Galaxy Audio MSPA5 - Manual (Page 7)

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affect the quality and volume of the sound. If you are having
problems with any of these applications use Galaxy Audio’s
CRICKET Polarity and Continuity Test Set to check the polarity of
your cables.
EXAMPLE 2:
As long as all of the speakers have the same impedance rating, the
equivalent impedance of the system is the rated impedance of one
speaker divided by the number of equivalent speakers.
Z= = 8 Ohms for two HOT SPOTS
16 x 16
16 + 16
Z= = 5.33 Ohms for three HOT SPOTS
8 x 16
+ 16 8
Z= = 4 Ohms (the total load)
5.33 x 16
+ 16 5.33