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Summary of Contents for TechLogix Network TL-A8O-50W
- Page 1 User Manual TL-A8O-50W 50 Watt Power Amplifier All Rights Reserved Version: TL-A8O-50W_161027...
- Page 2 TL-A8O-50W User Manual Preface Read this user manual carefully before using this product. Pictures shown in this manual is for reference only, different model and specifications are subject to real product. This manual is only for operation instruction only, not for any maintenance usage. 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. www.tlnetworx.com...
- Page 3 TL-A8O-50W User Manual SAFETY PRECAUTIONS To insure the best from the product, please read all instructions carefully before using the device. Save this manual for further reference. l Unpack the equipment carefully and save the original box and packing material for possible future shipment l Follow basic safety precautions to reduce the risk of fire, electrical shock and injury to persons. l Do not dismantle the housing or modify the module. It may result in electrical shock or burn. l Using supplies or parts not meeting the products’ specifications may cause damage, deterioration or malfunction. l Refer all servicing to qualified service personnel. l To prevent fire or shock hazard, do not expose the unit to rain, moisture or install this product near water. l Do not put any heavy items on the extension cable in case of extrusion. l Do not remove the housing of the device as opening or removing housing may expose you to dangerous voltage or other hazards. l Install the device in a place with fine ventilation to avoid damage caused by overheat. l Keep the module away from liquids. l 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. l Do not twist or pull by force ends of the optical cable. It can cause malfunction. l Do not use liquid or aerosol cleaners to clean this unit. Always unplug the power to the device before cleaning. l Unplug the power cord when left unused for a long period of time. l Information on disposal for scrapped devices: do not burn or mix with general household waste, please treat them as normal electrical wastes.
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Page 4: Table Of Contents
TL-A8O-50W User Manual Table of Contents 1. Introduction ........................1 1.1 Introduction to TL-A8O-50W .................. 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 .............. - Page 5 TL-A8O-50W User Manual 7. Troubleshooting & Maintenance ..................20 8. After-sales Service ......................21 www.tlnetworx.com...
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Page 6: Introduction
TL-A8O-50W User Manual 1. Introduction 1.1 Introduction to TL-A8O-50W TL-A8O-50W is a 50 Watt Power Amplifier (Class-D) with low-impedance output (8 ohms). It has [2] analog stereo inputs and [1] digital input. It features switchable stereo or mono output modes. It includes powerful functions including EQ and a robust list of control options. 1.2 Features l Switchable between stereo (8 ohm) and mono (4 ohm) output. l Stereo audio output at 50 watts. Mono audio output at 100 watts. l Two stereo audio inputs and one digital audio input, switchable by button, IR remote, RS232, & TCP/IP. l Volume/Bass/Treble controllable by rotary knob, IR remote, RS232, & TCP/IP. l Audio loop output. l Intuitive LED indicators for input source, control and volume setting. l Web-based GUI. l Power off memory. 1.3 Package List ü 1 x TL-A8O-50W ü 2 x Detachable Mounting Ears ü 4 x Screws ü 2 x Pluggable Terminal Blocks (1 3-pin& 1 4-pin) ü 1 x IR Remote ü 1 x Power Adapter (DC 33V 4A) ü... -
Page 7: Panel Description
TL-A8O-50W User Manual 2. Panel Description 2.1 Front Panel LINE BASS INPUT SEL CONTROL VOLUME Figure 2- 1 Front Panel No. Name Description ① Power LED Turns red when power is connected ② Input Selection Audio source selection Control Selector for adjusting the volume of the Line or the level of Bass ③ and Treble with this button Volume Knob l Press to mute/unmute the audio l Rotate the knob to adjust volume; volume bars will change ④ accordingly Ø Clockwise Rotation: Volume up Ø Anticlockwise Rotation: Volume down Volume Bars Indicate real-time volume setting, 10 bars in total. No volume LEDs ⑤... -
Page 8: Rear Panel
TL-A8O-50W User Manual 2.2 Rear Panel 1x100W MONO 2x50W Ω STEREO TCP/IP RS232 IR IN AUDIO OPTICAL LOOP DC 33V Figure 2- 2 Rear Panel No. Name Description TCP/IP : 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 communicating normally. RS232 : 3-pole captive screw connector for serial control, it can be ① CONTROL connected with PC (Use a 3-pole captive to 9 pin female D connector and serial control software) to control TL-A8O-50W IR IN : To connect with the IR receiver, works with the IR remote. Output Switch : Set to STEREO or MONO to enable corresponding output mode Audio inputs area, 3 audio inputs in total, including 1 stereo audio, ②... -
