Description
(!!!!) (Recommended XF2 Pair) EL34 Mullard XF2 NOS (1 tube) double halo “O-O” (1 tube) single halo “O” 1967-1968 (90.5ma and 92.8ma)
1 matched pair) EL34 Mullard XF2 NOS 1967-1968 (1 tube) single halo (1 tube) double halo – same build
1 tube) 92.8ma Gm=11,850 branded VALVO (xf2-B7C1=1967) double halo “O-O”
1 tube) 90.5ma Gm=11,250 branded Telefunken (xf2-B8L2=1968) single halo “O”
Matched on Amplitrex:
Vplate=265V
Vscreen=250V
Vgrid=-13.5V
Good Ma range 75-90ma
Good Gm range 10,000 – 11,000
Recommended for
– Diezel Stereo Guitar Amplifier
– CARR amplifiers
– Marantz 2
– Manley Snapper