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

Page 34

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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

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