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