Raytheon 30KD6 Vacuum Tube Valve NOS NIB

Raytheon 30KD6 Vacuum Tube Valve NOS NIBThis Raytheon 30KD6 tube 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 UP TO $250 IN VALUE. IF AN ITEM IS

new in box RCA 31LQ6 tube tested to spec on our Paul Hart-calibrated TV7/U

enormous double-D getters and anode radiators for cooler operation and longer life

50 and 52 where minimum (65%) is 30

new in box US-made 7X7 / XXFM tubes in this lot

new in box Westinghouse 6AQ5A tube tested to spec on our Paul Hart-calibrated TV7/U

a goal post getter and copious flashing

The dynamic range and Mu readings

Transconductance measured 55 for Tube One and 60 for Tube Two where minimum (65%) is 40

The spine is in fine shape with no loose pages and the dust jacket has only very-minor nicks and tears

new in box RCA 1G3GT / 1B3GT rectifier tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box US-made 6SH7 tubes tested to spec on our Paul Hart-calibrated TV7/U

I played it in one of my Radio Craftsmen RC-2 monoblocks and it sounds outstanding even though it tests on the cusp