RCA Radiotron Number / Type 80 Vacuum Tube Rectifier Black Plates Shoulder ST Shape 6AS8 Nonal T30 new in box Tung-Sol 66BC8

new in box Tung-Sol 66BC8 tube tested to spec on our Paul Hart-calibrated TV7/U

This Telefunken smooth plate 12AX7 / ECC83 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

Menin" by Mercury Living Presence

It is probably a Mullard

Transconductance measured 38/39 where minimum (65%) is 21/21

RCA Radiotron Number / Type 80 Vacuum Tube Rectifier Black Plates Shoulder ST Shape 6AS8 Nonal T30 new in box Tung-Sol 66BC8This RCA Radiotron type 80 rectifier tube was tested on our Paul Hart calibrated TV7 U. It measured 56 52 where minimum (65%) is 40 40 and 100% is 62 62. It has a D getter; a silkscreened base; good flashing and an 817 date code. . 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