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. There is technically no modern version / equivalent of the 7189A.