Sylvania 6BL8 ECF80 Vacuum Tube Valve NOS NIB RCA NOS NIB They measured 85 and 75

They measured 85 and 75

new in box GE 12FX8A tubes tested to spec on our Paul Hart-calibrated TV7/U

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This lot of fourteen RCA 6AG7 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

new in box Sylvania 1X2 tubes tested to spec on our Paul Hart-calibrated TV7/U

Sylvania 6BL8 ECF80 Vacuum Tube Valve NOS NIB RCA NOS NIB They measured 85 and 75This new old stock, new in box Sylvania 6BL8 ECF80 tube tested to spec on our Paul Hart calibrated TV7 U. It was made in the USA. 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