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Mods Electronic Parts 300 ohm Headphone Speakers
Posted by: Sven
Date: December 28, 2012 03:52PM
For those interested in building your own headsets and looking for 300 ohm speakers, google All Electronics.
Haven't tried them yet, they are cheap and might just sound good.




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Any suggestions on piezo's
Posted by: OldBeechnut
Date: December 28, 2012 09:32PM
Wish they were waterproof, been working on a setup for the xcalibur but I just can't get a good combination of audio. I have a excellent setup for PP hunting but the discrimation audio really gets killed....

First is the stock yellows, which I'm trying to copy....I running 4 different piezo's ..50mm 41mm 27mm 20mm, been using everything from teak wood, plastic, differ thickness, brass, with no luck...just a few...audio................
First is the stock yellows




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This should help
Posted by: Sven
Date: December 29, 2012 08:26AM
http://makearadio.com/misc-stuff/piezophones.php
http://www.hpfriedrichs.com/rr-pzphone.htm
http://www.geotech1.com/forums/showthread.php?17121-Surf-Pi-Professional-Pcb-s-back-in-stock-NEW-Prices/page3



AKA Berkut 5 (Golden Eagle), Detectorpro Wader & Pi
Self built Pi's --- they work great in trashy areas!!
Free Metal Detector Catalog Downloads etc.:
www.treasurelinx.com

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Re: Mods Electronic Parts 300 ohm Headphone Speakers
Posted by: OldBeechnut
Date: December 29, 2012 07:37PM
Thanks You Sevn, some good reading......

Re: Mods Electronic Parts 300 ohm Headphone Speakers
Posted by: Reg
Date: January 11, 2013 10:02AM
Sven,

I haven't tried the speakers from your source but I have used some I purchased at Goldmine-elec. Here is a link to those speakers.

http://www.goldmine-elec-products.com/prodinfo.asp?number=G18837

These work very well and can be a direct replacement for the ones presently mounted in some of the cheaper models of headphones. I made this change and also added a limiting circuit for hearing protection.

Reg

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Re: Mods Electronic Parts 300 ohm Headphone Speakers
Posted by: Sven
Date: January 12, 2013 04:52AM
Thanks Reg,
Had a link to some 300ohm as well, just can't find it, book,marked yours.



AKA Berkut 5 (Golden Eagle), Detectorpro Wader & Pi
Self built Pi's --- they work great in trashy areas!!
Free Metal Detector Catalog Downloads etc.:
www.treasurelinx.com

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Re: Mods Electronic Parts 300 ohm Headphone Speakers
Posted by: Sven
Date: January 12, 2013 07:09AM
found the link
http://www.allelectronics.com/make-a-store/item/SK-300/300-OHM-40MM-SPEAKER/1.html



AKA Berkut 5 (Golden Eagle), Detectorpro Wader & Pi
Self built Pi's --- they work great in trashy areas!!
Free Metal Detector Catalog Downloads etc.:
www.treasurelinx.com

avatar
Re: Mods Electronic Parts 300 ohm Headphone Speakers
Posted by: OldBeechnut
Date: January 12, 2013 07:57PM
Got them Sven, thank you, also have a few others coming for testing, Kobitones....25CE500RO, 254DR150RO, Should have some video of the compare on different targets in a week using a Minelab Excalibur......thank you




Re: Mods Electronic Parts 300 ohm Headphone Speakers
Posted by: Tin Fin
Date: January 18, 2013 05:33PM
Don't give up on the testing OBN - whatever you come up with, I would love to check out the final product! That's a wide variety of tones too.



Tim

Excal 800 & 1000
Excal II 1000
Sovereign GT + 2nd GT Control box
BlissTool

Re: Mods Electronic Parts 300 ohm Headphone Speakers
Posted by: lint
Date: January 27, 2013 06:49PM
Hey ''OldBeechnut'' I have a set of killer bee stingers they have so much'' treble'' and no ''base '' sound I cant use them. if you get the 300 OHM speakers to work can you tell me if they have any base sound. Because if they do I am going to get one for my stingers .and try it.

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