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New output tranformer.. what tubes???

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steve duchardt
Posted on Monday, October 21, 2002 - 10:46 am:   

I belew my output trans. in my HD 130 and am replacing it w/ a Marshall MOP100 - (100 watt).
do i use 12ax7's? I run the amp pretty hard I have the preamp on 0, master vol on 6-9. I'm trying to get a nice warm break-up sound with the power section of this amp. Any suggestions?