JJ E34L in a mark V with no bias mod?

[domct203]

I doubt that Mesa factory says it's ok to use 4xEL34(L) in an amp that does not have a 6L6/EL34 switch. I love E34L's but don't recommend using 4 of them in this amp...

The Mark V most certainly has a 6L6/EL34 bias switch.

Dom

 

[mesaboogie6L6]

**Note** The JJ E34L's are not available for the Mark V as they are for other Mesa kits because the fixed bias point on the Mark V is hotter than other Mesa Mark amps.

https://www.eurotubes.com/cart/index.php?page=view_products&category_id=6&sub_category_id=242

 

[crane]

They probably could select E34L that runs fine in the MkV, but it will be different form other matched duet/quartet selected for Mesa amp, so maybe too much work for the benefits ?
I run a EH EL34 quad in my MkV, but I'd have to order the colder avaible set for the inner sockets, a "classic" Mesa-selected one run very hot there (60mA per tube...).
So a "36mA" selected for outer sockets and "28mA" for inner ones.