Stoltzen SSA250 Manuel utilisateur

Stoltzen SSA250 Stereo Amplifier

2x 50W Amplifier

Version: SSA250_2016V2

User Manual

Stoltzen SSA250 Amplifier 2x50W

Trademarks

Product model and logo are trademarks.Any other trademarks mentioned in this manual

are acknowledged as the properties of the trademark owner. No part of this publication

may be copied or reproduced without prior written consent.

FCC Statement

This equipment generates, uses and can radiate radio frequency energy and, if not

installed and used in accordance with the instructions, may cause harmful interference

to radio communications. It has been tested and found to comply with the limits for a

Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed

to provide reasonable protection against harmful interference in a commercial

installation.

Operation of this equipment in a residential area is likely to cause interference, in which

case the user at their own expense will be required to take whatever measures may be

necessary to correct the interference

Any changes or modifications not expressly approved by the manufacture would void

the user’s authority to operate the equipment.

Stoltzen SSA250 Amplifier 2x50W

PTN Electronics Limited www.PTN-electronics.com

SAFETY PRECAUTIONS

To insure the best from the product, please read all instructions carefully before using

the device. Save this manual for further reference.

Unpack the equipment carefully and save the original box and packing material for

possible future shipment

Follow basic safety precautions to reduce the risk of fire, electrical shock and injury

to persons.

Do not dismantle the housing or modify the module. It may result in electrical shock

or burn.

Using supplies or parts not meeting the products’ specifications may cause damage,

deterioration or malfunction.

Refer all servicing to qualified service personnel.

To prevent fire or shock hazard, do not expose the unit to rain, moisture or install this

product near water.

Do not put any heavy items on the extension cable in case of extrusion.

Do not remove the housing of the device as opening or removing housing may

expose you to dangerous voltage or other hazards.

Install the device in a place with fine ventilation to avoid damage caused by

overheat.

Keep the module away from liquids.

Spillage into the housing may result in fire, electrical shock, or equipment damage. If

an object or liquid falls or spills on to the housing, unplug the module immediately.

Do not twist or pull by force ends of the optical cable. It can cause malfunction.

Do not use liquid or aerosol cleaners to clean this unit. Always unplug the power to

the device before cleaning.

Unplug the power cord when left unused for a long period of time.

Information on disposal for scrapped devices: do not burn or mix with general

household waste, please treat them as normal electrical wastes.

Stoltzen SSA250 Amplifier 2x50W

PTN Electronics Limited www.PTN-electronics.com

Contents

1. Introduction...............................................................................................................1

1.1 Introduction to Mini Audio Amplifier....................................................................1

1.2 Features ............................................................................................................1

1.3 Package List......................................................................................................1

2. Panel Description .....................................................................................................2

2.1 Front Panel........................................................................................................2

2.2 Rear Panel.........................................................................................................3

3. System Connection ..................................................................................................4

3.1 Usage Precautions............................................................................................4

3.2 System Diagram................................................................................................4

3.3 Connection Procedure.......................................................................................4

3.4 Audio Output Connection...................................................................................5

3.4.1 Stereo output (default): 2x50Watt@8Ohm...............................................5

3.4.2 Mono output: 1x100Watt@4Ohm ............................................................5

3.5 Loop Connection ...............................................................................................6

3.6 Application.........................................................................................................6

4. System Control .........................................................................................................7

4.1 Front Panel Button Control................................................................................7

4.2 IR Control ..........................................................................................................8

4.3 RS232 Control...................................................................................................9

4.3.1 Installation/uninstallation of RS232 Control Software..............................9

4.3.2 Basic Settings..........................................................................................9

4.3.3 RS232 Communication Commands ......................................................11

4.4 TCP/IP Control.................................................................................................12

4.4.1 Control Modes.......................................................................................12

4.4.2 Control via TCP/IP communication software .........................................13

4.4.3 Control via web-based GUI....................................................................14

4.4.4 Port Management..................................................................................16

5. Specification ...........................................................................................................17

6. Panel Drawing.........................................................................................................18

7. Troubleshooting & Maintenance ...........................................................................19

8. After-sales Service..................................................................................................20

Stoltzen SSA250 Amplifier 2x50W

1. Introduction

1.1 Introduction to Mini Audio Amplifier

Mini Audio Amplifier is a compact-size digital amplifier (Class-D) with 3 inputs (1 L+R

stereo audio, 1 analog audio, 1 optical fiber audio). It features switchable stereo or

mono output, and boasts complete EQ adjustment and intuitive work status display,

making it an ideal addition to a classroom or conference room application.

1.2 Features

3 audio inputs: 1 L+R stereo, 1 analog, 1 optical fiber

Switchable stereo / mono output

Complete EQ management: including LINE, BASS, TREBLE

Easy volume adjustment via a rotary knob

Audio loop output

Intuitive LED indicators for input source, control and volume setting

Controllable via RS232, IR, TCP/IP (optional)

Web-based GUI

Power off memory

1.3 Package List

1 x Mini Audio Amplifier

2 x Detachable Mounting Ears

4 x Screws

2 x Pluggable Terminal Blocks (1 3-pin& 1 4-pin)

1 x IR Remote

1 x Power Adapter (DC 33V 4A)

1 x User manual

1 x IR Receiver (5V, without carrier)

Please confirm if the product and the accessories are all included, if not, please

contact with the dealers.

