I would say 'yes too weak'. The key figure is that the 4 ohm power is no where near double the 8 ohm. A sign of a weak power supply not really meant for a 4 ohm load.
Now I have a Forte' 4a with 50 watts into 8 ohms, and 100 into 4 ohms and the Forte'4a is noted for being a high current amp.
When you look for an amp for the Magnepans, watch for the doubling of watts into 4 ohms and those usually are high current amps. And what you want for your Maggies is a high current amp, even if it is only 50 or 60 watts into 8 ohms.
I own a pair of Maggies, 3.6's with a Bryston 4B-SST2 amp (I tried the Forte'4a with the 3.6 speakers and it was fine at moderate volumes.)
The Nait is gonna sound like it is struggling, or not in control...
Now I have a Forte' 4a with 50 watts into 8 ohms, and 100 into 4 ohms and the Forte'4a is noted for being a high current amp.
When you look for an amp for the Magnepans, watch for the doubling of watts into 4 ohms and those usually are high current amps. And what you want for your Maggies is a high current amp, even if it is only 50 or 60 watts into 8 ohms.
I own a pair of Maggies, 3.6's with a Bryston 4B-SST2 amp (I tried the Forte'4a with the 3.6 speakers and it was fine at moderate volumes.)
The Nait is gonna sound like it is struggling, or not in control...