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| Home | About Vortex | Product Catalogue | Spec Sheets | How to Buy | Contact Us |
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Vortex Communications manufactures and supplies video and audio equipment to broadcasters and system builders worldwide from its base in the UK. You can click on any of the coloured triangles below for specific product areas. |
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| The PPM-200 Audio Monitoring System
The PPM-200 audio monitoring units provide comprehensive, accurate measurement of stereo and mono audio signals. Great care has been taken to ensure the quality of the audio processing, making the PPM driver and switching modules suitable for use in the programme audio chain. Stereo and mono models are available as cards or rackmounted, with or without input switching for source selection. |
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The PPM driver accepts balanced or unbalanced input signals and provided automatic gain sensing, and offers a range of outputs Sum, difference (with 20dB gain), left, right and mono signals are internally produced and can be switched to the PPM drivers and outputs by means of front panel switches. The stereo phase indicator is standard, providing essential in-phase, out-of-phase and overload information. An internal mono loudspeaker and stereo headphone driver are available for monitoring. |
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