QSC Audio RMX 1450 - Manual (Page 2)

RMX850 RMX1450 RMX1850HD RMX2450 RMX4050HD RMX5050
Stereo Mode (both channels driven) Continuous average output power per channel
8Ω / FTC 20 Hz – 20 kHz / 0.1% THD 185 W 260 W 350 W 450 W 800 (650**) W 1050 W
8Ω / EIA 1 kHz / 0.1% THD 200 W 280 W 360 W 500 W 850 W 1100 W
4Ω / FTC 20 Hz – 20 kHz / 0.1% THD 280 W 400 W 550 W 650 W 1300 W 1600 W
4Ω / EIA 1 kHz / 0.1% THD 300 W 450 W 600 W 750 W 1400 W 1800 W
2Ω / FTC 20 Hz – 20 kHz / 1% THD − − − − 1600 W 2000 W
2Ω / EIA 1 kHz / 1% THD 430 W 700 W 900 W 1200 W 2000 W 2500 W
Bridge-Mono Mode Continuous average output power
8Ω / FTC 20 Hz – 20 kHz / 0.1% THD 530 W 800 W 1100 W 1300 W 2600 W 3200 W
8Ω / EIA 1 kHz / 0.1% THD 600 W 900 W 1200 W 1500 W 2800 W 3600 W
4Ω / EIA 1 kHz / 1% THD 830 W 1400 W 1800 W 2400 W 4000 W 5000 W
Signal to Noise (20 Hz – 20 kHz) 8Ω > -100 dB > -100 dB > -100 dB > -100 dB > -100 dB > -100 dB
Distortion (SMPTE-IM) < 0.01% < 0.01% < 0.02% < 0.02% < 0.02% < 0.02%
Input Sensitivity at 8Ω 1.15V (+3.4 dBu) 1.15V (+3.4 dBu) 1.16V (+3.5 dBu) 1.23V (+4.0 dBu) 1.25V (+4.1 dBu) 1.42V (+5.3 dBu)
Voltage Gain 31.6x (30 dB) 40x (32 dB) 46x (33 dB) 50x (34 dB) 64x (36 dB) 64x (36 dB)
Output Circuitry Class AB Class AB 2-tier Class H 2-tier Class H 3-tier Class H 3-tier Class H
Power Requirements
Typical, 1/8 power pink noise at 4Ω* 4.5 A 6.0 A 6.1 A 6.3 A 10.0 A 13.9 A
Severe, 1/3 power pink noise at 4Ω* 6.6 A 9.6 A 11.2 A 15.6 A 20.1 A 26.9 A
Supplied Plug Type, 100/120V NEMA 5-15 NEMA 5-15 NEMA 5-15 NEMA 5-15 NEMA 5-15 NEMA 5-20
Supplied Plug Type, 230V CEE7/7 CEE7/7 CEE7/7 CEE7/7 CEE7/7 CEE7/7
Weight
Net 35 lb (15.9 kg) 40 lb (18.2 kg) 44.5 lb (20.2 kg) 44.5 lb (20.2 kg) 68 lb (30.8 kg) 75 lb (33.1 kg)
Shipping 41 lb (18.6 kg) 46 lb (20.9 kg) 50.5 lb (23 kg) 50.5 lb (23 kg) 77 lb (34.9 kg) 87 lb (37.2 kg)
Distortion (typical)
20 Hz – 20 kHz: 10 dB below rated power < 0.03% THD / 4Ω and 8Ω < 0.02% THD / 4Ω and 8Ω
1.0 kHz and below: full rated power < 0.03% THD / 4Ω and 8Ω < 0.02% 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 > 250 at 8Ω
Input Impedance 10k ohms unbalanced / 20k ohms balanced
Input Clipping 10 Vrms (+22 dBu) 6.4 Vrms (+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 / 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. 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 VAC, 50 – 60 Hz (factory configured)
* at 120VAC, both channels driven; multiply current by .5 for 230V units
** CE Rating
RMX Series
Specifications
qscaudio.com
Specifications subject to change without notice.
1675 MacArthur Boulevard • Costa Mesa, CA 92626 • Ph: 800/854-4079 or 714/957-7100 • Fax: 714/754-6174
RMX Spec Sheet 06/05/08
QSC and the QSC logo are registered trademarks of QSC Audio Products, LLC in the U.S. Patent and Trademark office and other countries. Speakon is a trademark of Neutrik.
All other trademarks are the property of their respective owners. Patents may apply or be pending.