Volume controller Vol8s
Function features of the volume controller:
1. Adopts American high fidelity PGA2311 digital volume control chip, LCD display the volume control status;
2. Adopts 24BTI /192KHz top ADC chip AK5392, the dynamic range and signal-to-noise ratio reach CD sound quality;
3. Each output signal has EQ sound quality adjustment processing;
4. With 8-channel stereo synchronous or asynchronous tuning function, support 7.1 channel tuning mode;
5. Built-in 16 sound field storage modes, convenient and quick call;
6. It can be adjusted with a wide range of 138dB;
7. Power off state saving function;
8. Support microphone volume adjustment;
9. Suitable for the use of the utility control and other central control systems;
10. Suitable for high-grade conference rooms, multi-function halls, battle command centers, auditorium, supermarket background music system, etc.;
11. High quality, mass production, high compatibility and stability, high cost performance;
12. The whole machine has passed 15KV antistatic test
13.LED liquid crystal display, can display each running state of the equipment
Technical parameters of the volume controller:
1. Wide gain and attenuation range: -95.5dB to +31.5dB, step by 0.5dB, 256 steps.
2. Low noise and low distortion: 120dB dynamic range, 2.5 UVRMS noise (Vin =AGND, 0dB), 0.0004% THD+N (1KHz).
3. Low crosstalk: -130dB
4. Input impedance: 10K, 3pF.
5. Frequency band width: 0Hz~200KHz (-1 dB).
6. Uneven channel gain: ±0.05dB
7. SNR: 100±1dB
8. Stereo separation: >; 90dB @ 1 kHz
9. Common suppression ratio: > 85dB @: 20 Hz ~ 200 kHz
The control mode of the volume controller:
1. Device panel key control
2. Remote control
3. Computer software control
4. Intermediate control
Volume controller baud rate and protocol:
1. Serial control interface: RS-232, 9-pin public D interface
2. Baud rate 9600
3. Data bits: 8 bits,
4. Stop bit: 1,
5. Check bit: Uneven
6. Serial control port structure: 2 = TX, 3 = RX, 5 = GND
Volume controller specifications:
1. Power source: 100-220VAC, 50/60 Hz
2. Work rate: 10W
3. Temperature: -30° ~ +80°C
4. Humidity: 10% ~ 90%
5. Outer shell: metal material
6. Box size: 482mm (length) x 210mm (width) x 45mm (height)
7. Specification: Standard 19-inch 1U case, can be directly on the cabinet