Optimizing the VBE Multiplier

[tiefbassuebertr]

How works this Vbe multiplier from the circuit in the attachment from Mark Levinson/Madrigal ?

here is the associated paper:
http://www.audiodesignguide.com/doc/adapbias.htm
and some additional URL's
https://www.diyaudio.com/community/...automatic-self-biased-overview-wanted.164939/
https://www.diyaudio.com/community/threads/adaptive-bias-theory.88309/
https://www.diyaudio.com/community/threads/simple-adaptive-bias-bipolar-amp.331304/
https://www.diyaudio.com/community/threads/adaptive-class-a.98325/

 

[tiefbassuebertr]

check out post #64 under
https://www.diyaudio.com/community/...us-vbe-multipliers.117047/page-4#post-7000659

 

[tiefbassuebertr]

this optimizing step I have never see before - go to the posts #533 (schematic) #535 (my question) and #543 (the answer) under
https://www.diyaudio.com/community/...tary-power-output.157430/page-27#post-7530800