Page 9: System Connection
3) Use straight-thru Cat5e/Cat6 with TIA/EIA T568B terminations to connect TCP/IP port. 3.2 System Diagram IR Remote IR Receiver Speaker Laptop IR Signal: AUDIO Signal: Control Signal: Figure 3- 1 System Diagram 3.3 Connection Procedure Step1. Connect audio sources to the INPUT ports of the device with quality audio cables. Step2. Set the Output Switch to the desired mode and connect the speakers to audio output port (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 TL-A8O-50W. www.tlnetworx.com... -
Page 10: Audio Output Connection
TL-A8O-50W User Manual 3.4 Audio Output Connection 3.4.1 Stereo output (default): 2 x 50 Watts at 8 Ohms To enable stereo 2 x 50 Watts at 8 Ohms output, set the output switch to STEREO and connect the speakers as shown in the figure below. Figure 3- 2 Stereo Output Connection 3.4.2 Mono output: 1 x 100 Watts at 4 Ohms To enable mono 1 x 100 Watts at 4 Ohms output, set the output switch to MONO and connect the speakers as shown in the figure below. Figure 3- 3 Mono Output Connection www.tlnetworx.com... -
Page 11: Loop Connection
TL-A8O-50W User Manual 3.5 Loop Connection TL-A8O-50W features an analog LOOP port for audio signal loop output. A maximum of 255 units can be looped within the same system. Connect the TL-A8O-50W as shown in the figure below. Speaker Speaker Speaker Laptop Figure 3- 4 Loop Connection The audio signal sent to the first TL-A8O-50W is cascaded to another connected TL-A8O-50W, which enables multiple TL-A8O-50W share the same audio source. & 1. Audio loop output is available only when the first TL-A8O-50W is using an analog audio input as the source. 2. Audio control operations, such as EQ and mute, are not available to the looped audio signal. 3.6 Application TL-A8O-50W can be used in different applications, such as classrooms, small meeting rooms, lecture halls, bars and hotels etc. www.tlnetworx.com... -
Page 12: System Control
TL-A8O-50W User Manual 4. System Control 4.1 Front Panel Button Control Front panel buttons provide 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) Input selection (area ①): Ø Press INPUT SEL to cycle through the three inputs. The corresponding LED will light to indicate the selection. The input number selection and the associated input are: 1: dual-mono RCA input 2: 3.5mm jack input 3: digital fiber audio input Control (EQ management) (area ②): Ø The LINE volume, bass and treble will be selected by the buttons, and controlled by the volume knob. Ø Volume Knob (area ③): Clockwise Rotation: Volume up Counter-clockwise Rotation: Volume down Press: Mute and unmute. About the Volume Bar (area ④): The volume bar indicates a real-time volume setting with 10 bars in total. The volume bar functions will change based on the current Control selection. LINE: Line volume can be 0~60 where one volume bar will light when the volume is turned up by 6. BASS: bass volume can be 0~10 TREBLE: treble volume can be 0~10... -
Page 13: Ir Control
TL-A8O-50W User Manual 4.2 IR Control Connect the included 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 Unmute Volume Control Including LINE, BASS and TREBLE volume adjustment Figure 4- 2 IR Remote www.tlnetworx.com... -
Page 14: Rs232 Control
Function N/u Unused Transmit Receive N/u Unused Gnd Ground N/u Unused N/u Unused N/u Unused N/u Unused When the amplifier connects to the COM port of a computer with control software, users can control it by that computer. To control the amplifier, users should use a 3-pole male captive screw to 9-pin HD female connector and use the CommWatch software published on the www.tlnetworx.com. 4.3.1 Installation/uninstallation of RS232 Control Software Installation: Copy the control software file to the computer connected with TL-A8O-50W. Uninstallation: Delete all the control software files in corresponding file path. 4.3.2 Basic Settings Ø Connect the input source devices and the output device according to the system diagram. Ø Copy the RS232 control software to the computer, and then connect the RS232 port of the computer to the TL-A8O-50W. Ø Double-click the EXE program to execute the software. The icon is shown below: With the control software, we can easily switch the input channel, mute the output, check the status, and adjust the volume etc. Please refer the details in RS232 Communication Commands. The primary functions of the software are highlighted below. www.tlnetworx.com... - Page 15 TL-A8O-50W User Manual Parameter Configuration area Monitoring area, indicates Monitoring area, indicates whether the command sent whether the command works. sent works. Command Sending area Command Sending area Please set the parameters of COM number, baud rate, data bit, stop bit and the parity bit correctly, only then will you be able to send command in Command Sending Area. www.tlnetworx.com...
