Vallon vmh3cs audio question

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RobD
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Vallon vmh3cs audio question

Post by RobD » Thu Jul 26, 2018 11:36 am

Hi
I used to detect about 40 yrs ago with a self-made detector, and am re-engaging with the hobby. I shall be in an area in South Africa with iron-rich soil and rocks and I am attracted to a 2nd-hand Vallon vmh3cs ex-Army detector, partly for their rugged construction and the fact that they can be quickly adjusted to mineral rich soil. However: I am worried about the earphone output which is a 6-pin socket to a military-type head piece; so perhaps I'd like to adapt it to a simple ear piece.
Vallon will sell me an adapter for 134 Euros, but that is roughly what I hope to pay for the whole kit - so my question to the forum is this:
Would I be able to source or make up an ear-piece adapter myself? I have an avometer to test which of the 6 pins is live.
many thanks
Rob



stupot
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Re: Vallon vmh3cs audio question

Post by stupot » Thu Jul 26, 2018 7:59 pm

Hi Rob

Interesting question... I know that some of the units sold to the civilian sector are supplied with a single earphone set. The operator must have one ear free to communicate. The 6 pin connector/adapter could likely be made up for you by a competent shop or individual.

Personally, I would just try the earset supplied & take it from there. Mods on that set would be my first choice. Let us know how you find the Pulse machine mate.

Fusion
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Re: Vallon vmh3cs audio question

Post by Fusion » Thu Jul 26, 2018 8:52 pm

I have sent you a Private Message with some info that is likely to be useful.

For everyone else:
There's a website called "Geotech1 dot com", which has some interesting articles about understanding/building metal detectors, and there's also a discussion forum, which I'm not allowed to link to. On the forum, there is a long thread about the Vallon, it's operation, modifying it, making new coils for it, with significant input from Eric Foster.
:(

IronMan
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Re: Vallon vmh3cs audio question

Post by IronMan » Sun Aug 05, 2018 11:36 am

Hi -
Not clear if you have an earpiece or not - but i have a Vallon that arrived without, - but found some on Ebay last night for around £20 posted ..

Bri.

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