One option is to pick up a set of autotransformers from Paul Speltz.
They effectively increase the ohm load the amp sees.
I used a pair between a Music Reference RM-10 35 watt amp and a 4 ohm MTM configured monitor to decent effect.
They effectively increase the ohm load the amp sees.
I used a pair between a Music Reference RM-10 35 watt amp and a 4 ohm MTM configured monitor to decent effect.