11 RCA 6GU7 Vacuum Tubes NOS NIB Lot Of Eleven Igor Zhukov Feigin beefy black plates: three mica

beefy black plates: three mica spacers for improved mechanical stability and low microphonics

Tube One (Unitron 5654-LABELED

I am playing them in my Sound Craftsmen RC-2 monoblocks (as an "excellent" 6SN7 substitute according to Antique Electronic Supply's "Tube Substitution Guidebook") with "Hanson Conducts Ives

EIA Factory Codes: none

11 RCA 6GU7 Vacuum Tubes NOS NIB Lot Of Eleven Igor Zhukov Feigin beefy black plates: three micaThere are eleven new old stock, new in box RCA 6GU7 tubes for sale in this listing. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS ITEMS UP TO $250 IN VALUE. IF