Atlas IED AZA404 User Manual

AZA404

Multi-Channel Network Amplifier

Features

• 4 Amplified Channels

• AZA404 Configuration Power Levels

• 4 x 100-Watt 70V (Factory Default)

• 4 x 100-Watt 100V

• 4 x 75-Watt @ 8Ω

• 4 x 50-Watt @ 4Ω

• 2 x 100-Watt 70V/100V & 2 x 75-Watt @ 8Ω

• 2 x 100-Watt 70V/100V & 2 x 75 -Watt @ 4Ω

• Integrates with Atmosphere AZM Zone Master

• Energy Efficient

• Convection Cool / Fan Assist

• Accepts Low Z & Hi Z Loads

• Onboard Web UI for Remote Monitoring of Status & Levels

• Front Panel Power Switch Disable

• APD - Auto Power Down with Audio Sense Turn On

• Dante™ Optional Accessory Card Slot

Applications

AZA Series amplifiers integrate with Atmosphere signal processors
which makes them ideal for use in restaurants, presentation rooms,
classrooms, conference rooms, and retail background / foreground music
applications.

General Description

The AtlasIED Atmosphere AZA404 four-channel amplifier is designed
to interface with the Atmosphere family of products, such as the
AZM series of processors. The AZA amplifiers can be configured in
three different configurations to meet the design requirements of
any installation. These AZA models are factory preconfigured in a
four-channel, 70V mode. If the design requires four channels of low
impedance amplification, the AZA amplifiers can be configured as
four-channel models with either 4Ω or 8Ω load impedances. Many
system designs require both low and high impedance amplification.
These AZA models can be configured to deliver 70V / 100V for a
paging / background system on two (2) channels plus two (2) additional
4Ω or 8Ω amplifier channels for foreground stereo application.

These AZA models come standard with four (4) balanced line inputs
and an accessory slot for an optional four-channel Dante™ receiver card
(model DPA-DAC4), giving the AZA404 and AZA804 a total of up to eight
(8) inputs. All inputs can be mixed and routed to any of the four amplifier
channels. All four (4) amplifier channels have an assortment of advanced
DSP tools.

The AZA404 is ready to use out of the box in four-channel, 70V mode,
with no configuration or network connectivity required, making them
easily paired for use with AtlasIED Atmosphere Signal Processors.

©2020 Atlas Sound LP. The Atlas “Circle A”, Soundolier, and Atlas Sound are trademarks of Atlas Sound L.P. IED is a Registered Trademark of Innovative Electronic Designs LLC. All rights reserved.

All other Trademarks are property of their respective owners. No endorsement is implied. Due to continual product development, specifications are subject to change without notice. ATS006181 RevC 8/20

1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.

TELEPHONE: [phone]
[e-mail]

AtlasIED.com

System

Type 400-Watt 4-Channel Configurable Network Digital Commercial Power Amplifier

Power Supply Type Global Switch Mode

Amp Topology Class AB Hybrid-BASH

Number of Fixed Inputs 4

Accessory Inputs 4 (Optional Accessory Card Required)

DSP Internal Ye s

Network Ethernet

Optional Card Slot Yes x 1

Output Power (Note 1)

100V x 4 CH 100 W

70V x 4 CH (Factory Default) 100 W

8Ω x 4 CH 75W

4Ω x 4 CH 50W

2Ω x 4 CH NA

8Ω Bridge NA

4Ω Bridge NA

100V x 1 + 8Ω x 2CH 100W / 75W

70V x 1 + 8Ω x 2CH 100W / 75W

100V x 1 + 4Ω x 2 CH 100W / 50W

70V x 1 + 4Ω x 2 CH 100W / 50W

Factory Default Settings (As Shipped)

Amplifier Configuration 4 CH 70V Mode

Level Controls Assignment Front Panel

I/O Matrix Input 1 Routed to Output 1, Input 2 to Output 2, Input 3 to Output 3, Input 4 to Output 4

Level Position DSP Set to 0dBU

EQ & Filters DSP High Pass Filers Set to -3dB 20Hz, EQ Filters Flat

Limiter 0dB (Max Power)

