These tubes are similar to ECC83 and 12AX7 but NOT direct replacement.!!!

       6N2P-EV could be used as a replacement for ECC83 and its equivalents, but only respecting some conditions about heating connections, please consult datasheet or ask us before buying for this purpose.




Matched Pair 6n2p-ev /12ax7/ecc83 Russian Tubes NOS/NIB                        Same Codes 1980-84

 Each tube is heated at least one hour before testing, for an even better measurement accuracy (In the description photos one can see both the tubes, and the tube tester, during the heating and the testing process)
               
This tubes were tested on high end russian military tube tester L1-3 by a qualified engineer!
                 
                          
                                                                          
                                                    Manufactured  in 1980 SAME DATE CODES
                                                            Military quality check passed (rhombus).
                     
                                       OTK (quality control) passed. 

                                      The tubes are never used. Old stock.

These tubes are similar to ECC83 and 12AX7 but NOT direct replacement.