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Yes I tested each tube one by one with 5 of my spare EHX 12ax7's, then with 5 new Mesa 12ax7's Unfortunately it didn't solve the problem. Unless all ten tubes were faulty, who knows? It'll be with the Mesa UK repair centre on Monday, I will let you guys know the outcome. Thanks,

Hello, I have a very similar problem with Channel 3 on my Dual Recto Reborn Multiwatt. It is 50% quieter than Channel 1 and 2, and sounds awful! Channels 1 and 2 are sounding and functioning perfectly. I have tested and swapped out all tubes with brand new Mesa Boogie branded tubes. Anyone...

Ouch, and I thought I was being ripped off. I did originally put in some of my spare EHX 12ax7's in, no change in Channel 3. The Mesa Boogie tech guy said I had to use Mesa Branded tubes only for fault finding so I went ahead and purchased some, What an excellent sales technique! I will PM...

Thanks for the reply! Channel 1 + 2 are working perfectly, Got my rear settings at Diode and Bold, Front settings at 100w and Modern. I have tried all combinations of Diode/Valve Rectifier Spongy/Bold Raw/Vintage/Modern 50w/100w etc All tubes are Mesa branded and in perfect working...

So I was advised by Mesa tech support to change the pre amp valves, 5 new Mesa/Boogie 12ax7's arrived today, I have installed them, I am now £87.50 poorer, and still Channel 3 is faulty. SO gutted! Anyone else experienced this??

Hello, I recently purchased a used Mesa Boogie Dual Rectifier Reborn Multi Watt. It was working perfectly for two weeks, then during my first band rehearsal I encountered a problem with Channel 3. The volume will suddenly cut to about 50%, then jump back up to normal vol randomly. It will...