I had a BH QD II.
I would have been very happy to reduce the chatter.
To get depth in the disc mode, I had to put up with
constant chatter.
I got a Garrett GTAx 500 and had the same problem.
After I sold that, I found out that I could have set tha
ground balance internally to reduce the noise. But, with
both the GTAx 500 and the BH QD II, I may have done
better with a DD coil.
When I learned about GBing and what machines are
lightest and likes gold jewelry, I got stuck on Tesoro
I still have never used a DD coil.
Tabdog
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