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dc spike

  1. xrayspex77

    HK 730 Separating Heatsink from Amp Board

    My HK730 has a 40VDC (at Speaker Terminal) Spike in the L Channel when powering On. After about 5 mins it will settle to around 100mV. If I power off/on the spike is minimal. Discovered that unplugged I get 8VDC at the L Terminal until whatever Cap it pulling from is drained. R Channel is Good...
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