Tube Equivalent Chart

EF86 - 6BK8
ECC83 - 12AX7, 7025
ECC82 - 12AU7, 6189, 6C4
ECC81 - 12AT7, 6201, 6AB4
12AY7 - 6072A

EL34 - 6CA7
EL84 - 6BQ5, 7189, 7320

EZ81 - 6CA4
GZ34 - 5AR4

6V6 - CV511, 7408