RCA 6SN7 GT VT-231 CRC GENNAIO 1940S GRIGIO FUMO ALATO MICA LAMINA CROMATA SET ABBINATO
WINGED MICA TOP. Production Year: 1940s. MATCHED SET. Closely Matched Codes: V2E V4E. LEGENDARY GRAY SMOKE. Zero Drop in Tube Life Test. I mark every tube in order to avoid tube rolling! BEST TUBES ON THE MARKET. NO LEAKS. NO SHORTS.