Inventis PICCOLO - Output and Tone Specifications

18
Total Harmonic
Distortion (THD)
AC: less than 2,5 %
BC: less than 5,5 %
Warble tone
Frequency of the modulating signal: 5 Hz
Modulation waveform: sine wave
Modulation range: ±12%
NBN
Band: ½ octave, i.e.:
- lower cut-off frequency f
l
= f / 1.1892
- upper cut-off frequency f
u
= f · 1.1892
where f is the centre frequency
WN
Lower cut-off frequency: 100 Hz
Upper cut-off frequency: 24 kHz
SN
As specified in IEC 60645-2 §13
External signals
EXT1 and EXT2 input: max 3 Vrms
AVAILABLE OUTPUTS
Output
Basic
Plus
Speech
Air conduction (TDH-39, DD45 or DD65
headphones)
•
•
•
Air conduction (ER-3, IP30 or ER-5 insert
earphones)
•
•
•
Bone conduction (B-71 bone vibrator)
-
•
•
PURE AND WARBLE TONE
AVAILABLE FREQUENCIES AND MAXIMUM INTENSITES
Freq.
(Hz)
AC
TDH39
DD45
(dB HL)
AC
DD65
(dB HL)
AC
ER-3
IP30
(dB HL)
AC
ER-5
(dB HL)
BC
B71
(dB HL)
125
80
80
90
90
-
250
100
95
105
100
45
500
110
110
110
110
65
750
115
110
115
120
70
1.000
120
110
120
120
75
1.500
120
110
120
120
80
2.000
120
110
120
115
80
3.000
120
110
120
115
75
4.000
120
110
110
110
75
6.000
105
95
95
100
55
8.000
95
90
90
90
50
(*) Levels refer to devices powered by electricity network. In case they are
powered by USB, maximum levels decrease by 10 dB.