Try contacting John Atwood. jgatwood@one-electron.com
https://archive.org/details/FOURIER_COMPONETS_SANS_PAREIL_MKIII_SCH
Mk5 has auto-bias.
Please Help: Need Instructions to Bias the Fourier Sans Pareil OTL amps!
Happy Thanksgiving!
On a day of gratitude, I will share mine with anyone who can PLEASE help by sharing the instructions to bias a pair of vintage Fourier Sans Pareil OTL tube amplifers.
Thank you,
BH
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