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Page 16: Rs232 Communication Commands
TL-A8O-50W User Manual 4.3.3 RS232 Communication Commands Communication protocol: Baud rate: 9600; Data bit: 8; Stop bit: 1; Parity bit: none. Command Description Feedback 1A1. Switch to input 1 A: 1 -> 1 2A1. Switch to input 2 A: 2 -> 1 3A1. Switch to input 3 A: 3 -> 1 0A0. Mute Audio Line out Mute Audio 0A1. Unmute Audio Line out Unmute Audio -> Volume: 600% Inquire present working status Bass: Treble: 0 601% Turn up Line volume by 1 Volume of LINE: 51 602% Turn down Line volume by 1 Volume of LINE: 51 Turn up Bass volume by 1 603% Bass of LINE: 4 Turn down Bass volume by 1 604%... -
Page 17: Tcp/Ip Control
TL-A8O-50W User Manual 3. Any dot “.” after the letters is part of the commands. 4.4 TCP/IP Control TL-A8O-50W provides a TCP/IP port for IP control. Default settings: IP: 192.168.0.178; Subnet Mast: 255.255.255.0; Gateway: 192.168.0.1; Port: 4001. IP and gateway can be changed, but the port cannot be changed. Connect the Ethernet port of control device to the TCP/IP port of TL-A8O-50W, and set same network segment for the two devices. Users are able to control the device via a web-based GUI or TCP/IP communication software. 4.4.1 Control Modes TL-A8O-50W can be controlled by PC without Ethernet access or PC(s) within a LAN. l Controlled by PC without Ethernet access Connect a computer to the TCP/IP port of the TL-A8O-50W and set its network segment to the same as the TL-A8O-50W. Same network segment as the TL-A8O-50W l Controlled by PC(s) in LAN Connect TL-A8O-50W, a router and several PCs to setup a LAN (as shown in the following figure). Set the network segment of TL-A8O-50W to the same as the router’s, then PCs within the LAN are able to control TL-A8O-50W. www.tlnetworx.com... -
Page 18: Control Via Tcp/Ip Communication Software
TL-A8O-50W User Manual Follow these steps to connect the devices: Step1. Connect the TCP/IP port of the TL-A8O-50W to Ethernet port of PC with straight-thru CAT5e/6. Step2. Set the PC’s network segment to the same as the TL-A8O-50W’s. Step3. Set the TL-A8O-50W’s network segment to the same as the router. Step4. Set the PC’s network segment to the original ones. Step5. Connect the TL-A8O-50W and PC(s) to the router. PC(s) within the LAN is able to control the TL-A8O-50W asynchronously. 4.4.2 Control via TCP/IP communication software 1) Connect a computer and TL-A8O-50W to the same network. Open TCP/IP communication software and create a connection. Enter the IP address and port of TL-A8O-50W (default IP: 192.168.0.178, port:4001): www.tlnetworx.com... - Page 19 TL-A8O-50W User Manual 2) After connected successfully, we can enter commands to control the TL-A8O-50W, 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. www.tlnetworx.com...
