gold century 1016a japanese design!!! 6 khz!! lets build bigger coils!

		Quote:			Posted by gabrieljuglar
	this japanese design has been sold with diferent names trough countries but the common name is gc 1016a works at 6khz!!!  is cheap!!! is a deep vlf but comes with a 6 inch coil?  so i want to build bigger coils like 20 inch size to go for deeper targets and bigger of course! iam tryin to catch a treasure around my neighborhood so i need disc mode and 130 cm of depth reading ... can somebody helpme? lets try to pull out the best of this machine!!! all suggestions are welcome!!!

Give us a circuit diagram.... also value of coil in milliHenries or in microhenries. Is it  a dual coil?

There  is  all kinds of info needed, like can you direct anyone to a website with this info?

Any way, I will try Googling, later.

goldigger

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here's a google search for this

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This Gold Century Model GC-1016A Metal Detector has a water proof coil and can be used in shallow water where most Gold Rings are found. This unit can be set to detect all Metals or set for Motion Discrimination to distinguish Ferrous an non Ferrous metals.  It has three adjusting knobs for sensitivity, discrimination threshold and volume control. When a target is detected, a tone will be emitted from the built in speaker or optional headphones and the strength of the signal will be displayed.  The signal strength meter helps to determine the target depth and size.  An adjustable Arm Support that can be set for your comfort. Light weight and compact make's this unit easy to transport and store. The auto ground balance feature make this detector so easy to use you won't even need to read the instruction manual! Or you have the option to adjust the sensitivity and set the Discrimination function to detect all metals or ignore trash metals. This is the best entry level metal detector we have seen. Retail Value $89.95

Key Specifications/Special Features:

    * Power supply: Two 9V batteries required, static current < 12 mA
    * Operation Frequency: 5KHz ~ 6.5KHz
    * Operation modes: ALL METAL, DISC
    * Target Indications: Audio -1.2 speaker or earphone jack
    * View meter
    * Knobs for adjustment: SENS , DISC and VOLUME
    * Sensitivity: max depth > 7 for a US quarter in ALL METAL mode
    * Motion discrimination
    * Auto ground balance
    * 6.5 waterproof search coil
    * 3.5mm earphone jack (earphone not included)
    * Low battery indication (Red LED)
    * Arm support for easy carrying

Owners manual i in box or can be read on line or downloaded.

Click here for Link to product manual

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Be sure to see the optional accessories:

    * GC10005c - Sand-filtering Scoop for Use with Metal Detectors.
    * GC10002 - Headphones GC-10002 with Volume control 100mw Max Input Power.
    * GC10001 - Professional Headphones GC-10001 with Volume control 100mw Max Input Power and Volume Control.

1 year distributor warranty in the USA. Repair or replacement for the original purchased with proof of purchase date.

SKU: GC1016A

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http://www.thunting.com/smf/index.php/topic,8217.msg52861.html#msg52861

actually, i have never sold anything on Ebay. you are looking for technical data, what are you looking for ?  All I can do is search the net for the information, same as you can.

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http://www.thunting.com/smf/index.php/topic,8217.msg53134.html#msg53134

 

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