The US-1600 high-frequency electric vibrator deliver 1600 lbs. of force operating at 9000 vibrations/minute on single-phase power. With a low-amperage draw, it can be plugged into a standard outlet or operated from field generators. The totally enclosed, high-impact vibrator has adjustable eccentrics for obtaining even higher forces at the same frequency. Vibco Vibrators. 800-633-0032.