I'm looking at a matched pair of Amperex EL84.
The date code is < 3 I 1
Can someone confirm for me the year of manufacture and location of manufacture?
I can never interpret the Philips coding system. He claims they were made in Herleen but the "<" is Philippines, I think. Hopefully I'm wrong.
This post is made possible by the generous support of people like you and our sponsors:
Topic - Need help with Amperex date code - greg7 11:56:11 05/26/12 (2)