3 RCA 0C3 0C3 Vacuum Tubes Lot Of Three PCC88 Nonal This black plate Sylvania 5U4GB

This black plate Sylvania 5U4GB rectifier tube tested 52/48 in Sections One and Two

new in box DuMont 6LU8 tube tested to spec on our Paul Hart-calibrated TV7/U

They may be Chinese

gray plates with two rectangular holes per plate and good flashing

3 RCA 0C3 0C3 Vacuum Tubes Lot Of Three PCC88 Nonal This black plate Sylvania 5U4GBThese three RCA 0C3 VR 105 VT 200 regulator tubes were tested on our Paul Hart calibrated TV7 U. They stroke at (from left to right) 59, 68 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 ARE AUTOMATICALLY