6 US-Made Number Type 43 #43 Vacuum Tubes Valves Lot Of Six T08o They were dead quiet when

They were dead quiet when the preamp was muted and had excellent frequency response

64 and 64 where minimum (65%) is 50 and 100% is 77

black 17MM plates

These tubes have excellent frequency response

6 US-Made Number Type 43 #43 Vacuum Tubes Valves Lot Of Six T08o They were dead quiet whenThis lot of six US made type 43 tubes was tested our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measured as follows: 44, 44, 74, 76, 82 and 85 where minimum (65%) is 58 and 100% is 89. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE PROBABLY HAVE IT. PLEASE ALSO SEE OUR ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR