RMX 1450a
双通道功率放大器
产品特点
- 外形紧凑 — 两个机架位可提供2500W功率,三个机架位可提供5000W功率
- 大电流环形变压器,阻抗2欧姆时功率更高,噪音更低
- 独立削波限幅器,减少失真,支持用户自行禁用
- 可选低频滤波器(30Hz或50Hz)保护扬声器、增加动态余量
- 4000W RMX4050a使用标准15A插头(120V)
- RMX4050a和RMX5050a均拥有双单通道、大电流电源,提升可靠性和性能表现
- RMX4050a兼具卓越的散热能力和电效率,提供稳定的散热性能,适合为阻抗为2欧姆立体声或阻抗4欧姆时桥接应用持续提供高功率输出。
- 平衡1/4”(6.3毫米)TRS,XLR和接线柱输入
- 防触碰接线柱和Neutrik Speakon®输出接口
- 增益控制安装在正面,便于操作
- 信号和削波LED指示灯,可监测性能表现
- 每个通道均配置独立DC和热过载保护,自动保护放大器和扬声器
- 3年质保,可选择额外延保3年
Model | RMX 850a | RMX 1450a | RMX 2450a | RMX 4050a | RMX 5050a |
Power per Channel, Stereo Mode (both channels driven) | |||||
8Ω, FTC 20 Hz–20 kHz, 0.1% TDH | 185 W | 260 W | 450 W | 800 (650**) W | 1050 W |
8Ω, EIA 1 kHz, 0.1% TDH | 200 W | 300 W | 500 W | 850 W | 1100 W |
4Ω, FTC 20 Hz–20 kHz, 0.1% TDH | 280 W | 400 W | 650 W | 1300 W | 1600 W |
4Ω, EIA 1 kHz, 0.1% TDH | 300 W | 500 W (0.5% tdD) | 800 W | 1400 W | 1800 W |
2Ω, FTC 20 Hz–20 kHz, 1% TDH | – | – | – | 1600 W | 2000 W |
2Ω, EIA 1 kHz, 1% TDH | 430 W | 700 W | 1200 W | 2000 W | 2500 W |
Power, Bridge-Mono Mode | |||||
8Ω, FTC 20 Hz–20 kHz, 0.1% tdD | 530 W | 800 W | 1300 W | 2600 W | 3200 W |
8Ω, EIA 1 kHz, 0.1% tdD | 600 W | 900 W | 1500 W | 2800 W | 3600 W |
4Ω, EIA 1 kHz, 1% tdD | 830 W | 1400 W | 2400 W | 4000 W | 5000 W |
100 V Direct Drive, EIA 1 kHz, 1% THD | – | 600 W | 2300 W | – | – |
Signal to Noise (20 Hz–20 kHz) | -100 dB | ||||
Distortion (SMPTE-IM) | < 0.01% | < 0.02% | |||
Input Sensitivity at 8Ω | 1.15V (+3.4dBu) | 1.23V (+4.0 dBu) | 1.42V (+5.3 dBu) | ||
Voltage Gain | 31.6x (30 dB) | 40x (32 dB) | 50x (34 dB) | 64x (36 dB) | |
Output Circuitry | Class AB | 2-tier Class H | 3-tier Class H | ||
Current Draw (120 V AC) Typical, 1/8 power pink noise at 4Ω* Severe, 1/3 power pink noise at 4Ω* | 4.5 A 6.6 A | 6.0 A 9.6 A | 6.3 A 15.6 A | 10.0 A 20.1 A | 13.9 A 26.9 A |
AC Mains Plug 100/120V 230V | NEMA 5-15 CEE7/7 | NEMA 5-20 CEE7/7 | |||
Weight Net Shipping | 35 lb (15.9 kg) 41 lb (18.6 kg) | 40 lb (18.2 kg) 46 lb (20.9 kg) | 44.5 lb (20.2 kg) 50.5 lb (23 kg) | 68 lb (30.8 kg) 77 lb (34.9 kg) | 75 lb (33.1 kg) 87 lb (37.2 kg) |
Distortion (typical) 20 Hz–20 kHz, 10 dB below rated power 1 kHz and below, full rated power | < 0.03% tdD, 4Ω and 8Ω < 0.03% tdD, 4Ω and 8Ω | < 0.02% tdD, 4Ω and 8Ω < 0.02% tdD, 4Ω and 8Ω | |||
Frequency Response | 20 Hz–20 kHz: +0/-1 dB -3 dB points: 5 Hz and 50 kHz (LF filter bybassed, 8Ω) | ||||
Damping Factor (1 kHz and below) | > 300 at 8Ω | > 250 at 8Ω | |||
Input Impedance | 10 kΩ unbalanced; 20 kΩ balanced | ||||
Input Stage Clipping | 10 V rms (+22 dBu) | 6.4 V rms (+18 dBu) | |||
Cooling | Continuously variable speed fan, back-to-front air flow | ||||
Connectors (each channel) | Input: Active balanced; 3-pin Euro-style detachable terminal block and XLR (pin 2+) Output: Touch-proof binding posts; Neutrik Speakon® | ||||
Controls | Front: AC switch; Channel 1 & 2 gain knobs Rear: 10-position DIP switch | ||||
LED Indicators | Power on: Green; Signal: Yellow (1 per channel); Clip/Protect: Red (1 per channel) | ||||
Amplifier Protection | Full short circuit, open circuit, tdermal, ultrasonic, RF protection. Stable into reactive or mismatched loads | ||||
Load Protection | Turn-on/off muting; AC coupling (850, 1450); Triac crowbar (1850HD, 2450, 4050HD, 5050) on each channel | ||||
Dimensions | 3.5” (8.9 cm) tall; 2 rack spaces | 5.25” (13.3 cm) tall; 3 rack spaces | |||
Power Requirements | 100, 120, 230 V AC (factory configured), 50–60 Hz |
All specifications are subject to change without notice.