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This unit was used for powering the audio electronics in a 350 series recorder.  I added some additional information to the schematic with hand written notes.

Bri
 

Attachments

  • Ampex 350 PSU notes.pdf
    302.5 KB
Analogue PreAmp module for GS80B circa1969. stellar sound. discrete transistor, transformer coupled.
 

Attachments

  • GS80B AUDIO MODULE.jpg
    GS80B AUDIO MODULE.jpg
    538.1 KB
All of the scans I have here for the Ampex 350 along with a schemo I marked up re. the power supply.
 

Attachments

  • p7_02.png
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  • p7_03.png
    361.3 KB
  • p7_04.png
    296.6 KB
  • p7_05.png
    317.8 KB
  • p7_06.png
    p7_06.png
    174 KB
  • p7_07.png
    p7_07.png
    177.1 KB
  • p7_08.png
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  • p7_09.png
    164.3 KB
  • p7_10.png
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  • p7_11.png
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  • Ampex 350 PSU notes.pdf
    302.5 KB

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