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Added a 14 inch mono coiltek coil to my TDI question?

Keyboardkowboy

New member
So I got a good deal on this 14 in mono coil on ebay it required a little lower rod modification. The coil seems to work fine other than it has changed the audio with that coil sounds like a old 8 bit midi video game almost like an overload on some targets but I can tell they are there. I may need to build a modified battery pack to up the voltage to the detector but coiltech makes a TDI 14 mono that looks just like mine. Wondering if anyone has any info? has anyone had luck with the 14 mono? Any idea on the audio change? I've been told I shouldn't use anything bigger than a 12 inch on this machine but I've read about others having luck.
 

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Smigo

Active member
So I got a good deal on this 14 in mono coil on ebay it required a little lower rod modification. The coil seems to work fine other than it has changed the audio with that coil sounds like a old 8 bit midi video game almost like an overload on some targets but I can tell they are there. I may need to build a modified battery pack to up the voltage to the detector but coiltech makes a TDI 14 mono that looks just like mine. Wondering if anyone has any info? has anyone had luck with the 14 mono? Any idea on the audio change? I've been told I shouldn't use anything bigger than a 12 inch on this machine but I've read about others having luck.
I once owned a TDI here in Australia and tried a number of coils on it but never recall the audio being any different. There is no reason not to use a bigger coil from my experience. Yeah I used a mono 14 and found nuggets with it.
I wonder if the audio difference is it being one of the earlier coiltek coils. The ones I tried were the later ones the Goldstalkers.
 
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