An underpowered amp would probably be worse for your speakers, as if overdriven, the signal will start clipping and I believe that is quite bad for the speakers' voice coils. Some better informed post should be along shortly, just as soon as they get out their lazy beds.
Perhaps some kind of 'bump stop' could be stuck on the volume control, that physically stops the knob at a certain point.
I just dropped in, to see what condition my condition was in
T/T: Inspire Monarch, X200 tonearm, Ortofon Quintet Blue. Phono: Project Tube Box CD: Marantz CD6006 (UK Edition); Amp: Musical Fidelity A5 Integrated.
Speakers: Zu Omen Def, REL T9i subwoofer. Cables: Atlas Equator interconnects, Atlas Hyper 3.0 speaker cables
T'other system:
Echo Dot, Amptastic Mini One,Arcam A75 integrated, Celestion 5's, BK XLS-200 DF
A/V:
LG 55" OLED, Panasonic Blu Ray, Sony a/v amp, MA Radius speakers, REL Storm sub
Forget the past, it's gone. And don't worry about the future, it doesn't exist. There is only NOW.
KICKSTARTER: ENABLING SCAMMERS SINCE 2009