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"Half Power" switch problem

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  • #61
    Originally posted by g1 View Post
    You said it popped the fuse on the 3rd power on. Was it warm at this time? Does it pop instantly?
    I'm just trying to pin down whether the 10 second bias and B+ ramp up is a factor or not. Has a slow-blow fuse ever blown from a complete cold start, and if so, how long after turn on did it blow?
    before each power up i let the amp sit for 20 seconds..and the hv is down to 10 volts or so. i have powered back up within 5 seconds.

    yes its blown from complete cold start ---its very random and pops within 1 second of flipping switch

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