{HEAD ~ Each diode} 162, 164 and 166 conducts in the forward direction and thereby establishes {TAIL ~ a clipping level} at approximately +0.5 volts change in gate swing to emulate distortion associated with grid conduction in a tube amplifier 
establishes
{ HEAD ~ Each diode } 162 , 164 and 166 conducts in the forward direction and thereby establishes { TAIL ~ a clipping level } at approximately +0.5 volts change in gate swing to emulate distortion associated with grid conduction in a tube amplifier
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH