(!!) (PAIR) 5750=6BE6W Sylvania JAN NOS 1970”s (1.5/1.5ma)

1 pair) 5750=6BE6W Sylvania JAN NOS 1970”s

1 tube) 1.5ma Gm=900

1 tube) 1.5ma Gm=900

5750=6BE6W

Good Ma range 1.5-2.0ma

Good Gm range 800-1000