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A5/A7/A7 Mono
User Manual
TPA3251/TPA3255 Based
Mono/Stereo Power Amplifier with Post Filter Feedback Design
The contents of this manual may change with the version,
if there is any change without notice,
please go to https://www.3e-audio.com
Download the latest version of the manual.
Introduction
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Summary of Contents for 3e audio TPA3255
- Page 1 A5/A7/A7 Mono User Manual TPA3251/TPA3255 Based Mono/Stereo Power Amplifier with Post Filter Feedback Design The contents of this manual may change with the version, if there is any change without notice, please go to https://www.3e-audio.com Download the latest version of the manual.
- Page 2 The A5/A7/A7 mono series amplifier are also use high quality capacitors, inductors and also implemented high quality PCB design to ensure its highest performance.
- Page 3 Better THD and Linear Elna Silmic II Best Performance Play Audio Accurately Size 170mm x 168mm x 46mm Weight 800g - 1000g A5se/A5 DC36-38V/5A Power Supply input A7se/A7 DC38V-48V/5A or 10A A7 Mono DC38V-52V/5A or 9A Channel 2.0 / 1.0...
- Page 5 Product Overview Clipping indication LED – Left channel Clipping indication LED – Right channel RCA input indication LED XLR input indication LED Multi-function KEY – Power on & off, input selection, volume control Short press – Input source switch between RCA and XLR ●...
- Page 6 Operations 1. Connect the passive speaker to the speaker output terminal (please ensure the priority is correct). 2. Connect the audio source to the RCA or XLR(TRS) input. 3. Connect the power supply (MUST within product specification range). 4. select the RCA/XLR mode for desired input source. 5.
- Page 7 Use 3e audio AC adapter is recommended and make sure DC voltage MUST with spec when other ● type adapter is used by user himself. 3e audio accepts no liability for any loss or damage arising directly or in directly from the failure of ● Amplifier.
- Page 8 Measurement data Frequency Response - A5se Frequency Response - A5...
- Page 9 Frequency Response - A7se Frequency Response - A7&A7 Mono...
- Page 10 THD+N vs Output Power - A5se THD+N vs Output Power - A5...
- Page 11 THD+N vs Output Power - A7se THD+N vs Output Power - A7...
- Page 12 THD+N vs Output Power - A7Mono Output Impedance - A5 Output Impedance - A7...
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