MID FREQUENCY SPEAKER TEST - DETECT PLACEMENT OF MIDRANGE IN SELECTED FRONT CLUSTER: > When you start the test, press the meter against the center of each speaker grill. The meter should read as follows for selected FRONT CLUSTER: - For woofers: aroud 88db - For midrange: between 100 and 105 db - For tweeters: around 107 db > If the speaker reads above or below its range, its wiring may be switched with another speaker in its cluster.