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Who owns what in FM
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RMAF06 Show Report
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About the (secret) rules»
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Anybody using vacuum hol»
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Avantgarde Trio, Roy Gre»
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The single-stage Milq an»
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Short midbass horns
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Zander, BPO, George Li a»
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Polish Chamber Choir - S»
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Glorious HDMI Cable.
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Ultimate MF compression »
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Dennis Colin's Sound Str»
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Any South/Latin American»
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MTT’s Mahler at 180 ghra»
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Orphean horns / BMS driv»
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Vitavox 12 cell Horns + »
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Who inherit Mocondo or a»
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Wiener Philharmoniker r»
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It is all about hard sur»
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Accidental death music.
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K2HD -yet, another CD fo»
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Making musical instrumen»
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The power AC Outlets?
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Another 2005 CES standou»
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Mystery Horn ? ? ? anyon»
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Avantgarde method of cap»
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Sound of Ehernet cables?
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A synonym of audio revie»
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The one-stage Melquiades.
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A beautiful miller's dau»
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Tosca, Aida, Madama Butt»
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Why the tubes shall be t»
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Absolutely the best audi»
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Wilsons, EMM, Ozawa, Sa»
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Question on speakers
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Tweeters: the most misus»
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A strange urge.
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Multiple Tracks, Each On»
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Bookmarked are red
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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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From what I gather the JBL 2169 driver is an 8" cone speaker with a sealed back chamber. If this is so it was designed for a specific horn. It shall be used in that horn or a very similar one. The back chamber should be tuned/designed for the horn ...
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[quote user="Murataltuev"]So, the question is still opened: how to get 300-400hz.[/quote]Perhaps give the JBL 2169H a try. It is supposedly very good from 300Hz to 2.2kHz, but I have never tried it. Use it in a sub 200Hz tractrix horn with a 4" thr...
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I wish I could stop the US government from selling AK47s in any corner shop in the US. If you give a monkey a gun, most probably he will shoot himself. If you give a monkey an AK47, well that is different. He will take anything he wants and few thi...
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[quote user="Horn Savant"]Before experimenting with the Hi power Electrostatic module, I used 416's in my large corner horn. They sounded extraordinary (ran with inf baffle to basementand made me realize how much Altec/JBL enclosures suck with their ...
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Hello Macman,Nice horns, I like that you finished everything properly! I am getting tired of seeing piles of horns.I think the ringing you are getting from your midbass horn is that the throat reactance is not balanced. How did you calculate the ba...
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[quote user="Romy the Cat"]atilsley169, I would ditch your request to define term high-end. I think you might do it for yourself if the defining of the term is important to you. Your second question however is very interesting. You ask if the purchas...
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The picture shows a JBL 2446. It shows where one attaches a horn. The exit hole in the center of the driver is about 2 inches deep and 2 inches in diameter. Is that hole part of the throat chamber or does it count towards the first 2 inches of ...
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[quote user="Romy the Cat"]So, I guess you do not measure flux if are getting. You might measure sensitivity and we might presume what when perm magnets has the same sensitivity as electromagnets then the drivers have the same magnetic flux density. ...
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My humble guess is that the titanium diaphragm won't ever give you the feeling you seek.JBL 2482 with its phenolic diaphragm may not be the quickest or most detailed, but has a truly wonderful tone that I never tire of....
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A somehow-related thing is "texture", and - of course - what we want is the "availability" of a range of musically relevant textures rather than textural "overlay". The S2 and the Altec 808 had this potential, but I never heard it from the JBL 375, ...
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I asked my Japanese speaking friend to translate for me the information about the tweeter in that Brazilian installation. It is JBL UT-045Be, I never have seen/heard it, and so I presume many others… 25mm beryllium spherical diaphragm, 52mm circ...
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This is helpful, Romy. Another question - is JBL 2446H a decent driver to try? Also - just to get an idea - how much can I expect to pay for custom horns?...
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Maybe you could "turn in ceiling " and use a Avantgarde Duo configuration for your 200- 1000 Hz horn ? I read a lot of good things about B&C 8PE21 8" driver in that range (John Hasquin -not sure if I pronunced the name right ) it can be ordered a...
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[quote user="homebuilder"]I am new to this interesting site, and am hopeful of getting some assistance with a project. I have purchased a set of TAD 1201 mid-bass drivers to begin a 4-way active system for critical home listening. (in a d...
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JBL developed the PT-Waveguides not only because they are easier to produce. They also have less harmonic distortion than biradial horns. Disadvantage: They look far less funky....
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In terms of the length of the horn, I'm allowing myself a total height of 7'6" (just below the average ceiling height of 8'). In regards to the mouth diameter, that's another matter. (It appears that I will have to build two [2] different...
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I wanted to answer some questions posed by interested parties. These speakers are 8 ohm and were both manufactured on the same date in 1998.
Though I am not a regular visitor here on the Good Sound Club I am a routine contributor on the Klipsch...
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The box is about 5 cu/ft apperiodic with 3 x Scan Speak vent on the rear panel. Damped with cotton blanket (filling 60% of inside) and braced rather well. The driver is JBL 2220 crossed at 80Hz with 12db slope. All other channels ar...
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Looked at the JBL driver again. Seems that the two diaphragms are identical. A funny way to get around the BMS patent....
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Marchand doe crossovers not EQ and his crossovers are not so good sonically BTW, but I do not like even the idea of active crossovers anyhow. It is obvious that 2105/LE5 is not so simple driver to begin with but searching for “straighter” driver is e...
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Hi Roman!So, an SG-37FRP finally dropped on yr. laps;-) - glad it happened: not because you're now part of an Olympus-like lobby, but because you'll be able to judge with yr. own ears, much, MUCH better than theorically speculating on this or that......
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A happy new year to all,,,,Your electricle mains box is most impressive,,But keep your fingers out of there..Or you will have a "short" year...I love the JBL Array 1400 Hard to beat,,unless you have EverestII.....
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I think guessing what the hell they did with tweeters would make since if whatever they did sound right. Since Living Voice’s is not the company that has a lot of exposure in US I do not think I will ever hear those speakers. Even if they have US rep...
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are pair of jbl 2420work with 100-130 voltpower supply is with 5u4 tubei use with diy tactrix horn and jensen field coil woofers.crossover at 800 hz 6 db or when use 3 way multiamplification 800-8000 in this case tweeter is old jensen-magnavox.no sel...
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Before experimenting with the Hi power Electrostatic module, I used 416's in my large corner horn. They sounded extraordinary (ran with inf baffle to basementand made me realize how much Altec/JBL enclosures suck with their poor deep bassperformance...
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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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It is not unusual for famous people to use there name for ENDORSEMENT,,SPORTS MEN HAVE MADE MILLIONS that way.. AMPEX used Frank Senatra..JBL used Benny Goodman...Its easy mony standing next to a product for photo Op and getting paid for it.....
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I have to disagree with you here. Until you've heard the bass from a JBL Hartsfield, you haven't heard bass. Best bass I've heard period. I'm curious if the Vitavox is of the same caliber. ...
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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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[quote user="ayebee"]I’m probably suggesting the obvious, but have you tried adjusting the crossover component values on the fundamentals and MF-channels? On the fundamentals-channel, increasing the inductor-value, and decreasing the cap, so that...
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