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Discussion Forum for Mesa Boogie Products
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PostPosted: Sat Jan 21, 2017 12:11 am 
Bottle Rocket
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Joined: Tue Feb 02, 2016 12:22 am
Posts: 15
Location: Middle Tennessee
Hey all,

I am going to retube my Mark IVa combo and am considering getting some NOS power tubes. What should I expect them to test at? Is there a particular range that is preferable for correct bias in the IV?

Thank you!

Mark IVA Compact Combo #3185 (EVM12L)
Bogner Uberschall Rev Blue EL34
Mills Acoustics Afterburner V30's and K100's
Gibson LP Studio (EMG 81 & 85)
Ibanez RG2EX2 (EMG 81 & 85)

PostPosted: Sun Jan 22, 2017 9:06 pm 
Mark II

Joined: Sat Aug 05, 2006 11:15 pm
Posts: 134
Location: San Jose, CA
ask doug's tube or any of the internet resellers that know how to match tubes for a Mesa!

2006 Fender Lite Ash Strat
2012 US Gibson Firebird V
1990 Boogie Mark 1 Reissue
2-12 Sapele Cab

Music: from blues to thrash and back! (allman bros, exodus, saxon, tcf, robert johnson)

PostPosted: Fri Mar 03, 2017 11:55 am 
Mark III
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Joined: Sun Mar 07, 2010 3:51 pm
Posts: 431
Location: NY
Always buy my tubes from Tube Depot. If you tell them they are for a Mark IV, they'll send you correct ones.

1991 Mark IV A

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