Specifications

AMP2-T assembly instructions. © 41Hz Audio / www.41hz.com Revision 1.0T boards
TABLE OF CONTENT
Assembly instructions for AMP2.................................................................................................... 3
Considerations before you start .................................................................................................. 3
Tools needed ............................................................................................................................... 4
The PCB, a summary .................................................................................................................. 4
Components not included in the kit ............................................................................................ 6
Mounting the components........................................................................................................... 7
Trimming and testing................................................................................................................ 10
APPENDIX 1: Bill Of Materials (BOM) ..................................................................................... 16
BOM by component symbol / component name .......................................................................... 17
APPENDIX 2: Fine tuning the AMP2.......................................................................................... 20
Input impedance, input gain...................................................................................................... 20
Input capacitors......................................................................................................................... 21
Modulator gain.......................................................................................................................... 22
Current limiting......................................................................................................................... 22
Voltage limiting ........................................................................................................................ 23
APPENDIX 3: Mounting the TP2350B chip................................................................................ 24
Soldering the heat slug.............................................................................................................. 24
APPENDIX 4: Connector Pinouts................................................................................................ 25
APPENDIX 5: Power supply board for the AMP2 amplifier....................................................... 25
The AMP2-T is an advanced high power amplifier. Building this amplifier is not for “beginners”.
It is assumed that you have thorough knowledge about electronics and building electrical and
electronic devices.
WARNING: The voltages and currents involved can be lethal if not handled properly. If you do
not have sufficient knowledge, do not proceed in building and using this kit. 41hz Audio can in
no way be held responsible for the consequences of the use of the kit.