Express Plus 5:50 output transformer size

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jcourtjr

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I noticed that the output transformer on this is somewhat small. I asked Mesa but all I got was that Randy and the engineers carefully pick their componenents etc...

I have a Marshall JMP 50 and its ouptut trannie is twice as large. Anyone know the scoop? Generally it is said that larger transformers = better but a few people have said otherwise. I do notice the mark v 90 transformer looks a lot bigger.
 
You shouldn't worry about that. My 5:25 non plus also has undersized trafos but it sounds great and it can really take a beating so don't worry.
 
I think the mesa transformers are fine at least up to the 50w range.. I replaced a perfectly good OT on my Express 5:50 with a Mercury Trafo and frankly couldn't hear a significant difference... except during the "play in" when things got pretty psychedilic...

Have heard that mesa trafos "might" be underdimensioned in some cases, but up to 50w I think they are fine.
 

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