HARMAN KARDON FL8550
Service Manual

FL8550
Signal to Noise Ratio 1. Set the mode of the filter to � S/N� mode

2. 3. 4. 5. 6.

Play track 2 of the test disc The unit of the audio analyzer is set to dB mode Press the S/N key on the control panel of the audio analyzer Play track 7 Measure the data of S/N ratio

Dynamic Range 1. Set the mode of the filter to � D-Range� mode

2. 3. 4. 5.

Set the audio analyzer to � DIST� Mode Set the unit of the audio analyzer to � dB� mode Play track 17of the test disc The dynamic range should be |A| + 60dB

Channel Separation 1. Set the mode of the filter to � DIST/CH-SP� mode

2. Set the audio analyzer to � LEVEL� mode 3. Play the tracks 8, 9, 10 & 11 4. The measured results is the difference between L & R channel
De-emphasis 1. Press the � THRU� button of the CD filter

2. Play the track 2 of the test disc 3. Press the � Relative Level� and make it � ON� 4. Select the track 12 and 13 and measure the L & R channels value

26