I used a Denon 385 80 watts per channel with the 1.6's and it was just fine. I now have a more powerful amp - an NAD C370 - and it is also a very fine amp. But I am not technically inclined.
Nolan fremin23@yahoo.com
Nolan fremin23@yahoo.com
Amps and preamps for Magnepan 1.6QR