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TEST PROCEDURES
7.3 Measure the distortion across the HF
outputs. It should be - .1%.
8. High Frequency Distortion (Full Range
Mode)
8.1 Apply a 890 mVrms, 5 kHz signal to the
502C input terminals.
8.2 Measure the distortion across the HF
outputs. It should be - .2%.
9. Low Frequency Distortion (Bi-Amp
Mode)
9.1 Set the mode switch to 2 (Bi-Amp).
9.2 Apply a 1.6 Vrms, 80 Hz signal to the
502C input terminals.
9.3 Measure the distortion across the LF
outputs. It should be - .1%.
10. Midrange Distortion (Bi-Amp Mode)
10.1 Apply a 3.75 Vrms, 600 Hz signal to the
502C input terminals.
10.2 Measure the distortion across the HF
outputs. It should be - .1%.
11. High Frequency Distortion (Bi-Amp
Mode)
11.1 Apply a 890 mVrms, 5 kHz signal to the
502C input terminals.
11.2 Measure the distortion across the HF
outputs. It should be - .2%.
12. Channel Separation (Bi-Amp Mode)-
High Frequency
12.1 Set the mode switch to 2 (Bi-Amp).
12.2 Apply a 3.75 Vrms, 600 Hz signal to the
502C's input terminals.
12.3 Measure the channel separation across
the HF outputs. It should be > 40 dB.
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