เครื่องขยายเสียง ยี่ห้อ JBL รุ่น CSMA1120
Feature
- 4 inputs with 1 output of 80 or 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
Specification
| Maximum Output Power | 120 W per channel into 4 Ohms or 8 Ohms, 1 kHz, ≤ 0.5% THD |
| Insertion Loss | 1 dB maximum for 70 and 100 V outputs |
| Continuous Power | 15 W per channel |
| Line Output Level | 5.0 V RMS into 10 kOhms |
| Input Sensitivity | To obtain full rated power at 8 Ohms (or 5 VRMS to line output) Mic Input: 3 mV RMS Line Input: 775 mV RMS RCA Input: 300 mV RMS |
| Number of Channels | Input: 4 Output: 1 |
| Frequency Response | Measured at 2.83 V RMS into rated load impedance at any output 4/8 Ohms Output: 20 Hz – 20 kHz, ±2 dB 70 V/100 V Outputs: 80 Hz – 15 kHz ±2 dB Line Out: 20 Hz – 20 kHz, ±1 dB |
| Total Harmonic Distortion (THD) | Power Amplifier Output: Line Output: 0.05% typical |
| Signal to Noise Ratio | > 90 dB |
| Nominal Input Impedance | Mic: 400 Ohms Line: 20 kOhms (balanced) RCA: 50 kOhms |
| Minimum Load Impedance | Low Impedance Output: 4 Ohms 70 V Output: 40 Ohms 100 V Output: 80 Ohms |
| Crosstalk | -70 dB @ 1 kHz |
| Controls | Front Panel: 4 x Input level rotary knob 1 x Output volume attenuator, rotary knob 1 x Power switch 1 x Bass potentiometer 1 x Treble potentiometerRear Panel: 1 x Hi-Z switch 1 x Phantom power switch 4 x Mic/Line selector switches 1 x VOX adjustment |
| Indicators | Front Panel: 4 x Input signal presence ring, green 1 x Output volume ring, green 1 x Power switch ring, green/blue |
| Connectors | Rear Panel: 1 x IEC power input 1 x 5-pin amplifier output 1 x 3-pin auxiliary line level output 1 x RJ45, remote volume 3 x 3-pin Euroblock Mic/Line input 3 x Dual RCA stereo input 1 x 5-pin Euroblock Priority input |
| Operating Temperature / Humidity | 32 to 95°F / 0 to 35°C, 95% RH (non-condensing) |
| Storage Temperature | -4 to 185°F / -20 to 85°C |
| Phantom Power | 27 VDC |
| AC Input | 100 to 240 VAC, 50/60 Hz |
| Dimensions (W x D x H) | 8.6 x 11.9 x 1.7″ / 21.9 x 30.3 x 4.3 cm |
| Weight | Approximately 7.1 lb / 3.2 kg |
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