Pioneer Electronic Crossover SF-850 for DJ setup

Source catalog description

This description refers to material held by Smithsonian National Museum of African American History and Culture. Visual details below describe the original material.

A metal Pioneer Electronic Crossover, Model SF-850 machine. The front of the machine is metal, silver with black type, with two rows of knobs. The top row has seven knobs. Each knob has a name as well as other markings to indicate levels. The names read from left to right: [Low Level / Low Pass / Low Cut / Mid Level / High Cut / High Pass / High Level]. Below the far left, top row knob, there is a power outlet. The bottom row has a switch, as well as four additional knobs. Above and below the bottom row knobs there are lines that form a grid. Black type, centered underneath the knobs, reads: [Slope (dB/oct)]. The Pioneer logo, in red type located at the bottom right of the front of the machine and is followed in black type by the name and model number.

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