(!!) (Best Value Single) EF14 Telefunken Germany used/good 1950 (12.5ma)

1 tube) EF14 Telefunken Germany used/good (kb=1950) in white box

12.5ma

Gm=6300

Good used Ma = 10-15ma

Good used Gm = 6000-6500

– Pearlman TM1