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| 1300W switch power supply performance amplifier |
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| Model No.︰ | MA2.8s |
| Brand Name︰ | Bellesound |
| Country of Origin︰ | China |
| Unit Price︰ | - |
| Minimum Order︰ | - |
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Light weight, high performance power amplifier
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The MA2.8s is one of a range of power amplifiers that have been designed to combine reliability and high power with sonic excellence. Utilising an advanced switch mode power supply, the amplifier is characterised by a very high power-to-weight ratio in a lightweight, 2U package. The innovative technology at the heart of the MA2.8s enables it to set new standards in terms of sonic accuracy, impact and clarity.
FEATURES
- Switch mode power supply
Superior sonic performance
Light weight
Advanced protection circuits
Efficient copper cooling system
Minimum load switches (MLS™)
APPLICATIONS
- Live sound reinforcement
Fixed installations
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TECHNICAL SPECIFICATIONS
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MAX OUTPUT POWER
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EIA AT 1kHz AND 1% THD
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MLS in 0dB position
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8 PER CHANNEL
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1300 W
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4 PER CHANNEL
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2300 W
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2 PER CHANNEL
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2900 W
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8 BRIDGED
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4600 W
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4 BRIDGED
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5800 W
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MAX OUTPUT VOLTAGE
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8Ω LOAD
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94 Vrms
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PEAK VOLTAGE, NO LOAD
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135 V
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DISTORTION
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THD 20Hz – 20kHz AND I W TO FULL POWER
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0.08%
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THD AT 1kHz AND –1dB UNDER CLIP
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0.03%
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DIM AT –3dB UNDER CLIP
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0.02%
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HUM AND NOISE
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<-105dB
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CHANNEL SEPARATION @ 10kHz
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80dB
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OUTPUT IMPEDANCE
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60 mΩ
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SLEW RATE
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20 V/µs
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INPUT
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GAIN SELECTABLE (dB)
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20, 23, 26, 29, 32, 35, 38, 41
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IMPEDANCE
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10 kΩ
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COMMON MODE REJECTION
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50dB
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FRONT PANEL
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GAIN CONTROLS
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31 position detent
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INDICATORS: PROTECT
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Yellow LED
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INDICATORS: CLIP
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Red LED
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INDICATORS: SIGNAL PRESENT (-40dB)
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Green LED
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REAR PANEL
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INPUT CONNECTORS
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Neutrik Combo
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LINK CONNECTORS
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XLR-Male
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CLIP LIMITERS
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On/off each channel
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MLS SWITCH
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0, -2, -4, -5dB
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LINK - SWITCH
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CH. A-B
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POWER
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OPERATION VOLTAGE
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130-270V
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SOFT START
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Yes
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PEAK INRUSH CURRENT
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5 A
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FULL OUTPUT POWER
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180 - 260 V
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MIN START VOLTAGE
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175 V
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115V OPTION
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Yes
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CURRENT DRAW AT 4Ω/230V
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QUIESCENT POWER (NO LOAD)
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1 A rms
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1/8 OF FULL POWER (-9dB)
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5 A rms
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1/3 OF FULL POWER (-5dB)
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11 A rms
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AT FULL POWER (0dB) @ 1kHz 1%THD
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19 A rms
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DIMENSIONS
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WIDTH
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483mm (19ins)
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HEIGHT
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88mm (3.5ins) 2U
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DEPTH (incl. handles)
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393mm (15.5ins)
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WEIGHT
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10kg (22lbs)
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