VT RTA-168A/B Manual Rev. 1.5
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Virtins Technology
25
1kHz (–3dBFS)
60
26
1kHz (–10dBFS)
60
27
1kHz (–60dBFS)
60
28
60Hz and 7kHz mixed at 4: 1 (-1dBFS)
60
IMDsmp
29
250Hz and 8kHz mixed at 4: 1 (-1dBFS)
60
IMDdin
30
19kHz and 20kHz mixed at 1: 1 (-1dBFS)
60
IMDccif
31
1kHz Square (-1dBFS)
60
32
Digital Silence
60
33
LeftRight (English)
60
34
Left Right Center Surround (English)
60
35
LeftRight (Chinese)
60
36
Left Right Center Surround (Chinese)
60
37
12.5 Hz (-1dBFS)
60
1/3 Octave Band 1
38
16 Hz (-1dBFS)
60
1/3 Octave Band 2
39
20 Hz (-1dBFS)
60
1/3 Octave Band 3
40
25 Hz (-1dBFS)
60
1/3 Octave Band 4
41
31.5 Hz (-1dBFS)
60
1/3 Octave Band 5
42
40 Hz (-1dBFS)
60
1/3 Octave Band 6
43
50 Hz (-1dBFS)
60
1/3 Octave Band 7
44
63 Hz (-1dBFS)
60
1/3 Octave Band 8
45
80 Hz (-1dBFS)
60
1/3 Octave Band 9
46
100 Hz (-1dBFS)
60
1/3 Octave Band 10
47
125 Hz (-1dBFS)
60
1/3 Octave Band 11
48
160 Hz (-1dBFS)
60
1/3 Octave Band 12
49
200 Hz (-1dBFS)
60
1/3 Octave Band 13
50
250 Hz (-1dBFS)
60
1/3 Octave Band 14
51
315 Hz (-1dBFS)
60
1/3 Octave Band 15
52
400 Hz (-1dBFS)
60
1/3 Octave Band 16
53
500 Hz (-1dBFS)
60
1/3 Octave Band 17
54
630 Hz (-1dBFS)
60
1/3 Octave Band 18
55
800 Hz (-1dBFS)
60
1/3 Octave Band 19
56
1250 Hz (-1dBFS)
60
1/3 Octave Band 21
57
1600 Hz (-1dBFS)
60
1/3 Octave Band 22
58
2000 Hz (-1dBFS)
60
1/3 Octave Band 23
59
2500 Hz (-1dBFS)
60
1/3 Octave Band 24
60
3150 Hz (-1dBFS)
60
1/3 Octave Band 25
61
4000 Hz (-1dBFS)
60
1/3 Octave Band 26
62
5000 Hz (-1dBFS)
60
1/3 Octave Band 27
63
6300 Hz (-1dBFS)
60
1/3 Octave Band 28
64
8000 Hz (-1dBFS)
60
1/3 Octave Band 29
65
10000 Hz (-1dBFS)
60
1/3 Octave Band 30
66
12500 Hz (-1dBFS)
60
1/3 Octave Band 31
67
16000 Hz (-1dBFS)
60
1/3 Octave Band 32
68
20000 Hz (-1dBFS)
60
1/3 Octave Band 33
69
999.9481201 Hz (-1dBFS)
60
THD
70
One 0.5ms Inverted Saw Tooth Pulse Every 100ms
(-1dBFS)
1
Polarity Test
Note that you can compare the sound level of the in-phase signal with that of the out-of-
phase signal to judge whether you need to swap the polarity of the speakers in one channel.
