Quote:
Originally Posted by goldfinder
I have tried both. The metal box I find is better. The metal blocks extraneous radiation and protects the circuit which is sensitive to electrostatics. You can also put the base of the ES circuit, the ground, outside the box using it as an antenna ground plane. then make the antenna the collector for the ES.
Goldfinder
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If Rx coils are inside the box then metalic box is not good.
Original Alonso's PD has wooden box and plastic coil housing.
Yellow and red PD are all wooden. Mineoro PDc and FG are wooden.
Mineoro DCH has metalic box and plastic coil housing.
Etc......