EL84 | 7189 | 6BQ5 | 6P14P

Another classic power tubes, perfect for audio and guitar. 

Equivalents & Substitutes

EL84: 6BQ5, E84L, 7189

Please note, while the 7189 is just an upscale EL84, the 7189A is a higher power tube with a different pin-tie. Usually you can put a 7189A in place of an EL84 but not the other way around. 

The Russian 6P14P tube is equivalent to the 7189A.