Mark IIb HELP!!!!

Mark I's, II's, III's and the almight IV

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Mark I
Posts: 25
Joined: Wed Jul 19, 2017 10:20 am

Mark IIb HELP!!!!

Post by John_not_Pet » Wed Nov 29, 2017 1:34 pm

Mine is the 60 watt, graphic eq, fx loop, reverb, presence, etc.

1: Which tubes yall like? And do they require biasing?
2: What are the jacks on the bottom side of the chassis for?

Mark II
Posts: 137
Joined: Sat Aug 05, 2006 11:15 pm
Location: San Jose, CA

Re: Mark IIb HELP!!!!

Post by treedroppings » Fri Dec 01, 2017 5:11 am

I think a matched pair of mesa-branded str 440 tubes will do fine, my boogie mark 1 reissue does fine with ordinary mesa tubes in the power section. no biasing required as long as long as you use mesa boogie 6l6 tubes or tubes from a boutique supplier like or that kn ows and tests for mesa boogie specs
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)

Road Hat
Bottle Rocket
Posts: 7
Joined: Thu Oct 22, 2015 11:43 am

Re: Mark IIb HELP!!!!

Post by Road Hat » Thu Mar 01, 2018 11:08 pm

Based on the knob labeled Post FX indicates that it’s a iib+, with the + indicating that it’s had the factory mod. The bottom inputs are for reverb/EQ or boost/EQ, not sure how to tell how it’s wired. Mine is boost/eq, as I keep the reverb on all the time. Great feature!

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