3 Hytron JAN-CHY-0C3 0C3 VR105-30 VT200 Vacuum Tubes Milspec NOS-Testing Lot Of Three 8CS7 Minimum (65%) is 1430

Minimum (65%) is 1430

but not in guitar amps and other environments with loud noise and/or excessive vibration

This is a rather-early tube

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

They have HG YCN and EJ date codes

3 Hytron JAN-CHY-0C3 0C3 VR105-30 VT200 Vacuum Tubes Milspec NOS-Testing Lot Of Three 8CS7 Minimum (65%) is 1430These three milspec Hytron JAN CHY 0C3 VR 105 VT 200 regulator tubes were tested on our Paul Hart calibrated TV7 U. They measured (from left to right) 59, 60 and 82 where 40 is minimum. 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