MID FREQUENCY SPEAKER TEST -
DETECT PLACEMENT OF MIDRANGE AND TWEETER IN SELECTED BACK 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:  between 88 and 91 db
  - For midrange: between 92 and 96 db
  - For tweeters: between 84 and 90 db

> If the speaker reads above or below its range, its wiring may be switched 
  with another speaker in its cluster.

  - The midrange and tweeter may be switched:  
  - midrange  reads about 82 db; tweeter reads about 93 db.