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Page 20: Control Via Web-Based Gui
TL-A8O-50W User Manual 4.4.3 Control via web-based GUI TL-A8O-50W provides with built-in GUI for convenient TCP/IP control. GUI allows users to interact with TL-A8O-50W through graphical icons and visual indicators. Type 192.168.0.178 (default IP, changeable via GUI) in your browser, it will enter the log-in interface shown as below: Figure 4- 3 Log-in interface GUI interfaces can be displayed in Chinese/ English, selectable by clicking 中文/ ENGLISH. Type the right name and password in relative column : Name : admin; Password : admin (default setting, changeable via GUI) Click LOGIN , it will show the audio selection interface as shown below: Audio Selection: Figure 4- 4 Network Control www.tlnetworx.com... - Page 21 TL-A8O-50W User Manual In this interface, you can: Select input Ø Mute/ Unmute Ø LINE/ BASS/ TREBLE control: drag the volume dot to turn down/ up the corresponding Ø volume Switch to network configuration interface by clicking NETWORK Ø Network Configuration: Figure 4- 5 Audio Selection In this interface, you can: Configure network settings: Ø IP: support DHCP and Static IP, choose demanded state by clicking the button 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 Ø Inquire software version Ø Switch to audio selection interface by clicking AUDIO SEL Ø If there is any modification in this interface, press Save to restore the settings, or press Cancel to withdraw. Click AUDIO SEL to return to NETWORK interface. & Clear the cache of the browser beforehand to ensure reliable GUI operation. www.tlnetworx.com...
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Page 22: Port Management
TL-A8O-50W User Manual 4.4.4 Port Management Type the designed website 192.168.0.178:100 (Default, changeable via GUI) in your browser. Enter correct username and password (same with GUI name and password) to log in the WebServer: Here is the main configuration interface of the WebServer: In this interface, you can: Change website display language Ø Modify network settings: Go to Internet Settings -> WAN Ø Upgrade TCP/IP module: Go to Administration -> Upload Program -> Select program file -> Ø Start upgrading Reboot the device after upgrading. www.tlnetworx.com... -
Page 23: Specification
TL-A8O-50W User Manual 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 connector 1x SPDIF Input Damping >10KΩ >100 impedance coefficient Control 1x RS232 (3-pin pluggable terminal block) Control Ports 1x IR IN (3.5mm female) 1x TCP/IP (RJ45 female, optional) Panel Control Front panel buttons& rear panel switcher General SNR 80dB THD+ Noise 1%@1KHz 50W Damping Separation 75dB 20Hz～20KHz... -
Page 24: Panel Drawing
TL-A8O-50W User Manual 6. Panel Drawing 148 mm 1x100W @4 MONO 2x50W Ω STEREO TCP/IP RS232 IR IN AUDIO OPTICAL LOOP DC 33V 14 mm LINE BASS INPUT SEL CONTROL VOLUME www.tlnetworx.com... - Page 25 TL-A8O-50W User Manual 7. Troubleshooting & Maintenance Problem Possible Cause Solution Loose or broken connection at Reconnect the devices. input/ output end No connected source at the Insert source to the port or change for chosen input channel other input channels. No output audio Audio has been muted Press the volume knob to unmute. Connect output according to different Wrong output connection transmission mode (stereo or mono). Power indicator is Not energized yet Energize the device. off and the device Loose broken power respond nothing Reconnect the power adapter. connection to any operation Control device and...
- Page 26 TL-A8O-50W User Manual 8. After-sales Service If there appear some problems when running the device, please check and deal with the problems referenced in this user manual. 1) Product Limited Warranty: We warrant that our products will be free from defects in materials and workmanship for three years. Please see warranty page posted on www.tlnetworx.com for more info. 2) What the warranty does not cover: l Warranty expiration. l Factory applied serial number has been altered or removed from the product. l Damage, deterioration or malfunction caused by: l Normal wear and tear l Use of supplies or parts not meeting our specifications l No certificate or invoice as the proof of warranty. l The product model showed on the warranty card does not match with the model of the product for repairing or had been altered. l Damage caused by force majeure. l Non-authorized service l Other causes which does not relate to a product defect l Delivery, installation or labor charges for installation or setup of the product 3) Technical Support: Email to our after-sales department or make a call, please inform us the following information about your cases.
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