JimJ
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Everything posted by JimJ
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Happy b-day...
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12awg twisted pair owns j00.
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really belated TOP.
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I'll pester him when he gets off work
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Which, by the way, he hasn't posted pics of on here yet.
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i really need to get off my ass and order those Fostex drivers so I have them when I get the cabs from Kent.
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talked to the guy today, my new amp is coming along nicely... will be very sweet when it's done.
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looking at a small behringer unit...maybe 5, 6 inputs.
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notably, i need a small mixing board.
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besides, i need the money for another project of mine.
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50Ah AGM cell + float charger + rat's nest of 4awg + bigass amp = teh l33t power for the TC9, heh.
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At least, not without breaking out the extreme l33t ghetto-fied skillz.
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Hmm...big amps. Tempting to use them for HT, but I have nowhere near the DC power at home to run them.
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Folded Horn v. Snail Shell v. Transmission Line
JimJ replied to Aaron Clinton's topic in Advanced Discussion
Folded horns are vastly easier to build than a mass-loaded T-line, as no accurate modeling or equations are availible. Every good t-line out there has been built, re-built, and tweaked with the stuffing and line length to get it in top notch shape. They're tricky little beasts. http://www.t-linespeakers.org would be a good place to look. Also, DIYAudio's Full Range forum (where I'm still a newbie, heh) will be very helpful to you: http://www.diyaudio.com/forums/forumdispla...p?s=&forumid=51 -
Modern stuff? The technology hasn't changed since the '50s...SET's are 30's era circuits, and push-pull didn't come into widespread usage until after WWII...not much has changed since then. I haven't had the chance to play with any single-ended MOSFET amps (there simply aren't that many around ), so I guess I can't give a direct comparison.
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tell me, Sister Morphine, when are you comin' round again...
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Would I miss out on a subject like this? :gayfight2: I'll accept two out of those four, and add one you didn't mention. Harmonics, distortion ratings, and the damping factor will be the biggest factors in making "the sound". Why do I choose tubes? (single-ended triodes, more specifically) 1. SET's are one of the simplest amp designs out there, with the least parts count. 2. Class A amplification, by design, is one of the purest forms of amplification. The active device is always on, through both peaks of the waveform. You can't get crossover distortion from peak to trough. 3. The soundstage and imaging is incredible. I realize the speakers have a huge role in this; but it goes back to point #7 below. 4. You can heat your room from the heat of the triodes on a cold winter's night. 5. They look damn cool. 6. This is 1930's technology, so if something breaks you can get the soldering iron and fix it yourself without a magnifying glass (anyone that's worked on SMD parts can appreciate this) 7. I personally prefer the sound of a low DF system running into a crossoverless loudspeaker. There's an intimacy about the sound that's IMO is missing with very complex active systems running much more power. I realize very few members here have had the chance to sit down and audition a good tube system...but I encourage those that haven't to try Those that have, you know what I'm talking about. real amps glow in the dark...
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Alright, I'm out for the moment.
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What's even worse, when you think you've gotten something almost done, another thing pops up and gets in the way.
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I can't agree with this more...I've got about three at the moment that are all in various states of completion.