3 RCA 1S4 Vacuum Tubes NOS NIB Lot Of Three July 08 2025 This lot of eight US-made

This lot of eight US-made mesh plate type 36 tubes tested as follows on our Paul Hart-calibrated TV7/U:

The 1X2 has been revised to "1X2A"

Two are milspec and two are civilian

dimple getters

This RCA 807 output tube was tested with adapters on our Maxi-Matcher 2 for shorts

3 RCA 1S4 Vacuum Tubes NOS NIB Lot Of Three July 08 2025 This lot of eight US-madeThis lot of three new old stock, new in box RCA 1S4 tubes tested to spec on our Paul Hart calibrated TV7 U. 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. ETSY PURCHASE PROTECTION COVERS ITEMS