9
Fig. 4.1: Typical measured RIAA equalization error, left and right channels. These are very small
equalization errors, and measurement error due to the test equipment itself is ±0.1 dB.
Fig. 4.2: Distortion spectrum, approximately 750 mV RMS output level at 1 kHz into 10 kΩ. This is
≤0.004% THD.
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
10
100
1000
10000
RIAA Equalization Error, dB
Frequency, Hz
Measured RIAA Equalization Accuracy
Left
Right