Stoltzen SSA250 Amplifier 2x50W

2. Panel Description

2.1 Front Panel

Figure 2- 1 Front Panel of Mini Audio Amplifier

No.

Name

Description

①

Power LED

Illuminate red when powered on

②

Input Selection

Press to select any one of the 3 inputs, indicators will light

accordingly

Input 1~3 corresponds to audio sources connected to the 3

audio input ports separately;

1: L+R stereo audio

2: 3.5mm analog audio

3: optical audio

③

Control

Press to select the audio to be controlled, including LINE,

BASS, TREBLE

④

Volume Knob

Press to mute/unmute the audio

Note: after pressed the button to mute the audio, except

pressing it again to restore the audio at the same volume,

users can rotate the knob to enable audio output at

respective volume.

Rotate the knob to adjust volume, volume bars will change

accordingly

Clockwise Rotation: Volume up

Anticlockwise Rotation: Volume down

⑤

Volume Bars

Indicate real-time volume setting, 10 bars in total, no volume

bar will be lighted when the audio is muted

Operation Format: “INPUT SEL”+ “CONTROL”+ “Volume Knob”

Example: To adjust bass audio of input 3, select input 3 -> choose bass -> adjust the

volume knob.

Stoltzen SSA250 Amplifier 2x50W

2.2 Rear Panel

Figure 2- 2 Rear Panel of Mini Audio Amplifier

No.

Name

Description

①

CONTROL

TCP/IP: (optional) connect with control device to enable IP

control via web-based GUI& TCP/IP communication

software;

Indicators will blink when connected to control device

and communicated normally

RS232: connect with control device to enable serial control

IR IN: connect with IR receiver to collect infrade signal

Channel Switcher: dial to STEREO or MONO to enable

corresponding output mode

②

INPUTS

Audio inputs area, 3 audio inputs in total, including 1 stereo

audio, 1 analog audio and 1 optical audio

③

OUTPUTS

LOOP: analog audio loop output port, available only when input

signal is L+R stereo audio

Audio Output: including stereo audio (2x50W@8Ω), or mono

output (1x100W@4Ω)

④

DC 33V

Insert DC 33V 4A power adapter here

⑤

GND

Connect to grounding

Dial the Channel Switcher to demand status before connecting output device.

Once connected, do not try to change the status while it’s working.

Stoltzen SSA250 Amplifier 2x50W

3. System Connection

3.1 Usage Precautions

1) System should be installed in a clean environment and has a prop temperature and

humidity.

2) All of the power switches, plugs, sockets and power cords should be insulated and

safety.

3) All devices should be connected before power on.

4) Use straight-thru Cat5e/Cat6 with TIA/EIA T568B terminations to connect TCP/IP

port.

3.2 System Diagram

Figure 3- 1 System Diagram

3.3 Connection Procedure

Step1.Connect audio sources (such as Blue-ray DVD) to INPUT ports of the device with

audio cables;

Step2.Dial the Channel Switcher to the right status, and connect audio output devices

(such as speakers) to audio output port accordingly (Specified in 3.4 Audio

Output Connection).

Step3.(optional) Insert an IR receiver (5V, without carrier) to IR IN to enable IR control.

Step4.(optional) Connect a control device (e.g. a PC) to RS232 port to enable serial

control.

Step5.(optional) Connect a control device (e.g. a PC) to TCP/IP port to enable IP

control.

Step6.Plug DC 33V power adaptor to the power port of Mini Audio Amplifier.

Stoltzen SSA250 Amplifier 2x50W

3.4 Audio Output Connection

3.4.1 Stereo output (default): 2x50Watt@8Ohm

Dial the switcher to STEREO to enable 2 50Watt@8Ohm stereo output mode. Connect

the amplifier regularly (as shown in the following figure):

Figure 3- 2 Stereo Output Connection

3.4.2 Mono output: 1x100Watt@4Ohm

To enable mono 1x100Watt@4Ohm output, dial the switcher to MONO, and connect

output devices as the figure below:

Figure 3- 3 Mono Output Connection

Stoltzen SSA250 Amplifier 2x50W

3.5 Loop Connection

Mini Audio Amplifier boasts a LOOP port for audio signal loop output, max 255 units can

be looped within the same operation system. Connect Mini Audio Amplifier like this:

Figure 3- 4 Loop Connection

Then audio signal sent to the first Mini Audio Amplifier is cascaded to other connected

Mini Audio Amplifier, which enables multiple Mini Audio Amplifier share the same audio

source.



1. Audio loop output is available only when the 1st Mini Audio Amplifier select input 1/2

as source.

2. Audio control operations are not available to looped audio signal.

3.6 Application

Mini Audio Amplifier has a good application in various occasions, such as computer

realm, monitoring, big screen displaying, meeting room, education and bank & securities

institution etc.

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