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Old 7th April 2008, 06:12 PM   #11
Few is offline Few  United States
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Bummer. Thanks for checking, though.
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Old 25th May 2008, 06:33 AM   #12
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Default Update

An update !!!,
I was able to get in touch with the grand master of plasma speakers "Dr. Alan Hill". Looks like there is a new speaker in the works ... frequency extension from around 40Hz to 100KHz.
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Old 28th May 2008, 01:06 PM   #13
jaejin is offline jaejin  Sweden
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I have just seen the the youtube film.

really cool!
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Old 29th May 2008, 01:19 PM   #14
CV is offline CV
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Default Dr Hill's latest

Do you have any more info at all on this? Will it use MHCD technology?
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Old 30th May 2008, 12:48 AM   #15
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Default PS

I do not have all the information on his new project.
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Old 19th June 2008, 04:49 PM   #16
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can you say limited SPLs?

_-_-bear -- Btw, I don't actually know anything, FYI -- every once in a while I say something that makes sense... ]
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Old 21st June 2008, 09:31 PM   #17
Dalus is offline Dalus  Netherlands
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Old 21st June 2008, 10:11 PM   #18
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Originally posted by bear
can you say limited SPLs?


Meh,Ya just need more power.
It's quite loud!
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Old 25th June 2008, 10:02 AM   #19
OzMikeH is offline OzMikeH  Australia
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It's no different in concept to the tweeter thread, except it's solid state. I'd love to see the circuit. The ferrite cored transformer is a big limitation.

I've seen 95dB from an open arc and tesla coil type OPT. With horn loading you could easily get it to a useful volume.
Air discharge is quite quiet, adding the ground electrode makes it much louder.
Help some guys with funny hair bang two rocks together really hard.
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Old 4th July 2008, 04:42 PM   #20
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I've been looking into this and there are some problems with creating it, but the schematics are mostly there. has a pretty good rundown on the ins and outs of the solid state plasma. I'm just a little stuck trying to undetstand the delay shift and the unlabled device between the XOR gate and the VCO on the chip.
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