Welcome to the LH forum. JBL has not been consistent in their labeling of the impedance, but they are consistent with the values of their products. What I mean is that is a JBL 130A will always be the same driver regardless of the impedance printed on the Foilcal. The same is true of the N1200 or the LE175. If JBL made an alternative version they would have a different model number.

You can mix and match different vintages of these drivers and networks and they will still be compatible. That said, if the model is a “B” or “C” instead of “A” or a “-1” version, it will not be the same.


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