User's Manual

56
SPECIFICATIONS OF OUTPUT TRANSDUCERS
Output
Voltage available
Nominal impedance
TDH 39
16Vpp
10 Ω
DD45
16Vpp
10 Ω
ER 3C / RECD
16Vpp
10 Ω
B 71
16Vpp
10 Ω
Free field (SPKF),
16Vpp
4-8 Ω
Monitor
1Vrms with 32 Ω load
SPECIFICATIONS OF SIGNALS AVAILABLE
WN
Pure random noise, filtered
Low cut-off frequency: 50 Hz
High cut-off frequency: 20 kHz
SN
As specified in IEC 60645-1
PN
Pure random noise, filtered
Low cut-off frequency: 50 Hz
High cut-off frequency: 20 kHz
Warble tone
Frequency of modulation signal: 10 Hz
Modulation waveform: triangular
Modulation coefficient: ±10%
NBN
Band: ½ octave
ISTS
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.
ICRA
International Collegium of Rehabilitative Audiology. See
website “icra-audiology.org” for further details.