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Results 251 - 260 of 3952 in Forum

  • High Voltage | Plasma speaker from rectified mains.

    Posted by M.A.D. on Saturday 12 November 2011 - 17:09:59
    Blast from the past?

  • High Voltage | My Plasma Speaker

    Posted by Xray on Saturday 15 October 2011 - 00:22:56
    Looks awesome!! I'd like to see that vid and schematic.

  • High Voltage | My Plasma Speaker

    Posted by Xray on Saturday 15 October 2011 - 00:22:56
    I made an improvement to the arc assembly which dramatically improved the sound volume. Instead of having the arc between two electrodes (the "hot" or...

  • High Voltage | My Plasma Speaker

    Posted by Xray on Saturday 15 October 2011 - 00:22:56
    Where did you pick up that MJ413 transistor? Or is there a decent substitute? All of the Motorola transistors that I can find come from China via Ebay...

  • High Voltage | My Plasma Speaker

    Posted by Xray on Saturday 15 October 2011 - 00:22:56
    Wow that thing is very loud!

  • High Voltage | My Plasma Speaker

    Posted by Xray on Saturday 15 October 2011 - 00:22:56
    Where did you pick up that MJ413 transistor? Or is there a decent substitute? All of the Motorola transistors that I can find come from China via E...

  • High Voltage | My Plasma Speaker

    Posted by Xray on Saturday 15 October 2011 - 00:22:56
    Nice project Xray! :-) On a related note, if you buy "Motorola" TO3 transistors from a Chinese or Hong Kong EBay seller, they are probably fakes!...

  • High Voltage | My Plasma Speaker

    Posted by Xray on Saturday 15 October 2011 - 00:22:56
    Did you use a normal audio transformer from radio shack or something special?

  • High Voltage | My Plasma Speaker

    Posted by Xray on Saturday 15 October 2011 - 00:22:56
    I've been shopping around for a "tube type" audio output transformer. I was wondering if you could post some specs of yours so I could narrow my se...

  • High Voltage | My Plasma Speaker

    Posted by Xray on Saturday 15 October 2011 - 00:22:56
    I've been shopping around for a "tube type" audio output transformer. I was wondering if you could post some specs of yours so I could narrow my searc...
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