GPIO Control Ports (Rear Panel) Remote Level, C1 Assigned to Output 1, C2 to Output 2, C3 to Output 3, C4 to Output 4

Auto Power Down (APD) Disabled

Inputs

Input Quantity 4 Balanced Inputs, Expandable to 8 via Dante Accessory Card

Input Type (Line Balanced or Unbalanced) Balanced

Input Impedance 40kΩ

Input Sensitivity 750mV Balanced, 0dBu

Maximum Input Level dBu & Vrms 14dBu, 3.82V

Input Connectors Type 3.5mm Euro Block

Accessory Slot 4 Input Dante™ Digital Card (DPA-DAC4)

Level Control

®

GUI Control PC (Requires Ethernet Cable), iPhone

Status Indicators

Power Blue

Standby (Remote Turn ON) Blinking Blue, Front Panel Only

Output Signal Green

LED Bar Meter GUI Only

Output Limit / Protect Red

4Ω / 8Ω Yellow, CH 1/2 & CH 3/4

70V / 100V Operation Yellow, CH 1/2 & CH 3/4

Output Mute Status Flashing Red

©2020 Atlas Sound LP. The Atlas “Circle A”, Soundolier, and Atlas Sound are trademarks of Atlas Sound L.P. IED is a Registered Trademark of Innovative Electronic Designs LLC. All rights reserved.

All other Trademarks are property of their respective owners. No endorsement is implied. Due to continual product development, specifications are subject to change without notice. ATS006181 RevC 8/20

, Android® Using a Standard Web Browser

1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.

TELEPHONE: [phone]
[e-mail]

AtlasIED.com

DSP Elements

IO Routing Matrix Mixer

Hi & Low Pass Filters One Per Output, Adjustable Slopes and Frequencies

EQ 5 Parametric Filters Per Output

Delay 60mS Per Output

Limiter Each Output up to 12dB of Assignable Limiting

DSP Frequency Type 48k, 24bit

Interface Control Ports

USB No

Ethernet GUI Access, RJ45 Rear Panel

Wi-Fi No

Bluetooth No

GPIO Ports

Location Rear

GPIO Ports Qty 4, Remote Level & Mute Functions, Assignable, PHX Connector

Connection Euro Block PHX Type 3.5mm, 6 Pins, Ground, +10VDC, C1, C2, C3, C4

Functions Mute, Remote Level (Assignable)

Output Terminals (Speaker)

Output Connectors Type Screw Terminal Barrier Strip with Cover

Output Connectors Number of Terminals 8, M4 Thread

Output Connectors Fixed or Removable Fixed

Wire Size 18-10 AWG When Using Yellow Spade Lug 0.250 Terminal, Qty 8 Included (Class 3 Wiring Required)

Terminal Spacing 0.300" (7.62mm)

Current Rating 25A per Terminal

Cooling

APD Standby, Active Idle Convection Cooled

In Use Convection Cooled with Variable Speed Fan Assist

Cooling Air Flow Direction Rear to Front

Electrical Specications (General)

Total Harmonic Distortion 1 kHz and 1dB
Below Rated Power

Frequency Response 20Hz - 20kHz (DSP Filters Set to Flat)

Signal to Noise Ratio >100dB Below Rated Output (A-weighted)

Damping Factor (20Hz to 400Hz) 100 (Measurement is Limited Due To DSP)

Slew Rate 40Vus

Crosstalk 73dB @ 1KHz, CH1-2 & CH 2-1, CH3-4 & CH4-3

Protection Hi / Low Input Voltage, Thermal, Short, Over Current

Max Output Peak Voltage 100V Mode 140V

Max Output Peak 4Ω Mode 3.5A

AC Power Requirements

Operating Voltage 110V - 120V & 220V - 230V 50/60Hz, Auto Voltage Sense

Mains Interface IEC 15A Receptacle

Power Cord (Included) 1.5m, IEC C13 to NEMA 5-15P Plug, 18AWG

Minimum Power-Up Voltage 90V

Maximum Operating Voltage 264V

Recommended AC Mains Current Requirements 2.7A (Speech & Background Music), 8.2A (Max Usage)

Typical, 0.2%

©2020 Atlas Sound LP. The Atlas “Circle A”, Soundolier, and Atlas Sound are trademarks of Atlas Sound L.P. IED is a Registered Trademark of Innovative Electronic Designs LLC. All rights reserved.

