The Talkbox, a portable accessory used with models DSP30 and DSP2 Intelligibility Analyzers, generates STI-PA Test Tones into the voice evacuation system by way of the voice alarm panel’s microphone.
The Gold Line TALKBOX is a portable signal source designed to generate STI-PA (Speech Transmission Index - Public Address) test tones. It functions as an accessory compatible with DSP30 and DSP2 Intelligibility Analyzers, allowing users to test voice evacuation systems by broadcasting test signals through the system's microphone.
The device features a built-in modified CD player that plays 60 minutes of continuous or intermittent STI-PA test tones from a long-play CD. It includes a universal microphone holder and adjustable speaker positioning to accurately simulate emergency personnel announcements, ensuring the entire voice evacuation system, including the microphone, is properly evaluated.
| CD Test Tones Duration | 60 minutes of STI-PA Continuous and intermittent |
|---|---|
| Speaker Input | unbalanced 6.5mm ¼” phone jack |
| Line Level Output | unbalanced, 6.5mm ¼”phone jack, 1Vp-p |
| CD Accuracy | 0.0001% frequency drift |
| Internal Power | Eight “AA” alkaline or nicad batteries |
| External Power | 12Vdc @ 500mA via 2.1mm jack |
| Dimensions | Size 18” X 7” X 13” (W x H x D) |
| Weight | 10 lbs. |
The TALKBOX is a portable accessory used with models DSP30 and DSP2 Intelligibility Analyzers.
The included CD contains 60 minutes of STI-PA Continuous and intermittent test tones.
For normal speech, the playback level should be set to 60 dBA at 1 meter.