- Written by Administrator
- Published on 09 December 2010
On The Bench (JEJ)
First, the CD tests. Distortion measurements were made within an 80 kHz bandwidth. The left channel is represented by yellow lines, and the right channel by red lines.
At 1 kHz THD+N was very low, at 0.009%.
Using 19 kHz and 20 kHz sine waves, the B-A peak at 1 kHz was 100 dB below the fundamentals, which is excellent.
IMD was also very low, at 0.005%.
The measured frequency response for Redbook CD was 20 Hz - 20 khz, - 0.1 dB.
Following are the SACD tests.
At 1 kHz, THD+N was 0.02% (22 kHz bandwidth).
The B-A peak at 1 kHz, using 19 kHz and 20 kHz sine waves, was 100 dB below the fundamentals, just as it was with Redbook CD.
IMD for SACD was 0.14%.
SACD frequency response was 20 Hz - 36 kHz, - 1 dB.
The jitter spectrum is shown below. When playing an 11 kHz sine wave, jitter was mostly at about 10 pico-seconds. However, down in the audible band, jitter rose to between 200 and 500 pico-seconds.