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Professional Audio Shop Established Since 1996
Model | RMX850A | RMX1450A | RMX2450A | RMX4050A | RMX5050A |
Power per Channel, Stereo Mode (both channels driven) | |||||
8Ω, FTC 20 Hz–20 kHz, 0.1% tdD | 185 W | 260 W | 450 W | 800 (650**) W | 1050 W |
8Ω, EIA 1 kHz, 0.1% tdD | 200 W | 300 W | 500 W | 850 W | 1100 W |
4Ω, FTC 20 Hz–20 kHz, 0.1% tdD | 280 W | 400 W | 650 W | 1300 W | 1600 W |
4Ω, EIA 1 kHz, 0.1% tdD | 300 W | 500 W (0.5% tdD) | 800 W | 1400 W | 1800 W |
2Ω, FTC 20 Hz–20 kHz, 1% tdD | – | – | – | 1600 W | 2000 W |
2Ω, EIA 1 kHz, 1% tdD | 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 |
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 |
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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® |
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Controls | Front: AC switch; Channel 1 & 2 gain knobs Rear: 10-position DIP switch |
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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 | ||||
Product Dimensions (H×W×D) | 89 (2 RU) × 482 × 404 mm 3.5 (2 RU) × 19 × 15.9 in |
132 (3 RU) × 482 × 404 mm 5.25 (3 RU) × 19 × 15.9 in |
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Carton Dimensions (H×W×D) | 610 × 560 × 153 mm 24 × 22 × 6 in |
610 × 560 × 229 mm 24 × 22 × 9 in |
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Net Weight | 15.9 kg / 35 lb | 18.2 kg / 40 lb | 20.2 kg / 44.5 lb | 30.8 kg / 68 lb | 33.1 kg / 75 lb |
Shipping Weight | 18.6 kg / 41 lb | 20.9 kg / 46 lb | 23 kg / 50.5 lb | 34.9 kg / 77 lb | 37.6 kg / 87 lb |
Power Requirements | 100, 120, 230 V AC (factory configured), 50–60 Hz |
All specifications are subject to change without notice
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unused, with all accessories and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at boutique@seconcept.com. If your return is accepted, we’ll send you a return shipping label (at your expenses) as well as instructions on how and where to send your package back. Items sent back to us without first requesting a return will not be accepted and not refunded.
You can always contact us for any questions prior to purchase by email at: boutique@seconcept.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
All Returns must contain all associated packaging and materials (ie accessories, manuals, wires, etc). Merchandise that is not returned in brand-new condition, including damages, abuse, marks, showing wear, or with missing packaging or accessories, will be subject to additional charges. Shipping and Handling charges (delivery and return) are non-refundable, including any shipping fees not directly incurred that are part of a free shipping promotion. Any items packaged with software, including but not limited to, DJ Controllers, Audio Interfaces, etc., must be returned with the original software disc including serial number and proof of deactivation.
We cannot accept returns on liquidation, special orders, liquid, needles, parts, used, sales, open box item or gift cards.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.
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Model | RMX850A | RMX1450A | RMX2450A | RMX4050A | RMX5050A |
Power per Channel, Stereo Mode (both channels driven) | |||||
8Ω, FTC 20 Hz–20 kHz, 0.1% tdD | 185 W | 260 W | 450 W | 800 (650**) W | 1050 W |
8Ω, EIA 1 kHz, 0.1% tdD | 200 W | 300 W | 500 W | 850 W | 1100 W |
4Ω, FTC 20 Hz–20 kHz, 0.1% tdD | 280 W | 400 W | 650 W | 1300 W | 1600 W |
4Ω, EIA 1 kHz, 0.1% tdD | 300 W | 500 W (0.5% tdD) | 800 W | 1400 W | 1800 W |
2Ω, FTC 20 Hz–20 kHz, 1% tdD | – | – | – | 1600 W | 2000 W |
2Ω, EIA 1 kHz, 1% tdD | 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 |
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 |
|||
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 | ||||
Product Dimensions (H×W×D) | 89 (2 RU) × 482 × 404 mm 3.5 (2 RU) × 19 × 15.9 in |
132 (3 RU) × 482 × 404 mm 5.25 (3 RU) × 19 × 15.9 in |
|||
Carton Dimensions (H×W×D) | 610 × 560 × 153 mm 24 × 22 × 6 in |
610 × 560 × 229 mm 24 × 22 × 9 in |
|||
Net Weight | 15.9 kg / 35 lb | 18.2 kg / 40 lb | 20.2 kg / 44.5 lb | 30.8 kg / 68 lb | 33.1 kg / 75 lb |
Shipping Weight | 18.6 kg / 41 lb | 20.9 kg / 46 lb | 23 kg / 50.5 lb | 34.9 kg / 77 lb | 37.6 kg / 87 lb |
Power Requirements | 100, 120, 230 V AC (factory configured), 50–60 Hz |
All specifications are subject to change without notice
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