[TCML] Dual-triode VTTC (811A/812A)?

[Christopher Karr <chriskarr4@xxxxxxxxxxx>]

Hello everyone,

I was curious as to whether or not a pair of vacuum tubes which are not matched (811A and 812A, in this case) might be usable in a push-pull-type VTTC (such as the dual-811A VTTC on Steve Ward's page). As far as I can tell, the only major difference between the two is the gain, though the rated drive-power, drive-voltage and output-power (as well as dissipation) are equivalent.

If this isn't a possibility (or there's a likelihood of near-immediate failure), may I ask why?

Thank you,

 - Christopher Karr
 		 	   		  
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