MA1.3s Light weight, high performance power amplifier ELECTRONICS
The MA1.3s 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 MA1.3s 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
APPLICATIONS
Live sound reinforcement
Fixed installations
Click pic for larger image
TECHNICAL SPECIFICATIONS
MAX
OUTPUT POWER
EIA
AT 1kHz AND 1% THD
8
PER CHANNEL 350
W
4
PER CHANNEL 650
W
2
PER CHANNEL 1100
W
8
BRIDGED 1400
W
4
BRIDGED 1600
W
MAX
OUTPUT VOLTAGE
8Ω
LOAD 53
Vrms
PEAK
VOLTAGE, NO LOAD 78
V
DISTORTION
THD
20Hz – 20kHz AND 1 W TO FULL POWER 0.07%
THD
AT 1kHz AND –1dB UNDER CLIP 0.01%
DIM
AT –3dB UNDER CLIP 0.008%
HUM
AND NOISE <-105dB
CHANNEL
SEPARATION @ 10kHz 70dB
OUTPUT
IMPEDANCE 30
mΩ
SLEW
RATE 40
V/µs
INPUTS
GAIN
SELECTABLE (dB) 20,
23, 26, 29, 32, 35, 38, 41
IMPEDANCE 10
kΩ
COMMON
MODE REJECTION 50dB
FRONT
PANEL
GAIN
CONTROLS 31
position detent
INDICATORS:
PROTECT Yellow
LED
INDICATORS:
CLIP Red
LED
INDICATORS:
SIGNAL PRESENT (-40dB) Green
LED
REAR
PANEL
INPUT
CONNECTORS Neutrik
Combo
LINK
CONNECTOR XLR-male
CLIP
LIMITERS On/off
each channel
LINK-SWITH CH.
A-B
POWER
OPERATION
VOLTAGE 130-270V
SOFT
START Yes
PEAK
INRUSH CURRENT 5
A
FULL
OUTPUT POWER 180-260
V
MIN
START VOLTAGE 175
V
115V
OPTION Yes
CURRENT
DRAW AT 4Ω/230V
QUIESCENT
POWER (NO LOAD) 0.9
A rms
1/8
OF FULL POWER (-9dB) 5
A rms
1/3
OF FULL POWER (-5dB) 8
A rms
AT
FULL POWER (0dB) @ 1kHz 1%THD 14
A rms
DIMENSIONS
WIDTH 483mm
(19ins)
HEIGHT 88mm
(3.5ins) 2U
DEPTH
(incl. handles) 325mm
(12.8ins)
WEIGHT 7.9kg
(17lbs)
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