NTI NTI TalkBox Acoustical for STI-PA Speech Intelligibility NTI-TALKBOX  £2283.43

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Waveforms: NTI STI-PA test signal, White Noise, Pink Noise, Delay Time Measurement Test Chirp, Sine 1kHz
Acoustical Output Level: 60dBA @ 1m according IEC60268-16 Flatness: +/- 1dB (in axis, 100Hz - 10kHz)
CF Card: 128MB included, FAT32 formatted
External Mute: Jack 3.5 mm (1/8in)
Output: Balanced XLR, level +4dBu (fixed)
Input: Balanced XLR

Using the TalkBox greatly simplifies the feed of the STI-PA intelligibility test source signal in closed sound reinforcement systems, as it presents the standardized voice-like acoustical signal emission simulating a human talker according to IEC 60268-16, combined with a TNO certified speech intelligibility signal at standardized levels.
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