Using a transformer to create balanced signals reduces circuit complexity, especially for grid current operation (very rare in valve guitar amps). 
If a negative feedback loop is desired, then having 2 transformers within it would necessitate them having a good spec.
			
			
													Phase Inverter Choices
Moderators: pompeiisneaks, Colossal
Re: Phase Inverter Choices
					Last edited by pdf64 on Sat Jan 01, 2022 5:23 pm, edited 1 time in total.
									
			
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						Re: Phase Inverter Choices
Interesting! That would be fun to try and see how it worked out.