[Harp-L] re blues jr.



If you are using a Shure stick mic i.e. 545, 533 etc. try 12ay7s in the pre-amp slots .
  They work great in my Pro Jr. Also don't forget you can mix and match the pre-amp tubes til you get what you want. Just remember THESE CAN HOLD A LETHAL AMOUNT OF VOLTAGE  even after the amp has been off for a while. Be safe.
                                                                                                 Mike
                                                            
                                                               
   
   
   




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