deathray Posted December 13, 2019 Share Posted December 13, 2019 Whats the deal with ' hi-q'? What is that? Any different from regular tdi sl? Link to comment Share on other sites More sharing options...
Steve Herschbach Posted December 13, 2019 Share Posted December 13, 2019 There was a very long discussion about this on the White’s portion of this forum when the TDI Hi-Q came out and basically the answer ended up being no. The TDI SL has a S rod and round dual field coil. The TDI Hi-Q has a straight rod and elliptical dual field coil. From a performance standpoint the only difference is the coil. Both even ship with the same owners manual labeled TDI SL. However, the Hi-Q comes with a second coil free for a limited time so is the better deal at the moment. https://www.detectorprospector.com/forums/topic/10822-tdi-hi-q/?do=findComment&comment=106563 As an Introductory Offer, the TDI High-Q is packed with a FREE 7.5" Dual Field Coil. That's an additional value of $249.95! 1 1 Link to comment Share on other sites More sharing options...
deathray Posted December 13, 2019 Author Share Posted December 13, 2019 Thanks Steve! I knew you'd have the answer. Link to comment Share on other sites More sharing options...
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