General Information - Speakers

TOOLS REQUIRED
J 39916-A CD and Cassette Diagnostic Kit

IMPORTANT: Always compare the front speakers to each other, and the rear speakers to each other. Do not compare the front speakers to the rear speakers because the speakers may be different or their mounting environment could cause them to sound different.

The tones are used to test and evaluate coaxial speakers or other complex speaker systems. The following three basic tones are used:

The diagnostic tape in J 39916-A contains a section of tones for the purpose of testing and evaluating the system operation of a coaxial speaker or other complex speakers. The following three basic tones are used for this test:
- The 50-Hz sine tone
- The 500-Hz warble tone
- The 9-kHz spectral tone
The combination tone is a blend of the three tones.