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Summary of Contents for Stoltzen SSA250
- Page 1 User Manual Stoltzen SSA250 Stereo Amplifier 2x 50W Amplifier All Rights Reserved Version: SSA250_2016V2...
- Page 2 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.
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Page 3: Safety Precautions
Stoltzen SSA250 Amplifier 2x50W 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 ... -
Page 4: Table Of Contents
Stoltzen SSA250 Amplifier 2x50W 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. -
Page 5: Introduction
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. -
Page 6: Panel Description
Stoltzen SSA250 Amplifier 2x50W 2. Panel Description 2.1 Front Panel Figure 2- 1 Front Panel of Mini Audio Amplifier Name Description Power LED Illuminate red when powered on ① Input Selection Press to select any one of the 3 inputs, indicators will light... -
Page 7: Rear Panel
Stoltzen SSA250 Amplifier 2x50W 2.2 Rear Panel Figure 2- 2 Rear Panel of Mini Audio Amplifier Name Description 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 ①... -
Page 8: System Connection
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. -
Page 9: Audio Output Connection
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... -
Page 10: Loop 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... -
Page 11: System Control
Stoltzen SSA250 Amplifier 2x50W 4. System Control 4.1 Front Panel Button Control Front panel buttons provides direct audio control including input source selection and audio effect adjustment. Figure 4- 1 Front Panel Buttons Operation Format: Input Sel + Control + Volume Knob (indicators and volume bar will display real-time operation) ... -
Page 12: Ir Control
Stoltzen SSA250 Amplifier 2x50W 4.2 IR Control Connect an IR receiver (5V, without carrier) to IR IN port on the rear panel, users are able to control the amplifier by the included IR remote (see as below): Input Selection Mute... -
Page 13: Rs232 Control
Stoltzen SSA250 Amplifier 2x50W 4.3 RS232 Control Mini Audio Amplifier boasts a 3-pin pluggable terminal block for serial control. The definition of its pins is listed in the table below. Function Unused Transmit Receive Unused Ground Unused Unused Unused Unused Connect Mini Audio Amplifier to the control device (e.g. - Page 14 Stoltzen SSA250 Amplifier 2x50W Parameter Configuration area Parameter Configuration area Monitoring area, indicates Monitoring area, indicates whether the command whether the command sent works. sent works. Command Sending area Command Sending area Please set the parameters of COM number, bound rate, data bit, stop bit and the parity...
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Page 15: Rs232 Communication Commands
Stoltzen SSA250 Amplifier 2x50W 4.3.3 RS232 Communication Commands 1) Case-sensitive. 2) “[“, “]” in the commands are only for easy recognition and not necessary in real operations. Other symbols including “.” “%” are parts of the commands. 3) Feedbacks listed in the column “Feedback” are only for reference, feedbacks may vary according to different operations. -
Page 16: Tcp/Ip Control
Stoltzen SSA250 Amplifier 2x50W 9[x][x]% Preset the treble level, [xx] can be 00~10, Treble of LINE: 7 11 degrees in total. GetIP; Get the IP of the device IP: 192.168.0.178 4.4 TCP/IP Control Mini Audio Amplifier boasts option TCP/IP port for IP control. -
Page 17: Control Via Tcp/Ip Communication Software
Stoltzen SSA250 Amplifier 2x50W Follow these steps to connect the devices: Step1. Connect the TCP/IP port of the Mini Audio Amplifier to Ethernet port of PC with straight-thru CAT5e/6. Step2. Set the PC’s network segment to the same as the Mini Audio Amplifier’s. -
Page 18: Control Via Web-Based Gui
Stoltzen SSA250 Amplifier 2x50W Amplifier, as below: Enter your command here. Commands are the same with RS232 commands listed in 4.3.3 RS232 Communication Commands Here you will receive the feedback when a command is sent. 4.4.3 Control via web-based GUI Mini Audio Amplifier provides with built-in GUI for convenient TCP/IP control. - Page 19 Stoltzen SSA250 Amplifier 2x50W Click LOGIN, it will show the audio selection interface as shown below: Audio Selection: Figure 4- 4 Network Control In this interface, you can: Select input Mute/ Unmute LINE/ BASS/ TREBLE control: drag the volume dot to turn down/ up the corresponding volume ...
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Page 20: Port Management
Stoltzen SSA250 Amplifier 2x50W DHCP: IP Address, subnet mask and gateway are fixed in this mode. Static IP: set IP Address, subnet mask and gateway manually. Make sure the IP is different with control device’s. Modify password: type in new password in the column, max at 5 numbers/ letters ... -
Page 21: Specification
Stoltzen SSA250 Amplifier 2x50W 5. Specification Input Output 1x L+R stereo audio 1x LOOP Input Signal 1x 3.5mm analog audio Output Signal 2x Stereo audio/ 1 Mono 1x Optical Fiber audio audio 2x RCA 1x 3.5mm jack Connectors 1x 3.5mm TRS plug Connectors 1x 4-pin 5.08mm... -
Page 22: Panel Drawing
Stoltzen SSA250 Amplifier 2x50W 6. Panel Drawing... -
Page 23: Troubleshooting & Maintenance
Stoltzen SSA250 Amplifier 2x50W 7. Troubleshooting & Maintenance Problem Possible Cause Solution Loose or broken connection at Reconnect the devices. input/ output end Insert source to the port or No connected source at the change other input chosen input channel channels. -
Page 24: After-Sales Service
Stoltzen SSA250 Amplifier 2x50W 8. After-sales Service If there appear some problems when running the device, please check and deal with the problems reference to this user manual. 1) Product Limited Warranty: We warrant that our products will be free from defects in materials and workmanship for three years, which starts from the first day the product leaves warehouse (check the SN mark on the product).
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