123

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The Tektronix 123 is a miniature preamplifier introduced in 1958. The gain is 100, input impedance is 10 megohms, and the output impedance is 31 kilohms. The frequency response is from 3 Hz to 25 kHz. The 123 uses two CK512AX pentodes.

Manual needed.

  • Description in 1958 Catalog

    Description in 1958 Catalog

  • Schematic

    Schematic

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