NOS Amperex EL34s XF4, welded plates, dual D getters
SKU: Amp EL34 MP
NOS. One tube labeled GE in original GE box. One tube labeled Valvo in white box. Matched within 2mA on the Maxi Matcher. Both original Philips/Amperex tubes, made in Holland, with XF4 production codes and dual D getters.