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12ax7 parallel SE

7/29/2000 8:40 PM
eric
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12ax7 parallel SE
Does anyone know what impedance an output transformer should be for a 12a_7 tube running in parallel SE operation would be? Anyone have any ideas on where to look for how to run the tube as a triode as a power amp tube instead of a preamp tube or is it the same way but just connected to an output transformer? Any ideas as to how much signal a preamp needs to give a 12a_7 SE to function? Any ideas as to what happened to duncanamps.simplenet.com website?  
thanks

 
Replies:
Winnie Thomas eric,Here's an exer... -- 7/30/2000 12:39 AM
anonymous http://www.duncanamps.com/... -- 7/30/2000 4:05 PM