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Initially sold for ¥38,600
The Yamaha GQ1031B II is a 31-band single channel graphic equalizer in a 1U rack. It's a small upgrade to the Yamaha GQ1031B (1987), which was a small circuitry upgrade to the Yamaha GQ1031 (1984). This version adds a display for the input level and a knob instead of a slider to adjust it.