In Reply to: Need a suggestion for manufacturers of an ultrasonic frequency sound device posted by MikeGalla on October 10, 2017 at 19:50:07:
Danley Labs has built high-power infrasonic sources for military weaponry usage. 105dB at 250 meters. Probably $50,000 or $100,000. See link below:
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Follow Ups
- High-Power Infrasonic Source - Charles Hansen 10/11/1701:19:15 10/11/17 (3)
- RE: High-Power Infrasonic Source - MikeGalla 16:00:25 10/19/17 (0)
- RE: High-Power Infrasonic Source - Awe-d-o-file 16:42:20 10/12/17 (1)
- RE: High-Power Infrasonic Source - MikeGalla 16:03:08 10/19/17 (0)