Mixer

Four-channel DC-coupled mixer in 4 HP, for audio or control voltages.

Key features

• One level control per channel
• Output 1+2 sums the first two channels
• Left unpatched, 1+2 is normalled into output 3+4, which then becomes the master of all four
• A red LED on each summing bus (1+2 and 3+4) shows a signal is present, brighter as it grows