10-25-2015, 11:08 PM
Not a bad thought there, take Variac, lower the voltage, see if that cures it.
Another thing, the hum might be your xfmr vibrating. Not too much can be done but the hum also gets louder with increased voltage.
Another thing, the hum might be your xfmr vibrating. Not too much can be done but the hum also gets louder with increased voltage.
People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.