A receiver alone is probably not a good idea for these speakers. Do you have a budget in mind? How big is your space? What do you plan for the rest of the speaker system?
Frequency Response: 27Hz - 20kHz±3dB
Sensitivity: 88dB (2.83V @ 1 Meter)
Power Handling: 250 Watts
Drive Units: (1) 12" Aluminum Woofer
(2) 6 1/2" Aluminum Woofer
(1) 1" Silk Dome Tweeter
Crossover Frequency: 100Hz, 2700Hz
Crossover: 24dB/Octave
Impedance: 4 Ohms