1 matched pair) EL34 Mullard UK XF2 double round "O-O" getter halo used/good 1965-1967 in white boxes

1 tube) 72.0ma and Gm=10,900 branded Philips Miniwatt 1965

1 tube) 76.5ma and Gm=10,650 branded Siemens 1967 - taller bottle

Matched on Amplitrex 

Good used mA range 60-80ma

Good used Gm range 10,000-11,000
 

Recommended for

- Diezel Stereo Guitar Amplifier
- CARR amplifiers
- Marantz 2
- Manley Snapper