| with
built-in conversation amplifier |
| |
|
|
|
|
|
 |
|
Rechareable
batteries |
|
|
4-hour
auto cut-off |
|
|
Limiter, max 80 dB(A) |
|
|
Stereo
sound reproduction |
|
|
Amplifier
max. 12 dB(A) |
|
|
Frequency
range: 500-3000 Hz (speech) |
| EN
– Tested in compliance with PrEN 352-4 |
|
| Item no. 33010. Weight 350 g. |
|
|
Freq. Hz |
|
63 |
|
125 |
|
250 |
|
500 |
|
1k |
|
2k |
|
4k |
|
8k |
|
H |
|
M |
|
L |
|
SNR |
| Mean
value |
13,8 |
15,8 |
19,9 |
29,4 |
32,0 |
34,3 |
35,7 |
37,9 |
32 |
27 |
19 |
29 |
| 1
std. deviation |
3,6 |
3,7 |
2,1 |
2,5 |
2,5 |
3,5 |
2,7 |
3,0 |
| APV |
10,2 |
12,1 |
17,8 |
26,9 |
29,5 |
30,8 |
33,0 |
34,9 |
|
| Leveldependent
sound reproduction |
 |
|
| ANSI
– Tested in compliance with ANSI S3.19-1974 |
|
| Active
Headband – Item no. 33010. Weight 11.6 oz. |
|
|
Freq. Hz |
|
125 |
|
250 |
|
500 |
|
1k |
|
2k |
|
3.15k |
|
4k |
|
6.3k |
|
8k |
|
NRR |
|
CSA |
|
L |
|
|
|
CSA |
| Mean
value |
16,7 |
19,0 |
30,8 |
36,9 |
36,6 |
37,4 |
39,5 |
43,3 |
43,6 |
25 |
A |
|
|
|
| 1
std. deviation |
2,4 |
2,0 |
2,2 |
2,1 |
3,0 |
2,4 |
2,6 |
2,8 |
2,5 |
|
| Frontline
– Item no. 33012. Weight 11.6 oz. |
|
|
Freq. Hz |
|
125 |
|
250 |
|
500 |
|
1k |
|
2k |
|
3.15k |
|
4k |
|
6.3k |
|
8k |
|
NRR |
|
CSA |
|
|
|
|
|
|
|
Mean value |
17,9 |
22,1 |
31,7 |
37,2 |
33,6 |
31,7 |
40,1 |
41,7 |
41,6 |
27 |
A |
|
|
|
|
|
|
|
1 std. deviation |
2,1 |
1,4 |
2,6 |
2,3 |
1,8 |
2,1 |
2,2 |
2,6 |
3,3 |
|
|
|
| AS
– Tested in compliance with AS/NZS 1270: 2002 |
|
|
Active Headband
– Item no. 33010. Weight 350 g. |
|
|
Freq. Hz |
|
125 |
|
250 |
|
500 |
|
1k |
|
2k |
|
4k |
|
8k |
|
Class |
|
SLC80 |
|
L |
|
SLC80 |
| Mean
value |
13,5 |
19,5 |
28,9 |
34,6 |
32,7 |
36,3 |
37,6 |
5 |
30dB |
|
|
| 1
std. deviation |
2,5 |
2,0 |
3,5 |
8,4 |
4,2 |
4,8 |
9,0 |
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|