6 US-Made 6GX6 / 6GY6 Vacuum Tubes Valves NOS NIB Lot Of Six 6BS8 Nonal T22

6 US-Made 6GX6 / 6GY6 Vacuum Tubes Valves NOS NIB Lot Of Six 6BS8 Nonal T22These six US made 6GX6 6GY6 tubes tested were on our Paul Hart calibrated TV7 U. They measured 21. 21. 21, 24, 25 and 26 where minimum (65%) is 21. 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.

It is dead quiet when the preamp is muted and has excellent frequency response and sound-staging

This lot of five Toshiba-MANUFACTURED 8FQ7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

It was not an original recording

they are sold as-is with no returns

Minimum (65%) is 47 and 100% is within a half standard deviation of 72 or so

These are World War Two-vintage tubes sourced from third parties to fulfill the second party's military contract

Transconductance was 1240 for Tube One and 1380 for Tube Two where new/nominal is within one standard deviation of 1900

48 and 51 where minimum (65%) is 32 and 100% is 49

This amp was designed to use 6SN7s and I do not recommend using 12SN7s

side O getters and excellent flashing

new in box Sylvania 12AV7 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

This RCA Radiotron number / type 80 rectifier tube was tested on our Paul Hart-calibrated TV7/U