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Summary of Contents for PTN PA2B
- Page 1 USER MANUAL PA2B Mini Digital Amplifier with EQ/Mixer Version: PA2B2012V1...
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Page 2: Table Of Contents
Mini Digital Amplifier, with MIC Mixer and EQ Table of Contents Introduction ................3 Features .................. 3 Specification ................4 Audio Connection ..............5 Buttons Control ................ 7 RS232 Communication Protocol ..........9 System Diagram ..............11 Panel Drawing ............... 12... -
Page 3: Introduction
Mini Digital Amplifier, with MIC Mixer and EQ 1. Introduction PA2B is a compact-size digital amplifier (Class-D) with 3 inputs(2 line in and 1 balanced MIC). It is integrated with powerful functions, including bridge connection, dual-mono, EQ control, microphone mixer etc. -
Page 4: Specification
Control Function RS-232, 9-pin female D RS232 Control Pin Configurations 2 = TX, 3 = RX, 5 = GND connector IR Remote Optional IR remote TCP/IP Control TCP/IP controlled by PTNET(PTN's programmable interface) NOTE: All nominal levels are at ±10%. -
Page 5: Audio Connection
Connecting the four pins, like this 4.1.2 Bridge connection: 1x40Watt@8Ohm The PA2B 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. - Page 6 Mini Digital Amplifier, with MIC Mixer and EQ 4.1.3 Dual-mono output: The PA2B also has the function of double-mono output. It can sum up the left and right channel, to be the mono audio output. In this way, the both of the outputs are showing the same mono audio.
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Page 7: Buttons Control
Mini Digital Amplifier, with MIC Mixer and EQ Unbalanced connection: “╧” connects to ground, and “-” connects to signal. “╧” connects to ground, and “+” connects to signal. Balanced connection: “+” connects to positive, “-” connects to negative and “╧” connects to ground. - Page 8 Mini Digital Amplifier, with MIC Mixer and EQ 5.2 Volume/EQ controlling The line volume and MIC volume can be controlled by the buttons. The MIC Volume/LINE volume/LINE bass/LINE treble will be selected by the buttons, and controlled up/down/mute by the function buttons. Please check the picture below: Firstly to select the Then to turn down/up the function from this menu.
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Page 9: Rs232 Communication Protocol
Mini Digital Amplifier, with MIC Mixer and EQ 6. RS232 Communication Protocol: Baud rate: 9600 Data bit: 8 Stop bit: 1 Parity bit: none Command Function Description Feedback Code 1A1. Switching the audio to input 1 A: 1 -> 1 2A1. - Page 10 Turning up the volume of line audio. We should send the RS232 command: [603%] Example 3: Preset the MIC volume to “21” degree. We should send the RS232 command: [521%] Example 4: Checking the working status of PA2B. We should send the RS232 command: [600%]...
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Page 11: System Diagram
Mini Digital Amplifier, with MIC Mixer and EQ 7. System Diagram 2x20Watt@4Ohm Looping connection 1x40Watt@8Ohm... -
Page 12: Panel Drawing
Mini Digital Amplifier, with MIC Mixer and EQ 8. Panel Drawing Unit: mm Remarks: For any questions or problems, please try to get help from your local distributor, or email PTN at: support@PTN-electronics.com.
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