4 European 6GJ7 / ECF801 Vacuum Tubes NOS NIB Lot Of Four 82 Eightytwo This lot of three Raytheon

This lot of three Raytheon 12AX4GT / 12AX4GTA / 12AX4GTB tubes tested to spec on our Paul Hart-calibrated TV7/U

This matched pair of RCA-MANUFACTURED 6F6G tubes was tested on our Maxi-Matcher 325 volts on the plates and a bias of -36 volts for shorts

These two have great pipes

1941 in fulfillment of a US government contract for which WE had insufficient capacity and had to subcontract out

it has no gross issues such as hum or microphonics and will work excellently in your audio device that calls for a 12AT7

4 European 6GJ7 / ECF801 Vacuum Tubes NOS NIB Lot Of Four 82 Eightytwo This lot of three RaytheonThis new old stock, new in box lot of four European made 6GJ7 ECF801 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