2 US-Made 6CZ5 Vacuum Tubes Lot Of Two Symphony 3 Eroica Transconductance measured (From left to

Transconductance measured (From left to right): 36

67 and 74 where minimum (65%) is 53

slant-D getter and excellent flashing

new in box JJ 5Y3S rectifier tube tested 52/51 in Sections One and Two

I played them with adapters (not included) in my Radio Craftsmen RC-2 monoblocks and they sounded great even though they test on the cusp

2 US-Made 6CZ5 Vacuum Tubes Lot Of Two Symphony 3 Eroica Transconductance measured (From left toThis pair of US made, black plate 6CZ5 tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. They measured 85 and 75, respectively, where minimum (65%) is 60. 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