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More Audiboxes: USB DI-Plus
VC USB ULTRA VSR BROADCAST ISO
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Features
>>> Download
colour brochure pdf
(1.5Mb) |
These days, more and
more educational institutions such as colleges, universities
and high schools are expected to provide downloadable
recordings - podcasts - of lectures and classes, for
students to access at all times on the local area network.
These recordings are typically taken from the
classroom/lecture theatre sound system and saved to a
computer in real time Problem 1: Getting the correct recording level is hard, given that the level requirements are different to those of speakers. Problem 2: Maintaining a steady input level to the computer requires continual monitoring to prevent digital overload. The
Solution Each Mic/Line input has infinity to +6dB of Level available on the front panel, as well as a 10 to 50dB Input Gain control. The stereo Line Input channel has a 10 to +10dB Level Trim control, to allow accurate matching of any line level signals. On the rear panel, each of the 6 electronically balanced Mic inputs can be switched to Line via individual switches. Multiple
Masters The Recording Output is a single Balanced XLR Output, transformer isolated to prevent ground loops and associated noise. Automatic
Gain Control The result is a consistent level for the recording, providing increased intelligibility, removing the need for fulltime monitoring and the risk of overloading and distortion. The final Master control feeds the main signal to a transformer isolated Balanced XLR Auxiliary Output. This can be used for future expansion, remote monitoring or for feeding a wireless transmitter or other device. Global Phantom Power is available on all Microphone inputs with a rear panel switch with associated front panel status LED. Wide Dynamic Range Internally, careful attention to the signal path design, using precision components found in high-end mixing consoles, has resulted in a unit with very wide dynamic range. The UniMIX has enough headroom to cope with the hottest line signal, and better than digital noise specifications Universal AC Power AC power range is a universal 100 to 120V or 220 to 240V AC, and is connected to the unit via a standard three pin IEC connector, with built-in fuse and voltage change switch.
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Flow chart
Here is a simplified diagram of the way that the UniMIX is
connected to a typical lecture theatre system: