Syltone 6L6 Vacuum Tubes NOS NIB
i have 7 new in original box Syltone 6L6 tubes. These are beautiful prisitne new old stock tubes. not sure what date they are but i've had them for 30 years and i bought them then os nos nib. i think they are 40-60's vintage. these. anyway, probably some info on internet. i used some years ago and they performed as per spec.