RCA
NOS NIB Vintage 1974 RCA 12AX7A ECC83 TUBE
- Made in USA
Item#A571
NOS NIB. Vintage 1974, Tested strong, In excellent working condition.
Date code: EP - 1974
I tested all the tubes with TV7/BU Tube tester.
Minimum: 32
Tube#1: Triode#1: 46
Triode#2: 46