#1
Hey guys,

About a month ago I posted about my Blackheart Little Giant head blowing a fuse and having the EL84 power tube die.

So today I went and ordered some new tubes.

1 JJ El84
and one Electro Harmonix 12AX7

Will I be able to just pop these things in with a new fuse and be good to go?
Or is there something else I have to do?

thanks ahead of time
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#2
I would have just changed the fuse first - just on speculation. Those are the right tubes so what are you worried about? if it was one of the tubes that caused the fuse to go then you will fix the amp. if it was something else (unlikely, but possible, you won't). Nothing you can do about it, so why worry?

I do notice that Blackheart manual says check the biasing.
Last edited by PSimonR at Mar 22, 2013,
#3
Quote by PSimonR

Oh, there's a note about biasing adjustment, but I can't find out even if this is necessary on this sort of amplifier.



I doubt it will need to be biased. It should be self adjusting.
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#5
Yeah it was the EL84 that died.
I'm 100% sure of that.
I just really didn't know if it needed re-biasing.
Fender Telecaster
Squier Jazzmaster
Fender Deluxe Stratocaster
Hagstrom F-301
Epiphone Dot

Big Muff Pi
Small Clone
MXR Phase 90
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Crate V33H>Bugera2x12

Bunderthird (Alt Rock)
www.facebook.com/bunderthird
#6
It's cathode biased so no adjustments are needed or even possible without a soldering iron.
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