(!!!) (PAIR) EF184 Mullard branded Philips NOS 1964-1965 (8.0ma and 8.2ma) 1-3% matched

1 pair) EF184 Mullard branded Philips NOS 1965 in Philips boxes

1 tube) 8.0ma Gm=13,500 (1964)

1 tube) 8.2ma Gm=13,000 (1965)

Tested on Amplitrex

Vplate=200V

Vscreen=200V

Vgrid= -2.5V

Good Ma range 9-11ma

Good Gm range = 13-15,000

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