PROCELLA AUDIO DA03-DSP Manual de usuario

DA03-DSP Power Amplier

User Manual V1.0

https://procella.audio

contact@procella.audio

Technical and Safety Notices

Please read the following important technical,

safety and environmental notices before

installing and using your amplier.

Technical Notices

Your Procella power amplier has been designed to provide a

high level of performance when properly installed, congured and

operated. In order to ensure this performance and maintain the

product warranty, please note and follow these instructions.

1. These ampliers are Class-I products and must be installed

with a mains cable with a ground connnection.

2. These ampliers should always be installed by competent and

qualied personnel. Amplier damage or failure caused by

installation or operational errors may invalidate the warranty

or guarantees of performance.These ampliers are not suitable

for use in locations where they may be accessible to minors.

3. Do not install the amplier in locations where they may be

accessible to children.

4. These ampliers should only be used within professionally

installed and congured audio systems utilizing ancillary

components of commensurate quality. Any damage to, or

unsatisfactory performance from, these ampliers caused by

inadequate or failed input or output ancillary equipment may

invalidate support, warranty or guarantees of performance.

5. These ampliers are intended to be installed and operated

indoor in a controlled environment within an ambient

temperature range of 0°C to 40°C. These ampliers are

not intended for use above 2000 meters above sea level.

Ampliers installed or operated in environments outside

these limits may invalidate support, warranty or guarantees of

performance.

Safety and Environmental Notices

Note:

The intent of the lightning ash with

arrowhead symbol in a triangle is to alert the user

to the presence of uninsulated “dangerous” voltage

within the product’s enclosure that may be of

sucient magnitude to constitute a risk of electric

shock to humans.

Note:

The intent of the exclamation point within

an equilateral triangle is to alert the user to the

presence of important safety, and operating and

maintenance instructions in this manual.

WARNING! TO PREVENT FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE

THIS EQUIPMENT TO RAIN OR MOISTURE.

Ambient Temperature Note: If this equipment is operated in

a conned or multiple rack installation, the internal ambient

operating temperature may exceed the external ambient

temperature. It is important to ensure in these circumstances that

the published maximum operating temperature for the equipment

is not exceeded.

Reduced Air Flow: Ensure that rack or other closed installation

does not restrict the cooling airow required for safe and reliable

operation of the equipment.

Technical and Safety Notices

Important Safety Instructions

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Do not submerge the equipment in water or liquids.

7. Do not use any aerosol spray, cleaner, disinfectant or fumigant

on, near or into the equipment.

8. Clean only with a dry cloth.

9. Do not block any ventilation opening. Install in accordance

with the manufacturer’s instructions.

10. Do not install near any heat sources such as radiators, heat

registers, stoves, or other apparatus (including ampliers) that

produce heat.

11. To reduce the risk of electrical shock, the power cord shall be

connected to a mains socket outlet with a protective earthing

connection.

12. Do not defeat the safety purpose of the polarized or

grounding type plug.

13. Protect the power cord from being walked on or pinched

particularly at plugs, convenience receptacles, and the point

where they exit from the apparatus.

14. Do not unplug the unit by pulling on the cord, use the plug.

15. Only use attachments/accessories specied by the

manufacturer.

16. Unplug this apparatus during lightning storms or when

unused for long periods of time.

17. Refer all servicing to qualied service personnel. Servicing is

required when the apparatus has been damaged in any way,

such as damage to the power supply cord or plug; liquid has

been spilled or objects have fallen into the apparatus; the

apparatus has been exposed to rain or moisture; or does not

operate normally.

18. The appliance coupler, or the AC Mains plug, is the AC mains

disconnect device and shall remain readily accessible after

installation.

19. Adhere to all applicable, local codes.

20. Consult a your dealer or Procella Audio when any doubt or

questions arise regarding a physical equipment installation.

Environmental Statement

This product complies with international directives,

including but not limited to the Restriction of

Hazardous Substances (RoHS) in electrical and

electronic equipment, the Registration, Evaluation,

Authorization and restriction of Chemicals (REACH)

and the disposal of Waste Electrical and Electronic

Equipment (WEEE). Consult your local waste disposal authority for

guidance on how properly to recycle or dispose of this product.

