4 Sylvania 12Q7 12Q7GT Vacuum Tubes NOS NIB Lot Of Four US-Made NOS 6AS8 It sounds very good with

It sounds very good with an occasional pop and tick audible in the pianissimo passages

Please be sure your device has enough current to run them

slant-D getter and excellent flashing

Transconductance was 1890 for Tube One and 2000 for Tube Two where new/nominal is within one standard deviation of 1900

This new old stock-testing matched pair of RCA 6CG7 / 6FQ7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

4 Sylvania 12Q7 12Q7GT Vacuum Tubes NOS NIB Lot Of Four US-Made NOS 6AS8 It sounds very good withThis lot of four Sylvania 12Q7GT tubes tested to spec on our Paul Hart calibrated TV7 U. They are the new, straight bottle bottle variety. 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