3 Sylvania Number / Type 78 #78 Vacuum Tubes Valves Shoulder ST-Shape Lot Of Three Gebraucht 50L6 (New 6SN7s typically test within

(New 6SN7s typically test within a standard deviation of 2600 micromhos

They are not suitable for guitar amp application as they are somewhat microphonic

8 milliamps' plate current / 2170 micromhos

It is a wind-up (not automatic) ladies' gold-plated / anodized Timex watch

3 Sylvania Number / Type 78 #78 Vacuum Tubes Valves Shoulder ST-Shape Lot Of Three Gebraucht 50L6 (New 6SN7s typically test withinThese three Sylvania plate number 78 tube were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measured as follows: 44, 46 and 52 where minimum is (65%) is 36 and 100% is 55 and 100% is 55. 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