jandl100
15-07-2009, 08:17
This is a Pair of RCA 6SN7GTB Black plate tubes, same date code NL.
They were tested on an Amplitrex AT1000. These were tested in Emissions MA and Transconductance Gm in Ma/v where 100% is average for a new tube. these tested
Tube 1: Emissions 102/94% Gm 119/106%
Tube 2: Emissions 126/102% Gm 136/120%
£20 UK delivered.
http://i262.photobucket.com/albums/ii114/jandl100/6SN7RCApair.jpg
They were tested on an Amplitrex AT1000. These were tested in Emissions MA and Transconductance Gm in Ma/v where 100% is average for a new tube. these tested
Tube 1: Emissions 102/94% Gm 119/106%
Tube 2: Emissions 126/102% Gm 136/120%
£20 UK delivered.
http://i262.photobucket.com/albums/ii114/jandl100/6SN7RCApair.jpg