Overview

1. Introduction

The Procella DA03-DSP power amplier has been designed to

provide congurable, consistent and reliable high performance

audio power amplication for residential and commercial

applications. Please read this manual fully before installing and

using the amplier. If you have any questions regarding amplier

conguration, installation or operation please contact us.

Following this introduction, the manual is divided into sections

covering the following topics:

2. Overview

3. Carton Contents

4. Installation

5. Connections

6. Operating Instructions

7. Specications

2. Amplier Overview

The Procella Audio DA03-DSP amplier is a 1U format power

amplier that can drive conventional low impedance 4Ω to 8Ω

loudspeakers. The amplier supports constant resistance and

constant voltage output, provides built-in DSP, has built-in switch

capability, supports UDP protocol, and oers amplier monitoring

through a network cable. The DA03-DSP adopts the multi loop

regulation technology independently developed by the company

and has excellent technical performance and stability, with greater

than 90% eciency, due to its proprietary power amplication

technology. The switching power supply adopts active Power Factor

Correction and soft switching technology, and is optimized for

audio amplication.

Bridge pairs of channels (1+2 and/or 3+4) to increase power by a

factor of four.

The DA03- DSP output channel count and power output is as

follow:

Output power 4x 280W at 8 ohms

4x 500W at 4 ohms

Output power (bridged) 2x 1.050W at 8 ohms

2.1 Software

The Procella DSP controller software is available in the download

section of our website: https://procella.audio/downloads

2.2 Dimensions

The DA03-DSP amplier is primarily intended for installation in an

equipment rack. It is fan-cooled and must be installed such that

ventilation apertures are not obstructed. The menu and preset

selection is done on the front of the amplier by using the knob

and the display for information.

WxHxD 483 x 45 x 370 mm (1U)

19” x 1.7” x 14.6”

2.3 Firmware

This manual describes the features, functions and user interface of

the DA03-DSP amplier running:

Firmware Version 1.1.7.

Updates to the rmware will be announced on our website.

2.4 DSP functions

• The input delay of each channel is 30ms, the output delay is

20ms, and the step is 0.01ms

• Audio input level matching + - 18db

• 4x4 audio route mixing, mixing ratio - 80dB ~ + 18db

• 8-segment input parametric EQ, 5-segment output parametric

EQ, high-low pass lter

• Support FIR lters of order 512 and below

• Volume, mute, phase adjustment, mode selection

• Output average, peak voltage limiter

• Parameter saving / retrieval between machines

• Speaker parameter conguration

• User / Debug / Factory permission setting

3. Carton Contents

The DA03-DSP amplier is shipped in a cardboard carton

containing the amplier unit, a mains cable appropriate for the

sales territory and a document pack.

The full contents are listed below:

• Procella DA03-DSP amplier

• Mains power cable

• Adhesive rubber feet x 4

• Document pack

4. Installation

The installation and equipment rack should be congured to

provide appropriate ventilation airow space around the front and

rear of the amplier as illustrated Diagram 1b. A ventilation airow

space of at least 25 mm (1 inch) should be maintained along at

least one side of the amplier at all times. Ventilation apertures

are located on the rear panel of the amplier and must not be

obstructed. It is important to retain at least 80 mm (3.1 inch) free

space for airow behind the amplier rear panel.

The amplier works in a 0°C~40 environment. Airow goes from

the front of the amplier (ventilation holes) through the rear panel

to ensure eective heat dissipation. Please ensure that the air can

ow from the front to rear panels.

Note:

If the internal temperature exceeds 85 degrees C, the output

voltage will be reduced, to avoid excessive temperature rise. If the

temperature continues to rise to 90 degrees C, the power amplier

will shut down. Once the temperature has dropped to a safe

temperature, the amplier will restart automatically.

Maintenance

After operating for some time, if the airow and cooling become

less eective, please turn o the amplier. Remove and clean the

dust lter and clean this lter.

Installation

Diagram 1b

5. Connections

Input connection to the DA03-DSP is through balanced XLR

connectors. Output connection is through heavy duty binding

posts. An RJ45 Ethernet network connection is also provided.

The DA03-DSP amplier has a mains power switch and is

operational as soon as mains power is connected and the switch is

switched to the On position. No standby function is available, and

remote and/ or switching On/O remotely.

Balanced analog input

Unbalanced analog input

Inputs / Outputs

Two wire stereo or mono speakers to the output sockets.

