For operation with an alternating current power source, the power circuit can be provided with a power conditioner for regulating the voltage and amperage of the discharge current, and {TAIL ~ a selectively adjustable frequency regulator} for regulating the frequency of {HEAD ~ the discharge current} 
For operation with an alternating current power source , the power circuit can be provided with a power conditioner for regulating the voltage and amperage of the discharge current , and { TAIL ~ a selectively adjustable frequency regulator } for regulating the frequency of { HEAD ~ the discharge current }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD