Inventis TRUMPET User Manual page 62

SPECIFICATIONS OF OUTPUT TRANSDUCERS
Output
TDH 39
DD45
ER 3C / RECD
B 71
Free field (SPKF),
Monitor
SPECIFICATIONS OF SIGNALS AVAILABLE
WN
SN
PN
Warble tone
NBN
ISTS
ICRA
56
Voltage available
16Vpp
16Vpp
16Vpp
16Vpp
16Vpp
Pure random noise, filtered
Low cut-off frequency: 50 Hz
High cut-off frequency: 20 kHz
As specified in IEC 60645-1
Pure random noise, filtered
Low cut-off frequency: 50 Hz
High cut-off frequency: 20 kHz
Frequency of modulation signal: 10 Hz
Modulation waveform: triangular
Modulation coefficient: ±10%
Band: ½ octave
International Speech Test Signal. See Holube, I.,
Fredelake, S., Vlaming, M. & Kollmeier, B. (2010).
Development and analysis of an international speech test
signal (ISTS). International Journal of Audiology, 49, 891-
903 for further details.
International Collegium of Rehabilitative Audiology. See
website "icra-audiology.org" for further details.
Nominal impedance
1Vrms with 32 Ω load
10 Ω
10 Ω
10 Ω
10 Ω
4-8 Ω