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DD coil for teknetics Mark 1

straker

Active member
I think Paul(CA) has some info on this matter. I think he used an early Fisher F4 11 inch DD standard coil that had a push in connector. I used it on a Bounty Hunter Big Bud Pro,but it didn't seem to ID correctly.
 

Old California

New member
The first Fisher F-4 DD coils work well with the Mark 1, Push in type plug works great target ID is good. I think with some of the other related kHz models ID may be off a little but with the Mark 1 at least with mine it was very close if not perfect.

About a year or so back, A well respected forum member purchased a Fisher F-2/F-4 DD coil for his Mark 1. He was concerned because this newer Fisher DD coil would not plug into his Mark 1, Knowing I had one of the earlier DD coils he contacted me and mentioned his had an extra pin added to the connector of his coil. Turns out this is a dummy pin added by Fisher on the later DD coils, So if you purchase a later DD coil you may need to remove the dummy pin. It's the pin with no wired soldered onto it, Just remove or I believe needs to be cut off.

Performance wise, The Fisher DD coil is good. You may loose a little on sensitivity and an inch on depth as compared with the stock 7.5" coil but you'll enjoy the extra coverage especially it being elliptical this may be an advantage for certain types of terrain.

Paul (Ca)
 
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