Bộ xử lý âm thanh kỹ thuật số cho lớp học Ateis TERRA-SAP

The Terra-SAP networkable processor is equipped with 20W x 2CH ampli­fier and also acts as an audio hub for local connected devices such as mic/line inputs, USB interface for message/music storage and playback, and the connection with audio-visual devices such a projectors as well as logic input/outputs. Local volume control and audio input selection can be managed using RAC 5/RAC 8 source selector & volume control remote. In case of an emergency, press the supervised EVAC button on Terra-SAP in order to alert the central monitoring station to respond to an incident.

The TerraManager GUI software brings all together by facilitating full control, paging, intercom, messaging, recording, streaming, audio routing, device I/O monitoring, and bell scheduling with the greatest ease. Communication between administrative staff and classrooms can be quickly established whether it is a district wide school intercom, campus paging, messaging/BGM distribution on multiple stores, and so on.

• Audio over IP classroom & courtroom solution including paging, audio streaming, messaging, bell scheduling, hands-free intercom, voice evacuation, ...

• Control, monitor and management via a dedicated web browser

• Digital Signal Processing-PEQ, AEC, AGC, noise reduction, Hi/Low Pass, VoIP, etc

• STP CAT5/6 connection for audio and control

• Built-in 20W x 2CH Class-D amplifiers

• 2 XLR microphone inputs with master volume control and bass/tremble sound level adjustment

• Support phantom power/voice activated (VOX) on the XLR microphone inputs and 3 balanced mic inputs 

• USB 2.0 interface for record and music/prerecorded message playback

• Mini-USB to connect to PC for web conferencing

Electrical

• DC power input: 21VDC ~ 26VDC

• Max. power consumption: 60W

Audio Characteristics (General)

• A/D-D/A bit resolution: 24 bit

• Sampling rate: 48 kHz

• Frequency response: 20 Hz ~ 20 kHz (±1.5 dB) @ 0 dBu

• SNR: > 92 dB

Audio Characteristics (Mic)

• EIN: < -110 dBu @ 3 dB gain

• Input impedance: 10k ohm

• Input gain range (MIC-1&2): 3~21 dBu (adjustable)

• Maximum input level (mic): -3 dBu @ 3dB gain

• CMRR: < -100 dB @ 3 dB gain, -3 dBu (1 kHz) in

• THD+N: < 0.005 % @ 3 dB gain, -3 dBu (1 kHz) in

• Crosstalk: > 70 dB @ 3 dB gain, -3 dBu (10 kHz) in

• Phantom power: 48 VDC, 7 mA

Network

• Maximum distance: 100 m (RJ45 connector, STP CAT5/6)

Mechanical

• Dimensions (W x H x D): 215 x 45 x 130 mm 

• Weight: 0.5 kg

• Colour: RAL 7016