M1's are great but really need 200+ watts to sing.
I doubt that the distortion from the amp can hurt the speakers. However, I'd worry about overdriving the amp. Pushing it at max will shorten the life of some very hard to get tubes!
I doubt that the distortion from the amp can hurt the speakers. However, I'd worry about overdriving the amp. Pushing it at max will shorten the life of some very hard to get tubes!