All other Trademarks are property of their respective owners. No endorsement is implied. Due to continual product development, specifications are subject to change without notice. ATS006181 RevC 8/20

1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.

TELEPHONE: [phone]
[e-mail]

AtlasIED.com

Power Consumption / Current Draw (Note 5) Amps Watts BTU / hr (Note 4)

Sleep Mode 90mA 4W 12 BTU

Standby / APD Mode (Note 2) 225mA 18W 56 BTU

Idle Active Mode (Note 2) 650mA 40W 126 BTU

Average Power 4Ω, All Channels Driven (Note 3) 2.2A 160W 504 BTU

Average Power 70V, All Channels Driven (Note 3) 2.7A 215W 648 BTU

Max Power 4Ω, All Channels Driven (Note 4) 6.1A 486W 1479 BTU

Max Power 70V, All Channels Driven (Note 4) 8.2A 710W 2079 BTU

Dimensions and Weight

Rack Mount Requirements 1 RU, 19"

Dimensions - Unit W 19" x H 1.77" x D 15.5" (483mm x 45mm x 394mm)

Dimensions - Shipping W 24.5" x H 3.5" x D 18.7" (635mm x 89mm x 477mm)

Weight - Unit 13 lbs. (5.92kg)

Weight - Shipping 17.4 lbs (7.94kg)

Agency Approvals

North America Agency TUV

Testing Standard North America 62368-1

FCC Class A (Conducted & Radiated Emissions) Part 15 of the FCC Rules

RoHS / WEEE Compliant Yes

CE Ye s

Optional Accessories

AZA IP Discovery Software Ye s

DPA-DAC4 4 CH Dante™ Receiver

DPA-AMIX (2) Mic / Line, (2) AUX Input Card

Notes:

1. Power level measurement is defined as follows: 1KHz Sine wave signal burst of 20 cycles (20mS) at 1% THD+N, followed by 480 cycles of a 1kHz

sine wave at 10% of the max power. Other power measurements are available upon requests.

2. Power measurement with Ethernet connected. Without Ethernet connected deduct 0.2W

3. Average Power is defined as Pink Noise input signal applied to achieve 1/4 of the 4 Ohm or 70.7V power rating.

4. Max Power is defined as 1 KHz input signal applied to achieve the maximum power output before clipping into a 4 Ohm or 70.7V load.

5. BTU is calculated by the AC Mains Power consumed minus the total power output measured at the specified load and condition, multiplied by

3.412. Example: 785 Watts from the AC Source - 600 Watts Total Output power = 185 x 3.412 = 631 BTU

©2020 Atlas Sound LP. The Atlas “Circle A”, Soundolier, and Atlas Sound are trademarks of Atlas Sound L.P. IED is a Registered Trademark of Innovative Electronic Designs LLC. All rights reserved.

All other Trademarks are property of their respective owners. No endorsement is implied. Due to continual product development, specifications are subject to change without notice. ATS006181 RevC 8/20

1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.

TELEPHONE: [phone]
[e-mail]

AtlasIED.com

Dimensional Drawings

(355.6mm)

1.72"

(43.7mm)

19"

(480.8mm)

1

Channel

2 3 4
Signal

Limit/
Protect

Operating Mode

Ch. 1/2 3/4

4/8Ω

70/100V

AZA404

Configuration Interface

Web Browser Access

Ethernet

For AZA Configuration Instructions
Visit www.AtlasIED.com/AZA-Series

+10V C2

C1 C3C4GND

Control Ports

Amplifier

Accessory Card Slot

+

+

– –

G

G

Input [1] [4] Input[2] [3]

110-120V/220-240V~50/60Hz 4A

CH 1 CH 2 CH 3 CH 4

+

1

1 –2 +2 –3 +3 –4 +4

+

+

– –

G

G

–

Amplifier
Channel

Fuse

Outputs

T4A L 250V

Class 3 Wiring

©2020 Atlas Sound LP. The Atlas “Circle A”, Soundolier, and Atlas Sound are trademarks of Atlas Sound L.P. IED is a Registered Trademark of Innovative Electronic Designs LLC. All rights reserved.

