Maico MA 41 - Page 67

Operation Manual MA 41
8100456 Rev.9
63
01/16
Calibration values: Sound field (0 degree incidence)
Reference equivalent threshold sound pressure level and maximum hearing
levels
For Canton CD 220 / MAICO SBC speaker
ISO 389 – 7 and ANSI S3.6-1996
Frequency
[Hz]
Tone
RETSPL
[dB
SPL
]
NBN
RETSPL
[dB
SPL
]
Max level
Tone [dB
HL
]
CD220 / SBC
Max level
NBN [dB
HL
]
CD220 / SBC
125
22.0
22.0
65 / -
55 / -
250
11.0
11.0
75 / -
70 / -
500
4.0
4.0
85 / 85
75 / 75
750
2.0
2.0
85 / 85
75 / 75
1000
2.0
2.0
85 / 85
75 / 75
1500
0.5
0.5
90 / 85
80 / 75
2000
-1.5
-1.5
90 / 85
85 / 75
3000
-6.0
-6.0
90 / 90
85 / 80
4000
-6.5
-6.5
95 / 90
85 / 80
6000
2.5
2.5
85 / 90
80 / 80
8000
11.5
11.5
80 / 75
70 / 65
Signal
IEC60645-2
RETSPL
[dB
SPL
]
IEC Max
Level [dB
HL
]
CD220 /
SBC
ANSI S3.6
RETSPL
[dB
HL
]
ANSI Max
Level [dB
HL
]
CD220 /
SBC
Speech
0.0
90 / 80
14.5
90 / 80
SN
0.0
90 / 75
14.5
90 / 75
WN
0.0
90 / 75
0.0
90 / 75