Very Rare 6189 12AU7A premium grade made in France for Philips

                     Tested very Good with results of 2500/2350  when the minimum working is 1385/1385 

                      and maximum for new is 2200/2200 on my Stark 9-66  tube tester .

                         

                              Also tested with my old Garnet Tube Amp. with a good vintage sound.

                 

                                  Shipping is $18 For Canada , $15 for USA and $25 for others countries.