5 General Electric GE Number Type 27 #27 Vacuum Tubes Lot Of Five Choral Stereo LP new in box GE 12FX8A

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

Transconductance measured 4100/3400 micromhos

This Moss Music Group DBX pressing has no surface noise but a very few pops and ticks

6 milliamps' plate current while Tube Two drew 27

Transconductance was 1900 for Tube One and 1800 for Tube Two where new/nominal is within one standard deviation of 1900

5 General Electric GE Number Type 27 #27 Vacuum Tubes Lot Of Five Choral Stereo LP new in box GE 12FX8AThese five GE number type 27 tubes tested as good on our Paul Hart calibrated TV7 U. Transconductance readings are 30, 33, 34, 34 and 35 where minimum (65%) is 25. 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