All other Trademarks are property of their respective owners. No endorsement is implied. Due to continual product development, specifications are subject to change without notice. ATS006181 RevC 8/20

1601 Jack McKay Blvd. • Ennis, TX 75119

800.876.3333 • AtlasIED.com

WARNING: SHOCK HAZARD - DO NOT OPEN

AVIS: RISQUE DE CHOC ELÉCTRIQUE - NE PAS OUVRIR

WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK

DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE

AVIS: NE PAS EXPOSER CE MATÉRIEL À LA PLUIE OU L’HUMIDITE

AFIN DE REDUIRE LE RISQUE D’INFLAMMATION OU DE CHOC ELÉCTRIQUE

Factory Reset Instructions

To reset IP configuration to factory default settings:

• Disconnect the power from the device

• Wait 60 seconds

• Connect power to the device

• Press and hold front panel power switch until LED blinks 5 times quickly

• IP configuration is reset to factory default settings

• Factory settings DHCP enabled

• For direct connection to amp refer to installation guide

1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.

Note: Amplifier output load configuration is set via DSP GUI

17"

(431.8mm)

14"

(355.6mm)

TELEPHONE: [phone]
[e-mail]

Note: Out of the box, the AZA Amplifier
is configured in 70 Volt mode.

CAUTION: For continued protection
against risk of fire, replace only with
same type fuse and rating.
ATTENTION: Utiliser un fusible de
rechange de meme type et calibre.

FUSE RATING:

AZA404 - T4A L 250VAC
110-120V/220-240V~50/60Hz 4A
AZA804 - T8A L 250VAC
110-120V/220-240V~50/60Hz 8A

Certified to IEC 62368-1

(25.4mm)

1"

AtlasIED.com

Architect and Engineer Specications

The AZA404 amplifier shall be ready to use, out of the box in
four-channel, 70V mode, with no configuration or network connectivity
required. The AZA404 shall be ideally suited to be used with AtlasIED
Atmosphere Signal Processors. The AZA404 shall be configurable as
four-channel high impedance 70V / 100V or four- channel low impedance
4Ω or 8Ω or two-channel low impedance 4Ω or 8Ω and two-channel high
impedance 70V/100V mode. The I/O router shall be configured as follows:
Input 1 routed to Outputs 1, Input 2 to Output 2, Input 3 to Output 3
and Input 4 to Output 4. This out of box configuration will not require a
computer or network to operate.

The performance specifications shall match or exceed the following:
70V / 100V = 4CH x 100W; 8Ω = 4CH x 75W, 4Ω = 4CH x 50W;
70V / 100V = 2CH x 100W & 8Ω = 2 CH x 75W;
70V / 100V = 2CH x 100W & 4Ω = 4CH x 50W;
(reference specifications Notes 1-4); Input Sensitivity 750mV Balanced,
0dBU; Input Impedance Balanced 40K Ohms; Max Input Level channels
1-4, +14dBU, 7dBU inputs 5-8 with Dante™; THD 1% at rated output,
.2% Typical; Frequency Response -3dB 20Hz @ 20kHz (DSP set to flat);
Signal to Noise Ratio -100dB Below Rated Output A Weighted; Crosstalk
>70dB @1kHz; Protection circuits =Thermal, Short, Signal Limiter; Sleep
Mode (Ethernet Active) 3.5W, 12BTU; Standby/ADP mode 14W, 48BTU;
Max Power All CH driven 70.7V/100V (default mode) = 704W, 390BTU.
Dimensions: 1 x RU, 19" W x 1.72" H x 15.5" D. Weight 13.1 lbs.

The power amplifier shall have a front panel power switch and three
states of idle power: Idle Active Mode, Sleep Mode, and Standby Auto
Power Down (APD) Mode. Each mode shall have an LED indicator on
the front panel indicating the power status. When in Sleep Mode, the
Ethernet shall remain active for access to the amplifiers on board UI.

