5 General Electric GE Number Type 27 #27 Vacuum Tubes Lot Of Five Choral Stereo LP straight-bottle bottle variety

straight-bottle bottle variety

Tube One measured 61/60 while Tube Two measured 68/68 where minimum (65%) is 50/50 and 100% is 77/77

It sounds very good with light surface noise and the occasional click and pop

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

Transconductance measured 4100/3400 micromhos

5 General Electric GE Number Type 27 #27 Vacuum Tubes Lot Of Five Choral Stereo LP straight-bottle bottle varietyThese 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