Yes, there is a rise in measured THD at higher frequencies and into 2 ohms, but the basic circuit appears to be extremely linear, with around 0.005% of THD and noise delivered over the entire audioband into 8 ohms. Fig.4 shows the THD+noise percentage plotted against frequency at a 3V output level. The CAM 350 will not compromise the dynamic range of the new hi-rez digital media.ĭistortion levels were also very low, particularly with balanced drive. Removing the weighting and extending the measurement bandwidth to more than 500kHz dropped the S/N ratio to 82.2dB, which is still very good. The Classé's A-weighted noise floor was very low, at -94dB with respect to 1W into 8 ohms.
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