9.1K views · 74 reactions | On a saltwater beach, multi-frequency can run stable, but that stability costs depth because of the filtering needed to cancel salt. The Impulse AQ is pulse induction, it ignores that salt response and keeps extreme depth on low-conductive gold, which will help us pull rings from worked-over sand and at extreme depths pirate treasure could also be located! #pulseinduction #multifrequency #historyseekers | History Seekers | Facebook

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