Big L is right. I have the 1602's powering VP150, M22, and M3, and I can't put the volume up to high because it hurts my ears. The 1602 is the little brother of the 1802, at 70 wpc. Yes, the 1802 is 80 wpc.

I would not worry at all powering any axiom speaker with a 1602, let alone an 1802.