[Electrostax]

 
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I have been using my old faithful SR-34 system for almost twenty years of outstanding service, and now think seriously about letting them retire honorably and replacing them with the younger family member SR507. 
Do any of you know if the 507´s can be run of the SRD-34 energizer? (although originally used to power the electret sr-30´s)
I am naturally going to mate them with something more appropriate like a woo ges or a blue hawaii in due time, but limited funds dictate a little-by-little approach, and in the meantime i may not need a woo wee or similar if the old srd-34 can be used while saving up....  
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[Electrostax]

If anyone else is wondering the same thing, I got my reply on the big stax  thread; The electret srd´s does not provide the nessecary bias voltage for true electrostatic phones, so will not work.  
Woo Wee and SRM 252´s aren´t prohibitively expensive though so they may serve as an interim solution while saving up for the big expensive amps....