Stereo Component Speaker Inspection

With the speaker installed, check that there is no looseness or other abnormalities.

Check that there is no foreign matter in the speaker, no tears on the speaker's cone part, or other abnormalities.

Measure the resistance of the speaker.

Standard resistance (Standard models):

Tester Connection	Specified Condition
4 (WF1+) - 3 (WF1-)	2.5 Ω
2 (WF2+) - 1 (WF2-)	2.5 Ω

Standard resistance (Mark Levinson models):

Tester Connection	Specified Condition
4 (WF1+) - 3 (WF2-)	14 Ω