3 Philco 25Z5 Vacuum Tubes Valves Shoulder / Coke Bottle NOS NIB Lot Of Three Royal Opera House -- GE 6L6GC output tube

-- GE 6L6GC output tube was tested on our Maxi-Matcher with 400 volts on the plates and a bias of -48 volts for shorts

I am playing it in my Musical Paradise MC-3 single-ended integrated amplifier with Badfinger's seminal "No Dice" album and they sound terrific

Interesting aside: my paternal great aunt who was from Atlanta did a screen test for "Gone With The Wind

These six gray glass 12BY7 / 12BY7A / 12BV7 tubes tested as follows on our Paul Hart-calibrated TV7/U where minimum (65%) is 46:

3 Philco 25Z5 Vacuum Tubes Valves Shoulder / Coke Bottle NOS NIB Lot Of Three Royal Opera House -- GE 6L6GC output tubeThis lot of three new old stock, new in box Philco 25Z5 tubes tested to spec on our Paul Hart calibrated TV7 U. They have shoulder ST Coke bottles and dimpled sheet getters. 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