Opinion about Legendino-6 amplifier

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!

Here is schematic...
 

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Thanks!

My comments:
- I never use zeners as reference for CCS's. They are noisy! Signal diodes (1N914/1N4148) are much better here.
- C1 and C5 aren't needed.
- A Zobel (10ohm+100n) is needed on the output. (Maybe on the PCB there is a zobel, I haven't checked it...)

Anyway your desing will works.

Regards,
 
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