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 Post subject: EL84 for Mark V 35
PostPosted: Sun Sep 10, 2017 9:29 am 
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Bottle Rocket

Joined: Tue Aug 01, 2017 9:41 am
Posts: 11
I've read one other post here, but the conversation went to a slightly off topic. So my question is: can I replace Mesa EL84 in the Mark V 35 with JJ EL84 without any bias problem? I'm in Italy and here we have no store that test tubes for the specific amp, so I have to buy them from Amazon as they are.

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 Post subject: Re: EL84 for Mark V 35
PostPosted: Fri Sep 15, 2017 11:58 am 
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Mark I

Joined: Thu Dec 01, 2016 3:14 pm
Posts: 48
If it were me, I'd only use Mesa power tubes to keep the warranty intact, but experiment with different preamp tube brands for tone chasing.

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 Post subject: Re: EL84 for Mark V 35
PostPosted: Tue Oct 02, 2018 6:09 pm 
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Single Recto
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Joined: Sat Jan 12, 2008 12:32 pm
Posts: 1331
Gl4th wrote:
I've read one other post here, but the conversation went to a slightly off topic. So my question is: can I replace Mesa EL84 in the Mark V 35 with JJ EL84 without any bias problem? I'm in Italy and here we have no store that test tubes for the specific amp, so I have to buy them from Amazon as they are.


Ask the seller if they can provide tubes in range that's suitable for your Boogie. Many can. Eurotubes told me they could.


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 Post subject: Re: EL84 for Mark V 35
PostPosted: Wed Oct 03, 2018 5:15 pm 
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Mark II
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Joined: Fri Nov 16, 2012 4:55 pm
Posts: 120
Location: East Coast, New Jersey
Joshwah333 wrote:
If it were me, I'd only use Mesa power tubes to keep the warranty intact, but experiment with different preamp tube brands for tone chasing.


I've never bought a NEW Boogie, but I would probably stay with Mesa branded for the same reason of keeping the warranty.

Having said that, I've replaced many power tubes of different brands and never had an issue and never thought about the bias.

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