Description
Acoustic Emitter
Acoustic emitter (passive acoustic speaker) SEL SP-157AS is used in line with system of acoustic and vibroacoustic speech information protection for creation of acoustic noise signals.
Has a level regulator of emitted signal (screwdriver socket), situated on the back panel.
Technical characteristics: | |
| The frequency range of reproducible noise signal | 90 Hz…11,2 kHz |
| Nominal resistance | 12,5 Ohm |
| Dimensions | 100×70х35 mm |
| Weight | 250 g |
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