From: Vandaagniet@onbekend.zz   
      
   iamdom wrote:   
      
   >   
   > Hi folks, just joined this forum. I'm wondering if someone here is   
   > familiar with an old bipolar transistor mic amp that I have had among my   
   > collection for about 20 years. I purchased it second hand from an   
   > electronic vintage store here in Adelaide, South Australia [from   
   > "Robby's",  off the bottom of Port Road]. It uses low power, low noise   
   > A.F. transistors in all its stages [Fairchild SE4010 2N3566, 2N4250 -   
   > 2N4360, RCA 40361 - 40362]. It runs on 3 X 9V batteries [27V]. There is   
      
   This newsgroup is about tubes.   
      
   As seen by the pictures, it looks modified.   
   If you want to know how it works, you can draw the schematic from the pcb.   
   Even a hobbyist can do this.   
   Sorry, that's all I can help.   
      
   Regards,   
   Jan   
      
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