6 US-Made 9003 JANCKR9003 VT203 JRC9003 Vacuum Tubes Milspec NOS NIB Lot Of Six JRC5763 Milspec gas and transconductance on our

gas and transconductance on our Paul Hart-calibrated TV7/U as well as a Hickok and a Superior

Both have BW date codes

Tung-Sol-MANUFACTURED) measured 30 while Tube Two measured 31 where minimum (65%) is 22 and 100% is 34

new in box milspec RCA 12SG7 JAN-CRC-12SG7 tube tested to spec on our Paul Hart-calibrated TV7/U

Support Rods: copper

6 US-Made 9003 JANCKR9003 VT203 JRC9003 Vacuum Tubes Milspec NOS NIB Lot Of Six JRC5763 Milspec gas and transconductance on ourThese six milspec new old stock, new in box US made 9003 JAN CKR 9003 VT 203 JRC9003 tubes tested to spec on our on our Paul Hart calibrated TV7 U. One is a Ken Rad; the rest are RCA. 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