- A professional-quality 2-channel amplifier
- Features a compact size and delivers up to 700 watts
- Features high-current toroidal transformers
- Features independent clip limiter and low-frequency filter
- Balanced 1/4-inch TRS, XLR, and barrier strip input connectors
- Touch-proof binding post and Neutrik Speakon output connectors
- Front-mounted gain controls for easy access
- Signal and clip LED indicators for monitoring performance
- Independent DC and thermal overload protection on each channel
- Stereo, Bridge Mono, and Parallel modes of operation
The QSC RMX1450a Power Amplifier is designed for professional quality performance. The QSC is known for incorporating road-proven designs into its products.
Compact Design
This amplifier is compact in size, delivering up to 700 watts. It is designed with a high-current toroidal transformer, which provides greater 2-ohm power and low noise. It features independent user-defeatable clip limiters that reduce distortion. It is enriched with selectable low-frequency filters to protect speakers and increase headroom.
Easy Connection
The QSC RMX1450a amplifier has balanced 1/4-inch TRS, XLR, and barrier strip inputs, as well as touch-proof binding posts and Neutrik Speakon outputs. Its front-mounted gain controls allow for easy access and adjustment of gain levels.
Control
The amplifiers feature signal and clip LED indicators for monitoring performance. It has independent DC and thermal overload protection on each channel, which automatically protects the amplifier and speakers from damage.
- QSC RMX1450a Professional, Two Channels Power Amplifier with Input and Output Connectors
- Quick Start Guide
- Adhesive Rubber Feet
- Rear Rack Ear Mounting Kit
- IEC-Type Detachable Power Cord
- Limited 3-Year Warranty
QSC RMX1450a Professional, Two Channels Power Amplifier with Input and Output Connectors
- Power per Channel, Stereo Mode (both channels driven):
- 8Ω, FTC 20 Hz to 20 kHz, 0.1 percent THD: 260 watt
- 8Ω, EIA 1 kHz, 0. Percent THD: 300 watt
- 4Ω, FTC 20 Hz to 20 kHz, 0.1percent THD: 400 watt
- 4Ω, EIA 1 kHz, 0.1percent THD: 500 W (0.5 percent tdD)
- 2Ω, EIA 1 kHz, 1percent THD: 700 watt
- Power, Bridge-Mono Mode:
- 8Ω, FTC 20 Hz–20 kHz, 0.1percent THD: 800 watt
- 8Ω, EIA 1 kHz, 0.1percent THD: 900 watt
- 4Ω, EIA 1 kHz, 1percent THD: 1400 watt
- 100 V direct drive, EIA 1 kHz, 1percent THD: 600 watt
- Signal to noise (20 Hz to 20 kHz): -100 dB
- Distortion (SMPTE-IM): < 0.01percent
- Input sensitivity at 8Ω: 1.15V (+3.4dBu)
- Voltage gain: 40x (32 dB)
- Output circuitry: Class AB
- Current draw (120 V AC):
- Typical, 1/8 power pink noise at 4Ω: 6.0 A
- Severe, 1/3 power pink noise at 4Ω: 9.6 A
- AC mains plug 100/120V 230V: NEMA 5-15CEE7/7
- Distortion (typical):
- 20 Hz to 20 kHz, 10 dB below rated power: < 0.03percent tdD, 4Ω and 8Ω
- 1 kHz and below, full rated power: < 0.03percent tdD, 4Ω and 8Ω
- Frequency response:
- 20 Hz to 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: 10 kΩ unbalanced; 20 kΩ balanced
- Input stage clipping: 10 V rms (+22 dBu)
- Cooling: Continuously variable speed fan, back-to-front airflow
- 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 and 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 x W x D): 3.5 (2 RU) x 19 x 15.9-inch
- Carton dimensions (H x W x D): 24 x 22 x 6-inch
- Net weight: 40 lb
- Shipping weight: 46 lb
- Power requirements: 100, 120, 230 V AC (factory configured), 50 to 60 Hz
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- For Domestic Shipping to the Lower 48 States: All shipping prices include shipping, handling and insurance (if necessary).
- For Domestic Shipping to Alaska, Hawaii, Puerto Rico, US Territories, APO & FPO: For many items to these destinations there will be an additional shipping fee. The shipping costs may be calculated on the Shipping and Payments tab by entering your Zip Code. Free shipping is for the lower 48 only
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Returns are permitted if you are not satisfied with your purchase and must be initiated by the buyer within 30 days from delivery date.
For Domestic Purchases:
If you are not satisfied with your purchase, you may return it (see exceptions in Paragraph F below), within 30 days of receipt, for a refund or replacement - subject to the following:
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For International Purchases:
Returns will be accepted within 30 days of the receipt of the item. In order to be eligible for a refund your returned merchandise must be in its original unopened condition, as shipped, with all packaging, manuals, and paperwork intact and unaltered. Items removed from their 'blister-pack' display packaging are non-refundable.
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