Question about Rolls ELECTRONIC CROSSOVER, 2 WAY STEREO, 3 WAY MONO => Model RX321 Car Audio Amplifier

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I wanna some information about electronic rolls in car

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An electronic roll-a-long switch for use in a seismic exploration system and method of seismic exploration are disclosed. For a group of N sequentially numbered receiver points, N/2 input channels are provided. Each input channel receives input from one of two receiver points which are spaced N/2 receiver points apart. The input channels are multiplexed to a data bus in an order corresponding to the sequential numbers of the receiver points comprising the input channels. :D

Posted on Dec 16, 2008

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