Authors: Carlos Alejandro Chiappini
Solamente por curiosidad, arrollé alambre envainado sobre la carcaza de cada pastilla. Denomino pastilla al dispositivo sensible que capta en forma electromagnética las vibraciones de las cuerdas. El bajo tiene dos pastillas y ambas carcazas están envueltas por el mismo alambre, sin ser cortado. Esto equivale a construir sobre cada carcaza un bobinado individual y después conectarlos en serie. Después de envolver ambas carcazas quedan libres los dos extremos del alambre. Antes de conectar algo entre ellos probé el instrumento y noté un cambio en el sonido. Es decir que sin colocar algo material para cerrar el circuito se verifica una acción efectiva, audible aunque no es intensa. Después construí una bobina y la puse en serie con un capacitor. Conectando esta serie entre ambos extremos libres del alambre que envuelve a las pastillas cerré el circuito. Modificando iterativamente la bobina y probando capacitores de valores distintos llegué a una condición que exhibió una acción muy evidente, que optimizó el comportamiento del bajo. Los detalles están en el desarrollo de este documento.
Just out of curiosity, I wrapped sheathed wire over the housing of each pickup. This is the name given to the sensitive device that electromagnetically captures the vibrations of the strings. The bass has two pickups and both cases are wrapped by the same wire, without being cut. This is equivalent to building an individual winding on each case and then connecting them in series. After wrapping both casings, the two ends of the wire remain free. Before connecting anything between them I tested the instrumentand noticed a change in sound. That is to say that without placing something material to close the circuit, an effective action is verified, audible although it is not intense. Then I built a coil and put it in series with a capacitor. Connecting this series between both free ends of the wire that surrounds the pickups I closed the circuit. Iteratively modifying the coil and trying capacitors of different values, I arrived at a condition that exhibited a very evident action, which optimized the behavior of the bass. The details are in the development of this document.
Comments: 4 Pages. carloschiappini@gmail.com
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[v1] 2023-05-03 01:25:03
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