CVP 805 - Bosendorfer sounds quiet

[jcm2016]

When I select the Bosendorfer, it sound much quieter than the other pianos.  I don't just mean mellow (the way the Yamaha is brighter).   It's as if the volume goes down a lot.  This is both in Piano Room and in the regular sound section.  I found myself turning up the volume quite a bit.  In Piano Room I had the lid all the way open.

I've never played an acoustic Bosendorfer -  are they actually much softer?  Am I mixing up mellow Vs bright for soft Vs loud?

What do you think?

Thanks as always.