The invention includes a plurality of {HEAD ~ solid state tandem or series connected amplifier stages} having an input circuit and {TAIL ~ an output circuit} 
having
The invention includes a plurality of { HEAD ~ solid state tandem or series connected amplifier stages } having an input circuit and { TAIL ~ an output circuit }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL