FREE  WAV  FILE  TEST  v 2           
79.5MB file size / high quality 96K sample rate
                                 
Narrow banded pink noise on center frequencies of:

  25    32    40    50    63    80    100     125     160     200
 250   315   400   500   630   800   1000    1250    1600    2000
2500  3150  4000  5000  6300  8000  10000   12500   16000   HERTZ

                SOUND SYSTEM CALIBRATION                                                       for a duration of 10 seconds each.                                                         SPEAKER TUNING                              

You can play the above test   .WAV FILE   through your sound system and adjust
your   EQ   controls such that all the noise bands produce nearly the same level
as indicated on a  SOUND   PRESSURE   LEVEL   (SPL)   METER.   At this point your
sound system will be calibrated for a   FLAT   FREQUENCY   RESPONSE.  




FREQ.
HZ

20

21

22

24

25

27

28

30

32

34

36

38

40

42

45

47

50

53

57

60

63

67

TIME MARK
MIN. / SEC.

0:01

0:06

0:11

0:16

0:20

0:26

0:31

0:35

0:41

0:46

0:50

0:55

1:00

1:05

1:11

1:16

1:21

1:26

1:31

1:36

1:41

1:46


SUBWOOFER  FREQUENCY  RESPONSE  TEST

USING  A  STEPPED  FREQUENCY  SINE  .WAV  FILE

AND  A  SOUND  PRESSURE  LEVEL  METER



[  20 - 240 HZ .WAV  TEST  FILE  (+/- 0.5 db)  ]

RIGHT CLICK  -  "SAVE AS"


(40 MB FILE SIZE / 3m 40s)



FREQ.
HZ

71

75

80

85

90

95

101

107

114

120

127

134

143

151

160

169

179

190

201

213

226

240

TIME MARK
MIN. / SEC.

1:51

1:56

2:00

2:05

2:10

2:15

2:22

2:26

2:31

2:36

2:41

2:46

2:51

2:55

3:01

3:06

3:11

3:16

3:21

3:26

3:31

3:36