When using accelerometers with long cables, you must be careful that the cables do not attenuate the signals at high frequencies. Engineers at PCB Piezotronics point out that such attenuation may ...
High-quality, low-capacitance data cables have impedances specific for RS-232/422 and RS-485 communication applications. High-quality, low-capacitance data cables have impedances specific for ...
At audio frequencies capacitance is not a factor at all for the cables your describe. These values are miniscule and are totally swamped by the input impedance of the audio amplifier.
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