123
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 123 uses two CK512AX pentodes.
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 123 uses two CK512AX pentodes.