The Alice Tieline MHB unit is a microphone input extender designed for the popular Tieline ViA audio codec. It provides additional audio ports for the ViA unit, offering two extra microphone inputs and left/right headphone monitoring. Here are the technical specifications:
Technical Specifications:
- Input Common-Mode Rejection:
- 60dB typical.
- Frequency Response:
- 20Hz to 20kHz ±0.2dB.
- Phase Shift:
- 20Hz <1°, 20kHz <5°.
- Noise:
- -100dB (RMS 30Hz to 15kHz) at unity gain – Ref +8dBu output.
- Distortion (THD) at +8dBu Output:
- 40Hz: 0.006%.
- 1kHz: 0.006%.
- 10kHz: 0.02%.
- Output Impedance:
- <1 ohm balanced and floating.
- Minimum Load:
- 600 ohms.
- Gain Range:
- Adjustable up to 20dB gain and 10dB loss.
- Max. Input Level:
- +28dBu.
- Max. Output Level:
- +26dBu into 5k ohms, +24dBu into 600 ohms.
- 0dBu = 0.775 volts RMS.
- Power Supply:
- 230v AC to 12v DC mains adapter or internal PP9 battery.
- Case Details:
- Dimensions: 145 x 145 x 60mm.
- Shipping Weight:
- 1.50Kg.
This MHB unit enhances the capabilities of the Tieline ViA codec by providing additional microphone inputs and headphone monitoring. With a compact and portable design, it can be powered either by a mains adapter or an internal PP9 battery, offering flexibility in various operational scenarios. The adjustable gain range and low distortion ensure high-quality audio processing, making it a valuable tool for audio professionals using the Tieline ViA system.
