Description
Sylvania 12SL7GT DUAL TRIODE TUBE AUDIO VACUUM TUBE AMPLIFIER TYPE TUBE PREAMPLIFIER TUBE RADIO VACUUM TUBE GUITAR AMP TUBE VINTAGE STOCK GT Shape Clear Glass Gray Plates Top Foil Getter Chrome Top Plastic Base Label Printed on Base TESTED STRONG MADE IN USA DATE CODE: 422 TESTED on SENCORE TC-136 Results: 100% / 100%