Super Silvertone Type 47

POWER VACUUM TUBE

AMPLIFIER TYPE TUBE

VINTAGE STOCK

Coke Bottle Shape

Black Plate

Bottom Cup Getter

Engraved Base

MADE IN USA

DATE CODE: 5CX

TESTED on HICKOK TV-7

Results: 53

Minimum: 50

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