manual

26 It
Appendice
■ Caratteristiche di controllo dei toni
■ Distorsione armonica complessiva (DAC)
10 20 30 50 100 200 300 500 1k
Frequency (Hz)
Relative Level (dB)
2k 3k 5k 10k 20k 30k 50k 100k
–14
–12
–10
–8
–6
–4
–2
0
2
4
6
8
10
12
14
0.001
0.002
0.003
0.005
0.01
0.02
0.05
0.03
0.1
0.2
0.3
0.5
1
1056 8234 100 20050 60 8020 30 401
Measured Level (W)
THD + N Ratio (%)
20Hz
1kHz
20kHz