I did say try Revolution week's back!could of had it on by now.
Think you will be ok with the db test Kelv it's in the higher rev range they come alive,do they test around 4k.
It was the factory or the supplier that didn't have any a few weeks back so don't think it would have mattered at the time where I Ordered it. Everywhere seemed to have a waiting time for them.
apparently there is limited supply now. They must be made in very small batches or something.