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Crown Amplifier 280MA
Vui lòng liên hệ cho chúng tôi theo địa chỉ:
Email: phamhung@hdchanoi.com hoặc gọi điện
CSKH của HDC sẽ giúp bạn.
Tel: 0903445356 - - Tel/fax: 04. 3978 08 02
- Thông tin sản phẩm
- Thông số kỹ thuật
Ampli CROWN 280MA
The 280MA mixer/amplifier from Crown Audio offers terrific sound quality and reliability, ideal for paging and background music in offices, schools, hospitals, retail stores, and other similar venues. It is a 2 x 80W unit designed for two-zone systems, and offers 4 ohm, 70 volt, and 100 volt outputs to meet your needs. It also features protection circuitry to prevent against damage from overheating, overloads, or short circuits.
Ideal for paging and background music in schools, offices, hospitals, etc
70V/100V and 4 ohm output
8-input, 2 x 80W unit
Easily connected to Crown Audio Commercial Audio Series mixers and amplifiers for expandability
Sends any input to any output
Independent bass and treble controls on each channel
Balanced phoenix-type inputs, touch-proof screw terminal outputs
Built-in 4 tone generator for bell, pre-announce chime, alert tone, and evacuate tone
Protection circuitry helps prevent against damage from overheating, overloads, and short circuits
Priority muting
Convection cooled
THÔNG SỐ CROWN 280MA
- Frequency Reponse (at 1 watt from 4-ohm tap): 70 Hz to 19 kHz ± 1 dB
- Frequency Response (at line out): 20 Hz to 20 kHz ± 1 dB
- Power Bandwidth (at 4-ohm tap, 2 dB below maxium 1 kHz power): 50 Hz to 20 kHz with < 0.5% THD
- Signal to Noise Ratio (ref. to rated power, master volume at minimum): 85 dB
- DC Output Offset: < ±5 mV
- THD: Less than 0.5% at rated power at 1 kHz
- Input Sensitivity (for full output at maximum gain): Balanced mic inputs: 3 mV Balanced line inputs: 800 mV RCA connectors: 400 mV
- Input Impedance (nominal): Mic: 400 ohms. Line: 100 kilohms. RCA: 50 kilohms.
- Crosstalk: –70dB at 1kHz.
- Line Output Level (nominal): 1V into 10 kilohms.
- Phantom Power: 15 VDC.
- AC Line Voltages Available: 100V 50/60 Hz 120V 60 Hz 220V 50/60 Hz 230V 50/60 Hz 240V 50/60 Hz
- Operating Temperature/Humidy: 0° C to 40° C at 95% relative humidity (non-condensing).
- Storage Temperature: –20° C to 85° C.