The amplifier shall include convection cooling with dynamic fan assist for
extreme conditions. If the unit is not being used or in Standby mode, the
fan shall not be needed for cooling and shall remain Off until the unit is in
heavy use. As heat is generated in the amplifier during use, the fan shall
activate at a low speed and increase as needed to maintain the amplifier
at safe operating temperature. The amplifiers air flow shall be from rear
to front.

The front panel controls shall consist of power switch that is defeatable
in the UI. Each channel shall have LED indicators for Signal and
Limit / Protect / Mute. The four-channel output operating mode shall be
displayed to the right of the output indicators by 4 multicolor LEDs. These
indicators illustrate if Channels 1 and 2 and 3 and 4 are low impedance
4Ω or 8Ω or 70V / 100V output. Amplifier operation mode settings shall
be completed using the internal DSP UI.

On the rear panel, the amplifier shall have an IEC AC receptacle that
operates from 110V - 120V & 220V - 240V and shall automatically sense
the AC Mains voltage and change voltage settings. A removable AC
Mains fuse shall be provided for protection.

The rear-mounted Input connectors for inputs 1 - 4 shall be individually
removable 3-way 3.5mm Phoenix type connectors that accept balanced
line input signals (+) (–) and (GND) pins and will support unbalanced
signals by connecting the (–) and (GND) pins together. The amplifier
configuration and I/O Routing shall be done in the UI. Any Input shall be
capable of being routed to any Output.

The rear-mounted Output connector shall be a screw terminal block
type for connecting speakers to the amplifier. The recommended wire
to use shall be Class 3 rated,14-gauge wire or lower for speaker wiring.
Amplifier output channel configurations shall be done in the amplifier UI.
The amplifier shall be shipped with two speaker output terminal covers
for safety. Included in the carton with the amplifier shall be eight (8)
spade crimp terminals that accept 12-gauge wire and four (4) security
cover screws (M3 x 8mm). Terminal block screws shall be M4. The
amplifier shall be pre-configured at the factory for four-channel

70.7V / 100V mode.

The amplifier shall have one (1) rear mounted Accessory Card Slot to add
accessory modules. Accessory modules shall make available 4 additional
inputs (for a total of 8) that can be routed to any of the four output
channels. The DPA-DAC4 optional accessory card shall include a
four-channel Dante™ Digital Audio inputs.

The amplifier shall have a rear-mounted Ethernet connector to connect
to a Local Area Network (LAN), computer, or router / switch using a
standard RJ45 cable to access the amplifiers control settings.

When network enabled, the amplifier shall have a UI home page with
Output active meters, Output Configuration indicators and Network
settings. All four amplifier channels shall have an assortment of DSP
tools.

The amplifier shall have four (4) rear-mounted Control Ports to allow
assigned / configured Remote Level or Mute functions to be activated
by external contact closure relay or controlled by voltage. Each Control
Port pin shall be assigned to one function such as Mute or Level, but
not both. Control Port assignment shall be done in the UI Mute, Link,
Port Assignment Page. The factory default assignments for the Amplifier
Control Ports are assign as a Remote Level & shall be as follows:
C1 controls Output 1, C2 controls Output 2, C3 = controls Output 3,
C4 controls Output 4. The Control Ports shall provide +10V and GND
connections for Remote Level Control Port using 10kΩ Linear Taper pots.

The AZA404 amplifier shall be ready to use, out of the box in
four-channel, 70V mode, with no configuration or network connectivity
required, The AZA404 shall be ideally suited to be used with AtlasIED
Atmosphere Signal Processors

The amplifier shall be an AtlasIED AZA404.

©2020 Atlas Sound LP. The Atlas “Circle A”, Soundolier, and Atlas Sound are trademarks of Atlas Sound L.P. IED is a Registered Trademark of Innovative Electronic Designs LLC. All rights reserved.

All other Trademarks are property of their respective owners. No endorsement is implied. Due to continual product development, specifications are subject to change without notice. ATS006181 RevC 8/20

1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.

TELEPHONE: [phone]
[e-mail]

AtlasIED.com