- Description
Details
The RMX 850a features a compact chassis less than 16” deep. RMX 850a amplifier includes a comprehensive set of features including XLR and 1/4” balanced inputs, Speakon® and binding post outposts for convenient connectivity. User-defeatable clip limiters and selectable low-frequency filters optimize sonic performance.
- Features
Features
- High-current toroidal transformers for greater 2 ohm power and low noise.
- Independent user-defeatable clip limiters reduce distortion.
- Selectable low-frequency filters (30 Hz or 50 Hz) protect speakers and increase headroom.
- Balanced 1/4” (6.3 mm) TRS, XLR, and barrier strip inputs.
- Touch-proof binding post and Neutrik Speakon® outputs.
- Compact size — up to 2500 watts in 2 rack spaces or 5000 watts in 3 rack spaces.
- Front mounted gain controls for easy access.
- Signal and Clip LED indicators to monitor performance.
- Independent DC and thermal overload protection on each channel automatically protects amplifier and speakers.
- Specification
Stereo Mode 8Ω / FTC 20 Hz – 20 kHz / 0.1% THD 185 W 8Ω / EIA 1 kHz / 0.1% THD 200 W 4Ω / FTC 20 Hz – 20 kHz / 0.1% THD 280 W 4Ω / EIA 1 kHz / 0.1% THD 300 W 2Ω / EIA 1 kHz / 1% THD 430 W Bridge-Mono Mode 8Ω / FTC 20 Hz – 20 kHz / 0.1% THD 530 W 8Ω / EIA 1 kHz / 0.1% THD 600 W 4Ω / EIA 1 kHz / 1% THD 830 W Signal to Noise (20 Hz – 20 kHz) 8Ω > -100 dB Distortion (SMPTE-IM) < 0.01% Input Sensitivity at 8Ω 1.15V (+3.4 dBu) Voltage Gain 31.6x (30 dB) Output Circuitry Class AB Power Requirements Typical, 1/8 power pink noise at 4Ω* 4.5 A Severe, 1/3 power pink noise at 4Ω* 6.6 A Supplied Plug Type, 100/120V NEMA 5-15 Supplied Plug Type, 230V CEE7/7 Distortion (typical) 20 Hz – 20 kHz: 10 dB below rated power < 0.03% THD / 4Ω and 8Ω 1.0 kHz and below: full rated power < 0.03% THD / 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 Input Impedance 10k ohms unbalanced / 20k ohms balanced Input Clipping 10 Vrms (+22 dBu) Cooling Continuously variable speed fan, back-to-front air flow Connectors 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 / Ch. 1 & 2 gain knobs Rear 10-position DIP switch Indicators Power-on Green LED Signal Yellow LED (1 per channel) Clip Red LED (1 per channel) Protect Red LED Amplifier Protection Full short circuit, open circuit, thermal, ultrasonic, RF protection Load Protection Turn-on/off muting / AC coupling (850, 1450) / Triac crowbar (1850HD, 2450, 4050HD, 5050) on each Power Requirements 100, 120, 230 VAC, 50 – 60 Hz (factory configured) Dimensions 3.5” (8.9 cm) tall / 2 rack spaces Net Weight 35 lbs (15.9 kg) Shipping Weight 41 lbs. (18.6 kg) - Reviews
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