6 US-Made 6K5 6K5GT Vacuum Tubes NOS NIB Lot Of Six As Published In The new in box National Union

new in box National Union type 43 tubes tested to spec on our Paul Hart-calibrated TV7/U

Transconductance: 2710 micromhos

This tube has anode radiators for cooler operation and longer tube life

Source material is The Beatles "Yellow Submarine Songbook" and they sound terrific

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

6 US-Made 6K5 6K5GT Vacuum Tubes NOS NIB Lot Of Six As Published In The new in box National UnionThese new old stock, new in box 6K5GT tubes tested to spec on our Paul Hart calibrated TV7 U. Five are Sylvania and one is National Union. 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