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  • March-02 2019 19:47:05

    Pretty standard fare, and exactly what I wanted and expected.. Small, potted, high voltage, step-up transformers. Quality seems fair to good, especially considering the price point. I haven't tested the input current yet, but my tests were done at 6VDC on an HP 6281A, in open air I got about a 15mm spark. The blue tape in the picture is mine. These have no markings whatsoever, and I didn't want to carve on the case. I don't know how thin the case can get before stray voltage becomes a concern. I

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  • April-03 2018 02:56:35

    fast shipping cheap price

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  • December-05 2019 20:01:17

    flat lined

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  • May-12 2018 02:02:55

    Product is OK, not upto the mark, i think the capacitor inside weakens after few arcs generated. So have to reduce distance between points after usage

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  • January-02 2018 00:58:55

    con alimentazione 3v inizia a produrre discreti archi, (2cm). a 7,4v arriva anche a 3-4 cm.

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  • March-16 2018 11:14:03

    Ne ho preso un pacco da 3 visto la qualità ed il prezzo molto concorrenziale. Consigliato

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  • February-23 2018 00:58:44

    secondo acquisto, oggetto funzionante, forse troppo delicato, se per errore si allontanano di poco gli elettrodi, si danneggia immediatamente

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  • October-05 2017 15:43:28

    J'avais besoin d'un module de ce genre et le pack de 3 à ce prix la c'etait magique, temps de livraison correct environ 3 semaines.

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  • August-09 2017 17:37:12

    very good, strong spark, want to use them for starting a pulse jet. Very impressed. tested them up to a 25mm spark gap.

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  • October-24 2019 04:20:14

    schnell

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