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What Coils Are Compatible With Spectrum Xlt


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I just recently bought a nice Spectrum XLT that came with the 9.5 coil.  I have been trying to search for what other coils are compatible but haven't came up with much of anything, other than some older posts on other forums saying some people favored an 8 inch coil over the 9.5. But they don't tell what the name of the coil is; just the size.  Any help is appreciated.  

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6.59khz coils - Blue Max 4x6DD... Concetric - Bullseye 5.3 (5"), Royal 800 (8"), Stock 9.5, Blue Max, Maxima 1500 15"

My 2 choices for CW relic hunting is the Stock 9.5 and the 15" Maxima, As for the small coils, the Bullseye 5.3 is the better performer hands down, but with the right tweaks the 9.5 can perform well on sites where a smaller coil is in need. Have fun with it, I sure do.

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Thanks Steve!  That's exactly the kind of thing I was looking for.  All I could find was previous forum topics on coils but no chart or list on what was compatible.  Looks like the DFX got the best coil options compared to the XLT.  XLT seems to only have that one bigger coil for it.  That's a shame...it has a very smooth all metal mode.  If it had a 10x12 size coil, it would be killer. It's actually better than most modern machines in my test garden area the way it is now.  I'm holding onto it. Honestly, it does better than my MXT *IF* the MXT has the 950 concentric coil on it.  Once you put a 6x10 DD coil on it, the MXT is slightly better.  

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Daniel... there is a simple modification of the XLT... by inserting a capacitor where you can also use coils for DFX/MXT... A colleague has an XLT modified like this... and so he can use both types of coils....

if I manage to find the modification scheme... I will post it here...:wink:

 XLT modification.. The basis of the modification is to place one 0.1 microF capacitor between the green and white cable of the coil connector and activate it with a switch.....

So by activating the switch .. you activate the circuit with the capacitor and you can use MXT/DFX coils... And vice versa. with the switch off, you use basic coils for XLT...

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8 hours ago, Daniel Tn said:

  XLT seems to only have that one bigger coil for it. 

Well if you can find a Jimmy Sierra 12" Hot Shot coil for sale, it's a great coil and folks rarely let them go. I know longer own one but ran them for years. Similar performance to the Super 12 with MXT.

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I've tried to find the 12" Hot Shot but no luck.  I've chalked it up to being a unicorn haha.

I do wonder though...how does the DFX compare to the XLT in performance? It looks like the layout and menu interface is basically the same. I MAY try to pick up a used DFX since I do have quite a few coils that could be used with it.  I'm assuming a DFX could also be put into a motion all metal mode like the XLT?  

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