why not try one of the better reviewed Chinese tube amps some of them are quite good and you can get 50-100wpc easily. Willsenton R8 for example is quite good for the money and very well built. made in the same factory as primaluna etc.
another option is vintage or older tube amps as the tech has not really change much in the last few decades other than refinements. There's a ton of quality use tube amps that will give you more power to drive your speakers and give you more head room.
some examples: current adds here.
Line Magnetic 211IA | Tube | Detroit, Michigan 48214 | Audiogon 35wpc