122
The Tektronix 122 is an external low-frequency low-level preamplifier. The low-frequency cutoff and high frequency cutoff can be selected. 40KHz is the highest cutoff.
The Tektronix 122 is an external low-frequency low-level preamplifier. The low-frequency cutoff and high frequency cutoff can be selected. 40KHz is the highest cutoff.