Sylvania 6B4 6B4G Vacuum Tube Triode Output Tube Limeliters I wish I could tell

I wish I could tell you how they sound and from what I can suss out

It has very-light surface noise

incredibly-super-rare

This tube is sold as-is as I have not found a setting for it

IN OVER 9000 SALES IN BOTH OF OUR ETSY STORES

Sylvania 6B4 6B4G Vacuum Tube Triode Output Tube Limeliters I wish I could tellThis Sylvania 6B4G tubes was tested on our Hickok Paul Hart calibrated TV7 U for transconductance, shorts and gas. There was no shorts or gas. It measured 54 for minimum (65%) is 38 and 100% is 58. It has 0 26 date codes; perforated plates; a dimpled sheet getter and outstanding flashing. 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