RCA 5Z3

POWER VACUUM TUBE

RECTIFIER TYPE TUBE

VINTAGE STOCK

Coke Bottle Shape

Black Plates

Bottom [] Getter

MADE IN USA

DATE CODE: 648

TESTED on HICKOK TV-7

Results: 42 / 40

Minimum: 40 / 40

Combined Shipping Available!  Buy any amount of Tubes in USA and pay just shipping for one! International buyers combined shipping 0-8 oz package $16  and  8-24 Oz - $26

All Tubes Tested on a Calibrated Hickok TV7 or Sencore TC136