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12AY vs 5751?

4/21/2002 7:51 PM
Al Nelson
12AY vs 5751?
Has anyone tried a 5751 as the first preamp tube in the 5E3?  
I know it has more gain (mu of 70 instead of 45), but the new EH 5751 with spiral filaments is supposed to be nice and quiet with AC heater circuits. That could be a good in a DeLuxe...  
Any thoughts or suggestions? changes to component values to make it work?  
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