240 Resistance Mixer

Three cosmetic variants of the 240 Resistance Mixer:
from the early 1980s, mid 1980s, and early 1990s (clockwise from top left)

The 240 Resistance Mixer is a relatively simple (passive operation) accessory allowing four audio inputs to be mixed down to one output, or to split one input to 4 different outputs. The 240 was introduced in the (late?) 1970s and was one of three accessories retained as part of the "AC" series when DOD discontinued their initial series of effects pedals in favor of the FX-series in 1982. At least six cosmetic variants were produced, including the final (made in China?) VAC series, which was produced into the early 2000s.

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