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Post by daveyk on Dec 10, 2014 17:48:46 GMT -7
I'm getting ready to retube my Maz 38 NR and I'm thinking about using a 5751 in V1 for more clean headroom. I'll at least get a 5751 and try it out to see how i like it. I was also reading up around the gear page and other sources and found a few people who are using a 5751 as the phase inverter instead of the normal 12ax7. Their reason behind this was to tame some harshness and increase clean headroom. Do any of you guys have experience with this and how it changes the characteristic of the amp? I would think that using a 5751 in V1 would make a more drastic change in the headroom compared to using a 5751 in V3. Maybe using a 5751 in V3 is good if only subtle changes in headroom are wanted compared to a more drastic change a 5751 would make in V1? Just wondering if anyone has experience with any of this. Thanks!
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Post by BritInvasion on Dec 10, 2014 18:11:06 GMT -7
It will make a much bigger difference in V1. In the PI position it is subtle. Just my experience FWIW.
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Post by daveyk on Dec 10, 2014 18:15:43 GMT -7
So if I try a 5751 in the PI position, I'd have to get a balanced 5751, but if i wanted to try that same balanced 5751 in V1 will the fact that it's balanced make a difference in V1 compared to an unbalanced 5751 in V1? Does that make sense? I know V1 doesn't need to be balanced, just looking at this trying to save some dough.
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Post by BritInvasion on Dec 10, 2014 18:34:05 GMT -7
You don't really need balanced triodes in V1. Nice but unnecessary. If you get NOS , they will most likely match pretty well anyway.
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Post by fishman on Jan 27, 2015 19:26:37 GMT -7
just stuff some tubes in it and play it, its almost impossible to get a bad sound out of it no matter what tubes you are using....I have used everything from cheapo to NOS and the amp takes whatever I put in it...never had an issue....I prefer a 5751 in my old Fenders in V1 or I pull V1 but thats a different story altogether...
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Post by digs57 on Jan 28, 2015 10:08:35 GMT -7
Likewize...do like the 5751 v1 in my fenders as well...sweetness factor +
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