(!!!) (BEST PAIR) EF184 Mullard branded Philips NOS 1965 (10.8ma and 11.2ma) 1-3% matched
By Tube World
$ 69.99
1 pair) EF184 Mullard branded Philips NOS 1965 in Philips boxes
1 tube) 10.8ma Gm=15,800
1 tube) 11.2ma Gm=16,100
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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 (BEST PAIR) EF184 Mullard branded Philips NOS 1965 (10.8ma and 11.2ma) 1-3% matched "Pin It")