(!!!) (BEST PAIR) EF184 Mullard branded Philips NOS 1964-1965 (11.4ma and 11.8ma)

1 pair) EF184 Mullard branded Philips NOS 1964-1965 in Philips boxes

1 tube) 11.4ma Gm=16,800

1 tube) 11.8ma Gm=16,300

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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