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In Reply to: Like Ralph said,.. posted by Lew on February 14, 2015 at 10:52:38:
You can't push it into A2 very easily due to the immense grid currents involved. If we went to a semiconductor driver we might be able to get a few extra watts.
The 6AS7 goes into grid current while the grid is still about 15 volts negative with respect to the cathode- its onset of grid current is much more gradual by comparison. We can drive the tube to about +15 volts on the grid before the saturation currents become so immense that they saturate the driver (which in turn saturates the voltage amplifier).
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- Grid saturation - Ralph 08:17:00 02/16/15 (0)
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