.
...
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Romy wrote :
"...This BTW expanse what we have such a differences in assessment of leaking he the S2’s back chamber. (It was somewhere in past)..."
I would just the same like to confirm my findings one more time in the new room; I will run the test...
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[quote user="anthony"]I seem to
remember you had this sort of issue when setting up your previous room and
eventually you moved them time aligned.
The one stack of 15" and 10" sounds
like a nice solution. Do you think more 10" scanspeak instead ...
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I made a small plugin for Sketchup where you can draw/sketch straight horn with any number of petals with any number of conical segments that span the length of the horn.
It is very simple to use. The user must inpu...
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Romy,These are the G.I.P. 9700A System. Here are the specs, I asked to GIP some time ago:Regarding Dimension without horn and Tweeter (only
enclosure)W: 1240mm × D: 1200mm
× H: 1120mm
weight: roughly 350 kg / 1 pieceDimension with full setW: 1...
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It is even hard to critique because it is beyond of being ignorant of stupid. The John E. Johnson’s review of Lamm L2 preamp in the “Secrets of Home Theater and High Fidelity”. Below are the fragments of the John E. Johnson’s pearls… Each quoted stat...
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Those are the specs I managed to find from ALE, but certainly incomplete (or outdated) because those new versions (like 160 Super Extra) are missing. I am leaving here just in case.
...
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