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User Manual

TL-A70-40W

40 Watt Power Amplifier

All Rights Reserved

Version: TL-A70-40W _160826

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Summary of Contents for TL-A70-40W

Page 1: ...User Manual TL A70 40W 40 Watt Power Amplifier All Rights Reserved Version TL A70 40W _160826 ...

Page 2: ...is 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 ...

Page 3: ...ture 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 resu...

Page 4: ...udio Output 4 3 3 2 Audio Inputs 5 3 4 System Applications 6 4 System Operations 6 4 1 Operations of Front Panel 6 4 1 1 Audio switching 6 4 1 2 Volume EQ controlling 7 4 2 Operations of IR Remote 7 4 3 Operations of Control Software 9 4 3 1 Connection with Computer 9 4 3 2 Installation uninstallation of RS232 Control Software 9 4 3 3 Running Environment 10 4 3 4 Function Settings 10 4 3 5 RS232 C...

Page 5: ... 100V l Ducking function for the microphone l 16 selectable IDs to control multiple units using one RS232 connection l 3 level MIC input supports condenser microphone dynamic microphone and wireless microphone l MIC port can support balanced unbalanced signal l Two stereo audio inputs and one digital audio input switchable by button IR remote RS232 l Volume Bass Treble controllable by buttons IR r...

Page 6: ...l Description 2 1 Front Panel Figure 1 Front Panel No Name Function Audio Input Selection Audio source selection Audio Control Selector for adjusting the volume of the MIC Line or the level of Bass and Treble with this button Audio Adjustment To adjust or mute the corresponding audio Turn down the volume or Bass Treble Turn up the volume MUTE Mute the output MIC LINE BASS TREBLE MUTE INPUT SEL 1 2...

Page 7: ...e PC control software or RS232 control IR To connect with the IR receiver works with the IR remote not included Power Port To connect the power adapter DC24V 2 x RCA Dual mono audio input which can be connected with audio source device such as a DVD or PC Digital Audio Input Fiber optic connector for digital audio input PCM format only it can be connected with a device with fiber port such as a Bl...

Page 8: ...ted by country safety regulations you must adhere to all local codes The COM pin should be connected to the Minus terminals of the speaker run The amplifier has a rated power at 40Watt so the TL A70 40W can be connected with several speakers in parallel connection way Total power mustn t be more than 40Watt The following figure shows us how to connect with the speakers Here we take the 100V 10W sp...

Page 9: ...e following figure shows the audio input ports Figure 5 Audio Input Ports Ø 48V phantom power input When 48V is selected on the switch the MIC input will provide a 48V phantom power This is usually used to supply power to a condenser microphone Connection is connects to positive connects to negative and to ground COM 70V 100V Speaker Speaker Speaker Speaker 100V 10W 100V 10W 100V 10W 100V 10W Slid...

Page 10: ...ects to positive connects to negative and connects to ground l Digital Audio Input TL A70 40W features a fiber optical port to connect a digital audio source device Notice This digital audio input can support decode PCM format signal only If the CD DVD is DTS or AC3 Dolby Digital format please set the player to PCM format output before connecting to the TL A70 40W 3 4 System Applications TL A70 40...

Page 11: ...re below Figure 7 Audio Mode and Volume Adjustment buttons For example to turn up the line volume you should select the LINE first and then press the button 4 2 Operations of IR Remote TL A70 40W can be controlled using IR using an IR Receiver and the IR remote Notice The IR Receiver and the IR remote are not included but can be purchased from TechLogix Networx Part TL A70 40W IR Audio Mode Switch...

Page 12: ...ntroller Audio Controlling Modes MIC turn up down the microphone volume LINE turn up down the line volume BASS bass tuning TREBLE treble of line volume Audio Source Selection 1 2 RCA dual mono audio input 2 1 3 5mm jack 3 1 Digital fiber audio input IR receiver works with the IR remote Please point the IR remote at the IR receiver when using to avoid loss of control 3 5mm jack Insert it into the s...

Page 13: ...ww tlnetworx com Figure 10 Connection of RS232 Port 4 3 2 Installation uninstallation of RS232 Control Software l Installation 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 A70 40W Ø Double click the EXE program to execute the software Here we take ...

Page 14: ...Settings 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 interface of the control software is showed as below Figure 12 Main Interface of Control Software Parameter Configuration area Monitoring area indicates if the command sent works Command Sending area ...

Page 15: ...C volume up Volume of MIC 51 602 MIC volume down Volume of MIC 51 603 Line volume up Volume of LINE 51 604 Line volume down Volume of LINE 51 605 Bass level up Bass of LINE 4 606 Bass level down Bass of LINE 4 607 Treble level up Treble of LINE 4 608 Treble level down Treble of LINE 4 609 Initialization back to the default setting Init OK 610 Enable disable the ducking function Ducking off Ducking...

Page 16: ...nds please take notice of the address of the ID code If the amp address ID code is 0 all RS232 commands will control the amp If the address is in 1 F it has a unique ID code If the ID code is 1 F please add ID before sending the command For example if the ID code is 5 and the RS232 command needed is 604 the correct command is in this format 5 604 There is no need to add ID before the command when ...

Page 17: ... One 1 3 pin captive screw connector 3 81mm DC 24V Power One 1 Power connector with locking screw 5 5mm outside diameter 2 1mm inside diameter Audio Performance Input Impedance 10k Ω Output Type Constant voltage 70V or 100V Maximum Rated Power Output 40 Watts Frequency Response 120 Hz 20 kHz Common Mode Rejection Ratio CMRR 70 dB at 20 Hz 20 kHz Signal to Noise Ratio SNR 80 dB Max Total Harmonic D...

Page 18: ...ity Environment 10 90 Non condensing Power ESD Regulatory Maximum Power Consumption 45W Power Supply DC 24V at 2 5A ESD Protection 15KV Regulatory CE FCC Other Standard Warranty 3 Year Indicators 1 Power 2 Input Select 4 Signal select 1 Up 1 Down 1 Mute Included Items Installation guide Power adapter Mounting ears 2 ea Mounting screws 4ea RS232 cable Plastic cushions 4 ea Pluggable terminal block ...

Page 19: ...15 www tlnetworx com TL A70 40W User Manual 6 Panel Drawing Figure 13 Panel Drawing ...

Page 20: ... not respond to any operation Failed power connection Make sure the power cord connection is good Static becomes stronger when connecting the video connectors Bad grounding Check the grounding and make sure it is connected well Output audio has interference Cannot control the device by front panel buttons RS232 port or IR remote Broken unit Send it to the dealer for repair If your problem persists...

Page 21: ...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 installati...

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