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General description:
The
4analog to digital converters (A/D). The
4input channels. The monitor outputs can be used to connect to a PA system or for video/teleconferencing.
All level adjustments are solid state; there are no mechanical knobs on the unit. Level adjustments are made by moving virtual slider controls in the Antex Mixer Program running on the PC. This allows for settings to be stored and retrieved as a “scene”. Also, if the PC connected to the
The microphone inputs are professional balanced XLR connectors. The differential input impedance is 2K. Phantom power of +14 volts can be turned on under control of the Antex Mixer Program. Phantom power is connected through a 1K resistor on each line. In “microphone” setting, all 4 inputs have a gain range of +10dB to +85dB. Note that 65dB of gain is done in the analog circuitry, and the additional 20dB is done in the digital domain. As you increase the gain on any input, the level of this audio will get louder in the monitor output and in the recording level. However, once you exceed 65dB, the recording level will continue to increase, but the audio in the monitor output will not increase any further. Input channels 1 and 2 have a
fixed gain of 0dB in “line” setting. Inputs 3 and 4 have an adjustable gain of
The monitor outputs are single ended RCA jacks, capable of a 2VRMS signal (+6dBV). The level adjustment range is from
The A/D converter sample rate can be set to 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, or 48KHz. This allows for optimization between file size and audio fidelity. All 4 inputs are digitized separately, and 4 tracks may be recorded to hard disk. The inputs may be mixed in any combination to the 4 record channels using the Antex Mixer Program. On your PC, the 4 record channels are accessed as 2 stereo Wave Devices. Record channels 1 and 2 are left and right of Wave Device 1, respectively, and record channels 3 and 4 are left and right of Wave Device 2.
Power input to the
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