Reply To: Testing voltage to the points on the Sportfour Imperial

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October 30, 2025 at 9:26 am #301075
Buccaneer
Participant

    US Member

    Gary, I looked up this resistor before, but I seen specs that
    the resistance was only around 1.5 ohms.
    Now I see in some specs that it’s listed two ways as shown
    below. I’ll have to study up on what this actually means.
    Thanks!
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    Standard RU12

    Ballast Resistor

    Specification:

    Operating Resistance: 4.75-5.75 ohms At 25 Degrees Celsius
    Cold Resistance (ohms): 1.15-1.38

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