All vacuum tubes through GS-5A China military tester for testing.


Brand:  GE（made in USA)

Tube Type:  

5751WA Black Plates 3 Mica D Getter

Date Code:   (made in 1957-58)

Test results:   (  Minimum gm0.875ma/v , new gm1.25ma/v)

                          (1) gm=1.50 / 1.45 ma/v

                          (2) gm=1.45 / 1.50 ma/v

                          (3) gm=1.50 / 1.45 ma/v

                          (4) gm=1.45 / 1.50 ma/v


 

Shipping and handling: Free Shipping .

 

                                             
                             
                                                     SHIPPING

      （1） Shipped to United States about 15-20 working days.

      Shipping is via USPS Air registered Mail.


     （2）Shipped to worldwide about 20-30 working days.

      

                                                        Note:
Transport time will be subject to bad weather, flights,Detained in customs and holidays (eg Christmas Eve) effects. Project may be delayed, I can not control the transit time. If you have problems, please contact us! We try to help you solve the problem.