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User Manual

PT-AA220

7

3.

System Operation

3.1.

Panel Control

The buttons provides the control of volume/EQ control and switching. The following
content introduces audio switching and EQ control in detail.

3.1.1.

Audio Switching

There are two switchable stereo audio inputs, one 2xRCA input, and one 3.5mm jack
input, switchable through the buttons as below:

S

ource

Selection

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Summary of Contents for PT-AA220

Page 1: ...User Manual PT AA220 User Manual Audio Amplifier 2x20W Output 4Ω 2 Line 1 MIC Inputs Model PT AA220 Designed in Germany 2017 PureLink GmbH All rights reserved VersionV1 0 ...

Page 2: ...ed or reproduced without the 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 designe...

Page 3: ...07 2006 EU und 2011 65 EU EMC LVD Electro Magnetic Compatibility Low Voltage Directive PureLink GmbH hereby declares that this product PureTools PT AA220 complies with Directives 2014 30 EU and 2014 35 EU The full text of the EU Declaration of Conformity is available at the following Internet address http www purelink de ce 4251364706633_CE pdf ...

Page 4: ...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 electri...

Page 5: ...dge Connection 1x40Watt 8Ohm 3 2 1 3 Dual Mono Output 4 2 2 Microphone Input 4 2 2 1 48V Phantom Power Input 4 2 2 2 MIC Input 5 2 2 3 LINE Input 5 2 3 System Diagram 6 3 System Operation 7 3 1 Panel Control 7 3 1 1 Audio Switching 7 3 1 2 Volume EQ Control 8 3 2 IR Remote Control 9 3 3 RS232 Command 10 4 Specification 12 5 Panel Drawing 13 6 Troubleshooting Maintenance 14 7 After Sales Service 15...

Page 6: ...ass Treble controllable by buttons IR remote RS232 MIC port can support balance unbalance signal suppress the external noise effectively Line audio output at 3 5mm jack with volume controllable Dual mono function User can sum up the stereo audio to two times mono audio MIC mixer function The microphone will be mixed to the line audio output and be controlled separately MIC input supports 48V phant...

Page 7: ...gable Terminal Blocks 1 x Power Adapter 1 x Power Cord 4 x Plastic Cushions 1 x User Manual Note The IR remote and its battery are offered for charge separately The IR receiver is also offered for charge Please confirm if the product and the accessories are all included if not please contact with the dealers ...

Page 8: ...32 Tx Rx IR STEREO BRIDGE MONO L R MIC LINE 48V MIC 1 2 INPUTS STEREO BRIDGE MONO Speaker 2 1 2 Bridge Connection 1x40Watt 8Ohm The PT AA220 has the bridge connection to double the output power at 1x40Watt 8Ohm It will sum up the input left channel and input right channel to be mono output and the power is up to 40Watt The bridge connection is OUTPUTS LOOP 1x40Watt 8 Ω 2x20Watt 4 Ω RS232 Tx Rx IR ...

Page 9: ...PUTS Speaker STEREO BRIDGE MONO 2 2 Microphone Input The microphone input of PT AA220 has three modes and different modes use different connections as the picture below RS232 Tx Rx IR STEREO BRIDGE MONO L R MIC LINE 48V MIC 1 2 INPUTS MIC MIC LINE 48V Mode Switch 2 2 1 48V Phantom Power Input When the switch turns to 48V the MIC input will provide a 48V phantom power This is usually used for power...

Page 10: ...ts to signal 2 Balanced connection connects to positive connects to negative and connects to ground 2 2 3 LINE Input When the switch turns to LINE the microphone input is used for connecting with normal audio or wireless microphone output There are two different connections 1 Unbalanced connection connects to ground and connects to signal connects to ground and connects to signal 2 Balanced connec...

Page 11: ...x Rx IR STEREO BRIDGE MONO L R MIC LINE 48V MIC 1 2 INPUTS OUTPUTS LOOP 1x40Watt 8 Ω 2x20Watt 4 Ω MIC IR Receiver Remote Control Panel Audio Player Speaker Speaker MIC IR Receiver Remote Control Panel Audio Player Front Panel Rear Panel Audio IR RS232 ...

Page 12: ...he control of volume EQ control and switching The following content introduces audio switching and EQ control in detail 3 1 1 Audio Switching There are two switchable stereo audio inputs one 2xRCA input and one 3 5mm jack input switchable through the buttons as below Source Selection ...

Page 13: ...lume LINE bass LINE treble will be selected by the buttons and controlled up down mute by the function buttons Please check the picture below For example to turn up the line volume you should select the LINE first and then press the button Firstly to select the function from this menu Then to turn down up the level or mute the output ...

Page 14: ...f control as there is no signal detected 3 5mm jack insert it into the specialized socket 3 5mm to connect the IR receiver with the amplifier Mute Mode MIC Mute the microphone volume LINE Mute the line volume SPEAKER Unmute Use to transmit the infrared signal send by the IR remote Audio Controlling Modes MIC turn up down the microphone volume LINE turn up down the line volume BASS bass tuning TREB...

Page 15: ...e On 4A0 Switch off Noise Gate Gate Off 600 Checking the working status A 1 1 Volume 30 Bass 00 Treble 00 601 MIC 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 04 606 Bass level down Bass of LINE 04 607 Treble level up Treble of LINE 04 608 Treble level down Treble of LINE 0...

Page 16: ...4 Notice The letter inside bracket is the variable code which is changeable The bracket is not included to the RS232 commands Any dot after the letters is part of the commands Example 1 Switching the input 2 to the line out RS232 command is 2A1 Example 2 Turning up the volume of line audio RS232 command is 603 Example 3 Preset the MIC volume to 21 degree RS232 command is 521 Example 4 Checking the...

Page 17: ... pluggable terminal block 4P 5 08mm Output Impedance 50Ω stereo 4 8Ω Amplifier Audio General Frequency Response 20Hz 20KHz CMRR 70dB 20Hz 20KHz SNR 80dB at maximum output Bandwidth 20Hz 25KHz Stereo Channel Separation 75dB 20Hz to 20KHz THD Noise 1 1KHz 0 3 20KHz at nominal level Voltage Gain 32dB Power Output 2x20 Watts 4 Ohms Control Function RS232 Control 3 hole phoenix connector Panel Control ...

Page 18: ...User Manual PT AA220 13 5 Panel Drawing 87 mm 57 mm 12 mm 123 mm 99 mm 39 5 mm ...

Page 19: ... there is something broken inside the unit please send it to the dealer for repairing 2 If the POWER indicator doesn t work or no respond to any operation please make sure the power cord connection is good 3 If the output sound is interfered please make sure the system is grounded well 4 If the static becomes stronger when connecting the audio connectors it probably due to bad grounding please che...

Page 20: ...fee Warranty expiration Factory applied serial number has been altered or removed from the product Damage deterioration or malfunction caused by Normal wear and tear Use of supplies or parts not meeting our specifications No certificate or invoice as the proof of warranty The product model showed on the warranty card does not match with the model of the product for repairing or had been altered Da...

Page 21: ...User Manual PT AA220 ...

Page 22: ...User Manual PT AA220 ...

Page 23: ...User Manual PT AA220 ...

Page 24: ...Technical Support Phone 49 5971 800299 0 Fax 49 5971 800299 99 Technical Support Hours 8 30 AM to 5 00 PM Monday thru Thursday 8 30 AM to 4 00 PM Friday Write to PureLink GmbH Von Liebig Straße 10 D 48432 Rheine www purelink de info purelink de ...

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