Sigma 22 clone for 3 x LM3886 clone amp. Total Novice with ideas way about his abilities need help.

To put in bluntly I have been scared to post as I am a complete novice. I tried to send a PM to someone who appeared nice, but I could not find a way. So I am putting caution aside.

To keep me amused and my mental health intact, during my final divorce settlement, as we are selling house, I decided to start a project and got 3 fully assembled boards:

2 x LN3886 x 3 mono board – that I have now lost

1 x Sigma 22 Zero Zone clone configured for 35VDC

Plan to get toroidal 33V – but even that is confusing.

My plan was 2 x mono blocs and hence I under ordered the PSU.

Also soft start and speaker protectors, but they seem quite easy…I think

I have been looking for days for a hook up diagram. I cannot find a schematic of the board that shows inputs and outputs. The components obscure the writing and when I found a board it was not helpful.

Many of the Chinese sellers have diagrams…this goes to this. But I have drawn a blank. Can you assist?

Any suggestions?? Hypex suits my skill level, but not my budget. The lost amps, has sort of thrown my plan off course.

If you do can you point me in a direction to get the diagram. I am a total novice, I can follow instructions, but that is it.


Regard

Dan

foxint@foxint.com.au
 

Attachments

  • 2pcs x LM3886-325426791430.jpg
    2pcs x LM3886-325426791430.jpg
    29.3 KB · Views: 130
  • Sigma22-005.jpg
    Sigma22-005.jpg
    78.2 KB · Views: 144
  • Sigma22-004.jpg
    Sigma22-004.jpg
    105.7 KB · Views: 136