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Offline gizmo
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« Reply #10 on: March 21, 2010, 04:34:45 pm »
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 can i use the mustangs bfo coil with the ETI 561 circuit? want to build one that is more stable crystal controlled, but want to use my 6" search coil from the jetco mustang good coil. however if i open it up it could be more of a deal , does anybody know how many turns is in the mustangs 6" coil head? Idiot Idea

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Offline Homefire
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« Reply #11 on: March 21, 2010, 06:54:00 pm »
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People can dog he BFO all they want but they have a place.

I use one all the time to find black sand deposits for panning.

Works for me.

A good BFO can see what I need 12" down or better.

Just need the ear for the tunes!

Yep!   Don't give up on them.







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Offline gizmo
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« Reply #12 on: March 21, 2010, 07:47:53 pm »
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can the ETI 561 be used with a mustang 6" coil? any specs would help want to use what i have , cant afford a new machine , this one works good except its unstable because of the circuit design.....any idea would help...... Idea

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Offline xavier
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« Reply #13 on: March 22, 2010, 10:15:31 am »
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Generally the coil is not critical on the BFO type detector you will just have to adjust the reference frequency to mach the search coil you can do that using a piece of ferrite that you slide inside the reference coil to adjust the frequency or if you are using a crystal then by modifying the oscillation side of it there should be a VR cap or VR resistor or just make a new coil it?s a singe on the BFO

Regards Xavier


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So many questions so little time

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« Reply #14 on: October 25, 2013, 04:49:28 am »
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Hi Xavier .  I'm bayleaf from U.K. I have been trying to find info. on an old treasuremaster I removed from junk I was taking to the dump for a neighbour.  I tried several leads here but was pointed to sites like this one , a long way from home ! The treasuremaster is not working (?) and I wanted to speak to somebody more knowledgeable than my self as I have no interest in electronics but I wish to get this m/c working. From your comments you seem to understand , and even like B.F.O. models . You mentioned a preference for the V.L.F. coil , and this detector has one , and I understood your comment about not using the discriminator . There is a discriminator dial facing the operator and I assumed the contact button on the handle was for operation only , I fitted one on an old Joan Allen detector half a century ago to save the battery when digging . It now appears that this button is for the discriminator . More knowledge received , I thank you for that . I am still at a loss to know anything about this detector , for example how many and what type of batteries. The battery link is standard pp9 9 volt but the box would hold at least five of these in a holder with a common attachment. Sorry to seem rambling but I have been to a couple of shops around here and in this country the" assistants" seem to know only the modern , and have no interest in anything of this age . I did go to Joan Allen some time ago , but they were eager to get their hands on their old detector , offering me a discount on a new one . Selling seemed to be their aim , with no interest in the treasuremaster .  Cheers, bayleaf-123

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Offline xavier
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« Reply #15 on: November 27, 2013, 07:30:39 am »
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Hi Bayleaf-123

Sorry for the late reply. you did not tell us what treasurmaster you have? also could you post some photos of it and the battery compartment?

All the best
Xavier   

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So many questions so little time

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« Reply #16 on: February 23, 2014, 04:28:27 am »
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Un saludo desde Argentina, quisiera preguntarte si tienes conocimiento del ClonePI-II, yo arme el con pic del clone, anda muy bien pero decidí armar el ClonePI-II, pero tengo varios problemas, hay dos versiones de la placa impresa, aparte quisiera saber como tener tu mail, debido a que tengo interés de hablar con vos sobre otro tema, cuando te cuente te vas a reír, pero parece ser que SOS mi hermano gemelo, discúlpame si cometo un error porque es la primera vez que escribo en un foro, todavía no  tengo mucha experiencia en foro, pero me da gusto de estar aquí en algo que es de mi interés .. Saludos Enrique


Posted on: February 23, 2014, 04:22:56 am
Hi Javier
Greetings from Argentina, I would ask if you have knowledge of ClonePI-II, armed with pic of the clone, doing very well but decided to put together the ClonePI-II, but have several problems, there are two versions of the printed board besides me know like having your mail, because I have interest in talking to you about another issue, when I tell you you're going to laugh, but it seems that SOS my twin brother, forgive me if I make a mistake it is the first time I write in a forum I have not yet experienced in forum, but I'm glad to be here on something that is of interest to me .. regards Enrique

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