Without a stable, low impedance bias voltage, even assuming the amplifier is
not designed to ever draw grid current, many of today's transceivers could
not be used as drivers.
The reason is that many have spikes when first transmitting. That spike
will produce severe splatter in those amplifiers that assume it will never
happen.
So, your "perfect" amplifier will only be able to be connected to a
"perfect" transceiver.
But, what happens when you step on the tail of Tiger the cat, who yowls into
the mike. Since you have no agc (distortion), the input level will exceed
the drive level you have set and grid current will be drawn. At that point,
your neighbor minding his own business 60 kHz down frequency will hear the
problem.
I suppose one could operate a 10 kw final at 1.5 kw so that even the
overdrive from normal would never happen - but the few hams I know who have
big amplifiers seem to extend themselves once in awhile (whenever they need
to).
73, Colin K7FM
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