2 x 6L6gb G.E. Tubes
Made in USA
D Getter
Matching codes are 58-26,188-4
Match tested on Enhanced Triplett E3444 Laboratory Tester by Paul Hart of Va.
6200 micromhos @ 79 mA
5975 micromhos @ 67 mA
Bogey(100%) = 6000 micromhos @72mA +/- 10%
Ask any questions before buying,not after