Specifications, Power amplifier, Mxa-1502 • operating manual – Ashly mXa-1502 12-Channel 4-Zone DSP Mixer-Amplifier User Manual
Page 34

Specifications
Maximum Output Power
CEA-2006/490A, 20ms 1kHz 1%THD+N, 480ms
1kHz -20dB, 120VAC all channels driven at
rated load ow Z output, per channel
Low Z output, per channel
8 Ohm
150W
4 Ohm
150W
2 Ohm
150W
Low Z output, per bridged channel pair
8 Ohm
300W
4 Ohm
300W
Hi-Z output, per channel
25V
150W
70V
150W
100V
150W
Hi-Z output, per bridged channel pair
25V
300W
70V
300W*
100V
300W*
*May require Class 3 speaker wiring,
all others use Class 2 wiring.
Total AC Mains Power Draw
Typical input, all channels driven, 120VAC
Sleep
<1W
Standby
15W
Idle (no signal)
33W
1/8 max power, 2 Ohm 133W
AC Mains Current Draw
Typical input, all channels driven
120VAC (divide in half for 240V)
Sleep mode
0.094A
Standby mode
0.2A
Idle (no signal)
0.35A
1/8 max power, 70V
1.16A
Thermal Dissipation
in BTU/hour with typical input, all channels
driven, 120VAC
Sleep mode
2.14BTU/h
Standby
51BTU/h
Idle (no signal)
112BTU/h
1/8 max power, 2 Ohm 325BTU/h
Damping Factor ,
8 ohm load, <1kHz
>250
Distortion,
SMPTE, typical
<0.5%
Distortion,
THD-N, typical
<0.5%
Channel Separation,
dB from full output, 1kHz
-75 dB
Signal to Noise,
20Hz-20KHz, unweighted
>99 dB
Frequency Response
20Hz-20kHz, +/- 0.05dB
General Specifications
Mic/Line Input
Euroblock 3.5mm
Input Impedance
Active balanced, 18kΩ
Maximum Input Level
+21dBu
Input Gain Range
0dB to +66dB
Phantom Power
+48V, software
switchable per channel
Stereo Line Input
Dual RCA, unbalanced
Input Impedance
10.0KΩ
Maximum Input Level
-10dBv (-7dBu)
AUX Output
Aux 1, Aux 2, Euroblock
3.5mm, balanced
AUX Out Maximum Level +21 dBu
Speaker Output
Euroblock 7.62mm
VCA 1-3 input
Euroblock 3.5mm
+1.8V, VCA pins 1-3, G
Data Connection
(
reserved for future use)
Euroblock 3.5mm
Data In/Out, +18V, Gnd
Trigger 1-8
contact closure input
Euroblock 3.5mm
assignable function
GPO 1 & 2 general
purpose outputs
Euroblock 3.5mm
assignable function
Amplifier Fault 1 & 2
logic outputs
High (+3V) when amp
channel is on and ok,
low (0V) when amp
channel is off or in a
protect/fault state
Remote Standby
Contact Closure
Euroblock 3.5mm
close to engage standby
Ethernet
RJ45, 100MB/1GB
Output Mode select
per amp channel
4 pos. DIP switch
Lo-Z - 4Ω, 8Ω
Hi-Z - 25V, 70V, 100V
Front Panel LED Features
Clip/Mute LED
Red, ON at max output
power, mute, level fully off
Signal LED
Green, ON at 18dB
below full output
Current LED
Green, ON when 0.5A
current delivered to
speaker load
Temp LED
Yellow, ON when
countermeasures
applied for excess heat
Power LED
White, ON, OFF,
Flashing for Standby
Com LED
Green, ON during
Ethernet activity
Protect LED
Red, ON for amp fault
causing shut-down
Sleep LED
Blue, ON for sleep mode
Disable LED
Yellow, ON when power
switch disabled
Bridge LED
Green, ON when amp
is in bridge mode
Front Panel
Select Buttons
A, B, C, D, programmable
for source select or
preset recall
Factory reset switch
see section 3.3
Processors
Input A/D:
24 bit
Output D/A:
24 bit
DSP Processors:
32-bit floating point
Sample Rate:
48kHz
Propagation Delay
1.42 ms
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mXa-1502 • Operating Manual