One more thing to mention here:
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Because LTspice finds the lack of a load (DC path) connected to node Vout, it "corrects" the omission by adding a small conductance (large resistance) there.? It has to do that because it can't solve for the circuit's voltages without it.? Every node must have a DC path to ground.
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With GMIN connected there, there is a little current through the output coupling capacitor, rather than zero as it would be in theory.
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Andy
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