Description
Next Pro Audio MA900 – 2U Professional Power Amplifier
KEY FEATURES
- Calibrated input attenuators
- Signal present, Maximum power and Protection
- XLR and 6,35mm TRS jack paralleled balanced inputs
- Mode selector (Parallel, Stereo or Bridge)
- Anti-clipping compressor and Earth-lift switches
MAIN CHARACTERISTICS
- Stereo 8Ω: 2x 200W
- Bridge 4Ω: 950W
- Frequency Response (half power): 15Hz – 25.000Hz (+0 / -1dB)
- Damping Factor 1kHz at 8Ω: >400:1
- Input Impedance: 10kΩ balanced to ground
The supply
The MA series power supply uses high-current toroidal transformers and a huge capacitor bank to ensure an uncommonly high amount of stored energy. This makes a critical difference in sound quality allowing incredible transient response and speakers motion control, even when driving 2Ω loads.The audio performance
To achieve its remarkable sound quality, the NEXT MA series output circuits were engineered as a high bandwidth, very low bias and feedback class AB or H (MA3200 andMA3800), using the highest grade linear output devices. This approach yields outstanding studio-quality sound accuracy and detail.
Output Power (RMS)
Inputs and Outputs
Input Sensitivity
Selectable (0.77V / 1.0V / 1.44V)
Input Impedance
10kΩ balanced to ground
Input Connectors
Female XLR-3 and 6,35 TRS jack
Output Connectors
4 pole Speakon and binding posts
Audio Performance
Frequency Response (half power)
15Hz – 25.000Hz (+0 / -1dB)
THD+N at 1kHz (half power)
<0.03%
IMD 60Hz and 7kHz, 4:1
<0.01%
Signal to Noise Ratio
>102dB
Slew Rate (Input Filter Limited)
40V/uS
Damping Factor 1kHz at 8Ω
>400:1
Features
Amplifier Topology
Class AB
Protections
Full short circuit, open circuit, thermal, soft start, DC, Sub/Ultrasonic and RF
LED Indicators (Per Channel)
Active, signal, limit, protect
Panel Controls
Front: 2 input attenuators | Rear: Ground lift, mode selection, compressor
Cooling
Front to back via 2 variable speed fans
General
Power Requirements
230VAC, 50Hz-60Hz (others by request)
Dimensions (WxDxH)
483mm x 465mm x 88.8mm (19.02 x 18.31 x 3.5in)
Net Weight
17.4kg (38.4lb)
Shipping Weight
19kg (41.9lb)
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