613155

EDUARDO DRESCHER
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613155 GIFs

a row of keys with the numbers 70 180 320 600 1k 3k 6k 12k 14k on them
a drawing of a wave and a tuning fork with the words senoide below it
a drawing of a wave that says ciclos / segundos = hertz ( hz ) on it
a sign that says equalizacao controle de tom
a diagram of a low pass filter with an arrow pointing to the bottom .
a drawing of a wave with the words frequencia written on the bottom
a row of keys with the numbers 70 180 320 600 1k 3k 6k 12k 14k on them
a drawing of a hand with mah oei written on it
a diagram of a high pass filter with an arrow pointing down