RadioBanter - HP8640B output stage

RadioBanter (https://www.radiobanter.com/)

- Homebrew (https://www.radiobanter.com/homebrew/)

- - HP8640B output stage (https://www.radiobanter.com/homebrew/20783-hp8640b-output-stage.html)

Richard Hosking

July 13th 03 03:09 PM

HP8640B output stage

Dear all
I have seen posts in the past about this issue
My friend has acquired a unit with the output stage defunct.
Any ideas about what the problem is likely to be and the solution?

Thanks
Richard

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