4 Sylvania 6U7 6U7G Vacuum Tubes Lot Of Four 6AV5 Octal Both tubes measured 69 where

Both tubes measured 69 where minimum (65%) is 55

This matched pair of Sylvania gray glass 7C5 tubes was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volt for shorts

They are dead quiet when the SACD player is muted but are not recommended for this amp -- which was designed for 6SN7s -- as they not only break up early

The Hickok-tested 6AV5 tested 4200 micromhos where new/nominal is 3900

copper support rods and good flashing

4 Sylvania 6U7 6U7G Vacuum Tubes Lot Of Four 6AV5 Octal Both tubes measured 69 whereThese four Sylvania MANUFACTURED 6U7G tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. They tested (from left to right) as follows: 44, 52, 55 and 55 where minimum (65%) is 40. BECAUSE OF THE BIZARRE, INTRUSIVE, CRUEL AND DRACONIAN GERMAN PACKAGING REGULATIONS AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM WE NO LONGER SHIP TO GERMAN ADDRESSES. WE WILL HAPPILY SEND YOUR PACKAGE TO A