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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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Ships within 48 hours · Estimated delivery Jun 22 - Jun 27
US$40
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