RCA 1642 US Navy CRC-38233 Vacuum Tube Milspec Micanol Base 17KV6 Noval T37

RCA 1642 US Navy CRC-38233 Vacuum Tube Milspec Micanol Base 17KV6 Noval T37This milspec RCA 1642 dual triode was tested on our Paul Hart calibrated TV7 U. or shorts, gas and transconductance. There were no shorts and it measured a perfectly balanced 44 44 where minimum (65%) is 34 32 and 100% is 52 52. It has a micanol base; a D getter; US Navy markings and excellent flashing. 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

This Amperex 8020 half-wave rectifier tube was tested on our Paul Hart-calibrated TV7/U

Their internal structures are all the same

new in box matched pair of RCA 12SN7GTA dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box matched pair of JJ low noise 12AX7 / ECC83 / 12AU7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box (for Tube Two) GE 12SN7GT dual triodes was tested on our Jackson 648 Mutual Conductance tester for shorts

For sale is one new old stock

new in box RCA 6DW4B tubes tested to spec on our Paul Hart-calibrated TV7

All four tubes' diodes tested fine as well

This nicely-illustrated story book is in very good condition

This Sylvania milspec / industrial 5814 / 12AU7 / ECC82 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

The spine is in fine shape with no loose pages

new in box matched pair of Hytron 1622 tubes was tested on our Paul Hart-calibrated TV7/U for shorts