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4.21 out of 5
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  • 26/10/2021

    Awesome. It works properly with 12v 5amps power input. The audio is not too loud but its still really good at this price. Just 1 problem that u cant use it for for than 1 minute at a time cuz it heats up a lot.

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  • 19/11/2021

    Forget to add in package 10u Capacitors, so i cannot finish device.

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  • 19/04/2018

    This kit comes with everything you need to build a switching oscillator + a flyback transformer & ceramic spark gap to produce HIGH VOLTAGE arc. Note that this project, as any high voltage device, is inherently dangerous and must be treated as such. Detailed build video/instructions at:

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  • 07/04/2018

    No information as to 'R8' component rendering the whole thing a waste of time. we need a circuit diagram please.

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  • 06/10/2018

    Works as advertised.

    Comments (1)
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  • 26/09/2017

    Qualitative sound from the ether.

    Comments (1)
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  • 20/08/2019

    A lot of surface composent to sold...

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  • J.VIP1

    No construction manual and no markings on the resistors and condensators so needed to get a measurement device to check.

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  • 28/08/2018

    Good value

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  • 20/05/2018

    smd delivered does not match the part list: 4x 10nF, 0x 1nF. 1x 330E instead of 2x [301]

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