Lighting fixtures and associated methods are provided herein. Generally, the lighting fixtures of the present invention include a lamp, a power coupler, a high-frequency generator, a mounting block adapted to receive heat from the high-frequency generator, and a device adapted to receive heat from the power coupler. In some embodiments, methods include consuming at least about 165+/−10% watts of power using a lighting fixture of the present invention, providing at least about 12,000 initial lumens using the lighting fixture, and providing the lamp with an average life of at least about 100,000 hours with a 50% failure rate. In some embodiments, methods include consuming at least about 165+/−10% watts of power using a lighting fixture of the present invention, and maintaining the temperature rise above ambient of at least a portion of the high-frequency generator at less than about 32 degrees C.