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Is ms9, and I did a full recap of the chassis, with high quality nichicon caps.

Maybe one or two, were faulty?
did you also do the filter cap? i dunno then... I have heard of problems involving "warm up time" often fixed by cap kits. it could be something else though...
 
Yes, I replaced all of them, including the filter cap and it improved.

Before the recap, when I turned the cab, there was like a wavy effect, and it got better (static image) like after 20-30 minutes.

But that wavy effect is differente for what I'm experiencing now, anyway 30-60 seconds is not a big deal, I'll just enjoy my cab.
 
I agree with @KaPH33n in that it looks like a bad capacitor problem. It might be useful to double-check the replacement capacitors to ensure good solder joints, continuity, polarity, etc.
 
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