Top view of the control box showing the meter, on/off switch, battery charging jack, headphone jack and threshold adjustment knob.  
 
The hole just below the meter is where the transducer is mounted.




Inside view of control box showing the Li-ion cells.  Notice the lack of heatsinks on this board.




View of the search coil assembly.  Constructed of 6-ply plywood and paper laminate top and bottom.  I terminated the coil windings into a BNC connector and used RG-59 coax to get the signal up to the control box.




Inside view of the search coil housing showing the flat spiral-wound coil.  I sealed the windings with two coats of polystyrene.




Completed Detector, the metal band acts as an arm rest.


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© 2006 ~ Michael R. Starcher ~ All Rights Reserved