6267=EF86 Amperex East Germany by RFT NOS 1982
2.3ma
Gm=1800
Tested on Amplitrex
Good Ma range 2.5-3.5ma
Good Gm range 1800-2200
- Vox AC10, AC30
- Dr. Z Z-28
- Vox AC15HTVH head (install all Mullard tubes)
- Eastern Electric M520
- Matchless C-30, SC30
- Bottlehead