RCA 6HF5 Compactron Vacuum Tube NOS NIB

RCA 6HF5 Compactron Vacuum Tube NOS NIBThis new old stock, new in box RCA 6HF5 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

originally recorded in 1939 on shellac

new in box GE 6BY6 tubes tested to spec on our Paul Hart-calibrated TV7/U

I am playing it in one of my ArtSound monoblocks as I write and it is absolutely silent

Tubes Three and Four measured 2260 and 2380

These tubes have excellent silkscreening

This new old stock-testing matched pair of milspec RCA metal bottle JAN-CRC-6V6 output tubes was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volts for shorts

new in box Raytheon 40KG6 tube tested to spec on our Paul Hart-calibrated TV7/U

These are great-looking

There is a shield between the triodes for reduced cross talk

Tube Ten: 44/1800

new in box GE 38HE7 tubes tested to spec on our Paul Hart-calibrated TV7/U

gray plates and an anode radiator for cooler operation and longer life