
Measurements
Audio Precision  | 
  | INPUT/OUTPUT PHASE vs  | 
  | 09/20/05 14:40:05  | ||
  | 
  | 
  | FREQUENCY | 
  | 
  | |
  | +40  | 
  | 
  | 
  | MMC2Inputto Monitor OutChannel   | 
  | 
  | 
  | ||||
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | +30  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | +20  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | +10  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
d  | +0  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
e  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
g  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 20  | 50  | 100  | 200  | 500  | 1k  | 2k  | 5k  | 10k  | 20k  | 50k  | 100k  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | Hz  | 
  | 
  | 
  | 
  | 
  | 
Measures phase difference between Input to DUT and Output from DUT.
Optimize to see the entire range.
SPL 
Audio Precision  | 
  | INPUT/OUTPUT PHASE vs  | 
  | 09/20/05 15:06:51  | ||
  | 
  | 
  | FREQUENCY | 
  | 
  | |
  | +30  | 
  | 
  | 
  | MMC2Inputto RECOutChannel   | 
  | 
  | 
  | 
  | |||
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | +25  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | +20  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | +15  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
d  | +10  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
e  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
g  | +5  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | +0  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 20  | 50  | 100  | 200  | 500  | 1k  | 2k  | 5k  | 10k  | 20k  | 50k  | 100k  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | Hz  | 
  | 
  | 
  | 
  | 
  | 
Measures phase difference between Input to DUT and Output from DUT.
Optimize to see the entire range.
SPL 
Audio Precision  | 
  | INPUT/OUTPUT PHASE vs | 
  | 09/20/05 15:10:44 | ||
  | 
  | 
  | FREQUENCY | 
  | 
  | |
  | +30  | 
  | 
  | 
  | MMC2Inputto RECOutChannel   | 
  | 
  | 
  | ||||
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | +25  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | +20  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | +15  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
d  | +10  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
e  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
g  | +5  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | +0  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 20  | 50  | 100  | 200  | 500  | 1k  | 2k  | 5k  | 10k  | 20k  | 50k  | 100k  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | Hz  | 
  | 
  | 
  | 
  | 
  | 
Measures phase difference between Input to DUT and Output from DUT.
Optimize to see the entire range.
SPL 
Audio Precision  | 
  | THD+N vs AMPLITUDE | 
  | 09/20/05 12:12:45 | 
  | 
  | 
  | 
  | 
  | ||||
  | +0  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
d  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
B  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | +0  | +10  | +20  | +30  | ||||
  | 
  | 
  | 
  | 
  | dBu  | 
  | 
  | 
  | 
Cyan : onlyon
Green : 
Yellow : 
Red : 
Magenta : 
Blue : 
THD+N VS AMPL 2CH.at2c
14