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Here's two different conductive inks. The black bare conductive ink has better printing properties - it can pass easily through a 130 mesh screen and won't dry up. However, it's resistivity is higher than the copper paint on the left. The copper paint, from less EMF, is problematic for basic screen printing.

This is a 4-channel paper speaker. Note that the geometry of the electromagnetic field production, and the 4-channel system has been intentionally obscured by artistic concerns. With these 2-d speaker arrays, artistic and design possibilities open up for sound art, sound installation, patterning and graphic design, which are not part of standard sound reproduction aesthetics.

It is also possible to explore photographic material as a basis for flat audio circuitry design.

Daniel Cullen created a sound booth around a grand piano in Hertz Hall using the concert sound panels. This allowed for close miking of the instrument with solid noise isolation.