Two wire Bridge speakers to the Output sockets:

5.1 Inputs / Outputs

Use only shielded cables. We strongly recommend balanced

connections for the lowest noise oor.

Note:

If a single-ended connection must be used, the shortest

possible cable is preferred to minimize potential noise

Before changing any connections, please switch the amplier o.

5.3 Operation

1. Cooling Vents: Front-to-rear forced airow through foam dust

lter.

2. LCD Display Screen

3. Control Button: turn for previous and next, push for enter.

4. Power Switch: ON / OFF. It is ON to press “I” down.

5. Power cord: Conguration 3×1.5mm2 cord according to power.

6. Fans: Provide front-to-back forced airow for cooling.

7. Output sockets.

8. Ethernet connection

9. XLR inputs

5.2 Attention

In order to achieve the best performance and the highest reliability,

please pay attention to the following:

1. Before use, you need to congure the amplier inputs and

outputs.

2. Be careful when connecting, selecting the input signal and

controlling the output level. This can avoid unnecessary issues.

3. Do not connect the ground wire of the input and output cable

together. This will form a ground loop and cause oscillations

4. Without authorization, modifying the circuit will be dangerous,

and the agents will not provide any services.

5. If the SIG LED ashes yellow continuously, shut the amplier

down.

6. Do not use the amplier under the condition of lower than

the nominal load. Too low load may cause amplier output

protection and premature clipping, damage the speaker.

7. When the amplier is turned on, the output port may be fatal.

Important note: our company is not responsible for the damage

caused by excessive use.

6. Menu structure of screen display

Operating instructions

• Turn the power on and the LCD screen will display the logo.

• After a few seconds the main screen will be automatically displayed.

Opening screen

• The volume/mute function of this amplier can be controlled

• Display the volume / output level / output clipping / output compression of each channel.

• Display the machine operating temperature, network status and current selected preset.

Main screen

The following functions can be controlled through the main screen.

Press the rotary encoder to enter the Operation Menu:

1. Preset

Current:V21 (=example) Current is the active preset

Presets by Procella Audio

total of 24 preset modes available

See seperate sheet for the preset list or check our website: http://procella.audio/downloads

2. Volume

Volume The volume of each output can be controlled individuatly

Mute The mute function is available for each output

Noise Gate The noise gate switch of each output can be controlled individually

Back

Operating instructions

6.1 Menu

3. Amp Mode

Bridge Bridge two output channels (1+2 or/and 3+4) Low-Z

Hi-Z 70V

Hi-Z 100V

Back

4. Settings

Standby Normal/Standby

Contrast 30-100 Screen contrast 30-100 / default 75

Backlight: Always/Saving/O Saving = close after 2 minutes

IP Mode Auto-DHCP/User-set DHCP or maual settings

Amp-IP 192.168.1.10 Can be changed in manual mode

Factory Reset

5. Monitor

V Output voltage of each channel

I Output current of each channel

Temp Operating temperature of each power module

State Whether all channels are protected

6. Info

Model Power amplier model name

Run time Total working time

Communication Communication interface type

Sn Factory serial numberd

FW Firmware version

Back

Operating instructions

Model DA03-DSP

Output Power

(THD+ N=1%, 1kHz continue sine wave,

all channel driving)

4 x 280W / 4x 500W

Output Power @ 4/ 8Ω

(Bridged)

2x 1.050W at 8 ohms

Max. Output current 25A peak

Dimensions (W xH X D)

483 x 45 x 370 mm

(19 x 1.7 x 14.6 in)

Weight 9.0kg (19,8 lbs)

DSP for all channels

Level

Parametric eq

Delay,

matrix

limiter

FIR lter

Signal To Noise-Ratio >104 dB (default gain, A-weighted, 20 Hz-20 kHz, 8 Ω)

THD+N (typical) <1% (1kHz continue sine wave, all channels driving)

Frequency Response 20Hz-20kHz (+0/-0.5dB (8Ω load, 3dB below rated power)

Protection Circuits

Short circuit protection,

DC protection

Limiter

Under voltage protection

Over temperature protection

Overload protection

Power Supply Global Power Supply with APFC (Active Power Factor Correction)

Operating Voltage/Frequency Universal Mains, 90V-260V, 50Hz-60Hz

Power Consumption

All channels driven

idle 40W, 1/8 full power 195W

7. Technical Specications

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