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Permalink Reply by Marcus P. Clarke on October 1, 2013 at 4:01am

I just finished the magnetic pickup install. I followed the wiring diagram. I plugged the box into the amp but when I tapped on the top of the pickup I didn't get a sound. I used the volume knob and I could hear the volume increase. a louder humming sound from the amp. I haven't strung this yet. should I hear a tapping sound ? Here are several pics can you guys spot anything wrong. Thanks... Marcus

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Permalink Reply by Ron "Oily" Sprague on October 1, 2013 at 4:13am

No. Tapping on it won't work. This is a mag pup, not a piezo. Unless you have steel fingers, you haven't interrupted the magnetic field generated by the pole pieces enough to generate a current. String one string up, test it. If you followed the wiring diagram, you should make some noise ;-)

Nice build, BTW, love the minimal black on brown.

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Permalink Reply by Marcus P. Clarke on October 1, 2013 at 4:25am

Thanks Ron I wasn't sure about the tapping. Wiring was simple and the connections are good. Thanks for the build comment the black on brown is the effect I was looking for. The box is a 50's vintage from NYC. This was my 1st mag pickup build...Marcus

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Permalink Reply by darryl kernaghan on October 1, 2013 at 4:32am

simple test marcus ,if you have another guitar,just flip it and space the strings 1/4 or less from new vpup and try that,should register if all o.k.

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Permalink Reply by The Capo Kid on October 1, 2013 at 5:15am

 If you tap the top of the  pickup with a small screwdriver and it's working you will get a sound  ,

 Also you'll need the earth the pot , bend the tag back and solder it to the pot or add a extra earth wire to the tag and solder that to the back of the pot ,

If you have a any testing gear check the pickup and see  what k you get , then check the pot , touch the earth to the middle and live to the outside tag and you should a reading of what ever the pot is 500k , 250k if it reads zero move the live to the other tag and you should get a reading , turn the control the other way and it should read back to zero , hope this helps .

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Permalink Reply by Marcus P. Clarke on October 1, 2013 at 9:51am

Finally finished my 1st magnetic pickup build, thanks to all for cheering me on. Simple design as I think all CBG's should be to keep the primitive look. I love the tone with the mag pup. Got them from Gitty and once you guys got me on the right track things turned out. I didn't use the springs and I didn't ground to the pot. The sound is great and I tuned it to two tones EBeb and a 12 bar sounds low and dirty with the high b for 1 string riffs. Thanks again to all who helped...Marcus

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