{TAIL ~ The ratio} of the drain signal output capability or {HEAD ~ swing} to the gate clipping level is 18/0.5=36, which is not as high as a tube circuit 
{ TAIL ~ The ratio } of the drain signal output capability or { HEAD ~ swing } to the gate clipping level is 18/0.5=36 , which is not as high as a tube circuit
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH