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Aluminium Pickup tester 2

Posted by BUGGY (C) on January 23, 2012 at 5:03pm

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2, Tester, Pickup, Aluminium, 407bug

This one uses an aluminium coke can.The small coil connected to a screw that has a rubber foot to the aluminium.On the diagonal opposing side a small Ni magnet is placed in a hole. At the base of the coil is another small Ni magnet.these are rigged to attract ie N -S etc diagonally across the aluminium.This seems to work via vibration from the body maybe shaking the coil. If you tap the aluminium you get quite a loud tap via the pickup. There is some interference so the front split may need to be reintroduced. But it works!.I have no real idea how, as if you lift it from the guitar its quiet. So vibration is a key part which is not typical of a standard electric pickup. And on this one the earth is not essential.How does it sound ?

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BUGGY (C) July 22, 2013 at 9:23am

It worked out it was a vibrating magnet on a spring arm
Works a magnetic pickup by vibrations from the acoustics vibrations.
Bugman vibro coils.
Mr.melo July 22, 2013 at 7:00am

I liked it:)
jabes January 24, 2012 at 12:50pm

power to your elbow...fab
BUGGY (C) January 24, 2012 at 9:48am

Good test will stick it on a nylon strung
To try later
jeff maurer January 24, 2012 at 8:54am

so would this work whether you use bronze, steel, or nylon strings?
Low Budget Luthier January 23, 2012 at 10:15pm

pepsi might sound better'
Clock The Wolf January 23, 2012 at 8:43pm

Well, it's sure got some mean old swamp-tone going there...
BUGGY (C) January 23, 2012 at 6:27pm

Yes will try each item pice by piece till I figure this out

the coil on its own just covers one string as an electic device, so wouldnt do this job without something extra.

and if you lift this lot off the body you lose most of the volume.. so I think it is probabbly a vibration thing ...

the coil is a buzzer coil.... so...in reverse it should convert vibration to electricity?
BUGGY (C) January 23, 2012 at 6:20pm

I took out the Diagonal Ni magnet and it makes little difference, so i'm begiining to think this Buzzer coil might be picking up the guitar vibrations somehow, and the magnetic signal......I might just have invented a new form of guitar pickup!!!

(The old guitar is a dexian shelf fronted, old parlour guitar I made a while ago... with a 30's solid brass bridge! raised on wood to clear the nasty little pickup tester)
JUJU January 23, 2012 at 6:12pm

Nice experiment keep it up - once i have some spare time i'm going to have a play around with the alloy pickup setup

yes i guess it works on vidration rather than a electrical field like a regular pickup - aluminium is and has been used as reso cones for years because of its tonal quality so i guess this is working in the reverse order

have you tried using the magnets on there own and the electrical coil - or in other words use both the magnets and the coil but have the coil seperated from the magnet because thats what the lace alloy pickup seems to be set up as - the coil looks like its just used to boost the signal

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