E-bow (Ralf): Difference between revisions
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=== Preparing the coils === | === Preparing the coils === | ||
The coils are electro-mechanical buzzers. one with a DC-resistance of | |||
about 40 - 120 ohms (common value) the other with 8 - 16 ohms. this one | about 40 - 120 ohms (common value) the other with 8 - 16 ohms. this one | ||
is a bit harder to find.. | is a bit harder to find.. | ||
| Line 18: | Line 18: | ||
[[File:prepared_Buzzer (1).jpg|400px|thumb|none]] | [[File:prepared_Buzzer (1).jpg|400px|thumb|none]] | ||
If you remove the plastic casing with a pair of pliers, you get the | |||
wrapped cores. it is important to observe the polarity, the marked coils | wrapped cores. it is important to observe the polarity, the marked coils | ||
(+) must be installed in the same way! | (+) must be installed in the same way! | ||
Revision as of 12:24, 22 February 2022
http://www.ralfschreiber.com/singendesaite.html
Materials
Electronic Parts
PCB
Mechanical / Accoustic Parts
Preparing the coils
The coils are electro-mechanical buzzers. one with a DC-resistance of about 40 - 120 ohms (common value) the other with 8 - 16 ohms. this one is a bit harder to find..
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If you remove the plastic casing with a pair of pliers, you get the wrapped cores. it is important to observe the polarity, the marked coils (+) must be installed in the same way!
I just realized that I have forgotten one important detail! on the core of the driver coil must still be a small neodymium round magnet (3x1mm) glued. The tiny magnets are easily available everywhere!
Assembly
Experiments
>> Is there something we could try to experiment with? improve, explore?
-> the strings can be prepared with light things: pieces of aluminum foil, drinking straws....the woodenstick can be prepared with petri dishes full of sand, pearls..
-> the device is also an electronic drone machine, a coax-signal cable (with line level) can be soldered parallel to the driver coil ...
-> Multi-sided monochords or several ebows can be interconnected ... the surfaces and conditions are decisive ... test setups with wine glasses ??
-> the strings can become dampened and heavier... small balls patafix, bluetec are super helpful for modulating and generating complex variable drones
Acknowledgements
Thx to Ralf Schreiber and Uwe Schüler for their circuit designs and experience with sound art, always sharing their newest developments to everybody at such events as HOME MADE 2021 and more.