I hope when it comes out, it comes with several coil options right off the bat.
With one of them being a smaller 6" round type. And offered with a stock coil no bigger than 8.5 or 9.5 x5
Leave a larger 11" size coil as an accessory.
This would surely boost sales right from the getgo, no more waiting for an appropriate search coil to match the buyers needs.

Still would like to see a smaller round search coil for the Simplex.

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I dig it with a Nokta/Makro product.
And then some.. Blisstool V5, White's IDX