1982 Crescendo upgrades
Be aware this old circuits
schematic need to be redesign, amp will not work stable and oscillate
any there is no group wil help you with problems
it was my first amp 20 year ago
This issue has been discussed quite extensive and I still have the intention to upgrade my old Crescendo (1982). FYI, here's the upgraded schematic: View attachment Crescendo_improved.pdf