(!!) 6336 Chatham by Tungsol metal plates used 1950”s 1st series made (54ma/85ma)

1 tube) 6336 Chatham by Tungsol metal plates used 1950”s 1st series made

1 section) 54ma Gm=6900

1 section) 85ma Gm=8400

Tested on Amplitrex

Good used Ma range 60-80ma

Good used Gm range 7000-8000