เพาเวอร์แอมป์ CREST AUDIO CC1800 Power Amplifier
เครื่องขยายเสียงกลางแจ้ง CREST AUDIO CC1800 มีกำลังขับ 2×700 วัตต์/4 Ohms,2×450 วัตต์/ 8 Ohms, 2 Ohms,2×900 วัตต์/ 8 Ohms
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฿45,000.00 ฿22,000.00
Description
CREST AUDIO CC1800 Power Amplifier
เครื่องขยายเสียงกลางแจ้ง CREST AUDIO CC1800 มีกำลังขับ 2×700 วัตต์/4 Ohms,2×450 วัตต์/ 8 Ohms, 2 Ohms,2×900 วัตต์/ 8 Ohms
The 2RU CC 1800 Power Amplifier from Crest Audio is a rackmountable power amplifier which incorporates tunnel-cooled heat sinks, variable-speed DC fans, and protection circuitry for efficiency into difficult loads and power conditions.
The CC 1800 features 16 devices per channel, a switched-rail class H output stage, and triple-compound design to provide low distortion and thermal stability. The amplifier utilizes a linear power supply and delivers stable high power output for running main systems, monitors, and subwoofers.
Features:
- Toroidal power transformer
- Magnetic circuit breaker on/off switch
- Cooled by variable speed fan with back-to-front airflow
- Mode selector switch for stereo, parallel and bridged-mono operation
- Input sensitivity selection
- Balanced female XLR, 1/4″ TRS combi jacks inputs
- Speakon and five-way binding post outputs
- Recessed, stepped attenuators
- Front panel circuit-breaker switch
- 16-gauge steel chassis, cast aluminum front panel
Specifications
| Power Rating | Stereo Power:
@ 8 Ω: 450 W @ 4 Ω: 700 W @ 2 Ω: 900 W Bridged Mono Power: @ 4 Ω: 1,850 W Output Voltage RMS: 73 V |
| Frequency Response | 10 Hz – 100 kHz; +0, -2 dB at 1 W |
| Power Bandwidth | 10 Hz – 35 kHz; +0, -3 dB at rated 4 Ω power |
| Damping Factor | 150 : 1 @ 20 Hz to 1 kHz @ 8 Ω |
| Gain | Selectable between x 40 (32 dB) and x 20 (26 dB) |
| Input Sensitivity | (x40) 1.32 V ± 3% for 1 kHz, 2 Ω rated power |
| Input Impedance | 15 kΩ balanced |
| Hum and Noise | A-weighted @ rated power 8 Ω -106 dB |
| Crosstalk | -55 dB @ 1 kHz @ rated power 8 Ω |
| Cooling | Back to front via single variable speed fan |
| Current Draw | @ 120 VAC
1/8 Power: At 8 Ω: 400 W 3.4 A At 4 Ω: 685 W 5.71 A At 2 Ω: 1,000 W 8.34 A 1/3 Power: At 8 Ω: 1,000 W 8.34 A At 4 Ω: 1,650 W 13.75 A At 2 Ω: 2,340 W 19.5 A |
| Connectors | 1 x XLR female, input
1 x Speakon, output 1 x 5-way binding post, output |
| Controls | Front Panel:
2 x recessed stepped attenuator Circuit breaker/power switch Rear Panel: 1 x mode select 1 x gain select |
| Indicators | LED, Signal presence
LED, Active clip limiting LED, Active status LED, Temperature |
| Dimensions | 3.5 x 19.0 x 14.9″ (8.9 x 48.3 x 37.8 cm) |
| Weight | 32.6 lb (14.8 kg) |
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