Philco 7A5 Vacuum Tube Valve NOS NIB 6LX8 T17 36/37 and 40/38where minimum (65%)

36/37 and 40/38where minimum (65%) is 40/40

Tube Two tested 24

new in box GE 12L6GT tubes tested to spec on our Paul Hart-calibrated TV7/U

Baldwin-BRANDED and SELECTED 12AU7A / ECC82 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

Transconductance measured 35

Philco 7A5 Vacuum Tube Valve NOS NIB 6LX8 T17 36/37 and 40/38where minimum (65%)This new old stock, new in box Philco 7A5 tube tested to spec on our Paul Hart calibrated TV7 U. It is still stapled in its box. 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