........
It might even convert the bottleheads. 
Heard that before.....many times.....about the latest and greatest.
It rarely happens.
John,
I don't have the F5, but the other Pass DIY amps I have do a great job making me forget I am listening to sand and not glass. I have no reason to believe that the F5 would be any different.
For the asking price, it is well worth trying to find out.
George
