เครื่องขยายเสียง ยี่ห้อ JBL รุ่น CSMA280
Feature.
- 8 inputs with 2 outputs of 40,80, 120-watts of power
- Ideal for commercial and industrial use
- Fanless, space-saving 1U design
- Sleek industrial look with illuminated rings, making them easy to see and operate
- Euro-block type mic/line input connectors and output connectors
- Independent Bass and Treble controls for each output channel
- Supports 70V and 100V distributed audio systems without the need for a separate transformer
- Remote volume control capability using JBL CSR-V module and standard Ethernet cable
- Priority muting
- Configurable output routing
- Utilizes Crown’s DriveCoreTM technology providing excellent audio performance with high efficiency
- Manufactured to lead-free ROHS standards, utilizing recycled metals, and using an energy-saving powder coat process
- Includes rack mounting kit
- Three-Year, No-Fault, Fully Transferable Warranty completely protects your investment
- Energy Star® Certified
Specs
| Max Output Power per Channel into 4 Ω or 8 Ω; 1kHz, ≤ 0.5% THD |
80W |
| Insertion Loss (70V & 100V outputs) |
1 dB maximum |
| Continuous Power per Channel |
10W |
| Number of Input Channels |
8 |
| Number of Output Channels |
2 |
| Line Output level |
5.0VRMS into 10kΩ |
| Input Sensitivity to obtain full rated power at 8 Ω (or 5VRMS to line out) |
Mic Input: 3mVRMS Line Input: 775 mVRMS RCA Input: 300mVRMS |
| Frequency Response (measured at 2.83VRMS into rated load impedance at any output) |
4/8 Ohm Output: 20Hz – 20kHz, +/-2dB 70V/100V Outputs: 80Hz – 15kHz +/-2dB Line Out: 20Hz – 20kHz, +/-1dB |
| Total Harmonic Distortion (THD) (measured at 2.83VRMS into rated load impedance at any output) |
Power Amp Output: <0.5%, 20Hz – 20kHz Line Output: 0.05% typical |
| Signal-to-Noise Ratio (Ref. Rated Power, mixer levels @ min., master volume @ max. A-weighted) |
>90dB |
| Input Impedance (nominal) |
Mic: 400 Ω Line: 20 kΩ (balanced) RCA: 50 kΩ |
| Phantom Power |
27VDC |
| Crosstalk (reference rated power, volume at mid position, 1kHz) |
-70 dB |
| Nominal AC Line Voltages |
100-240V, 50/60 Hz |
| Minimum Load Impedance
Low Impedance Output 70V Output 100V Output |
4 Ω 60 Ω 120 Ω |
| Operating Temperature/Humidity |
0°C to 35°C @ 95% R.H. (non-condensing) |
| Storage Temperature |
-20°C to 85°C |
| Dimensions & Weight | |
| Net Weight (preliminary estimate) |
11.9lb (5.4 kg) |
| Dimensions |
Width: 17.2 in. (436.9 mm) Depth: 11.9 in. (303.4 mm) Height: 1.7 in. (43.3 mm) |
| Shipping Weight |
15.2 lb (6.9 kg) |
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