The Tektronix MC is a ruggedized version of the Type 53/54C dual-trace plug-in for the 945.

Tektronix Type MC
Ruggedized dual amplifier
Tektronix Type MC

Compatible with 500-series scopes

Produced from 1962 to (?)

Manuals
(All manuals in PDF format unless noted otherwise)

Key Specifications

Bandwidth DC to 24 MHz
Risetime 15 ns or less
Deflection 50 mV/div to 20 V/div

The Type MC was listed at $475 in the 1963 catalog (2018 value: $3,920).