Nikko EQ 20 Graphic Equalizer - $125 (NE Minneapolis)

The EQ20 lets you custom tailor the sound of any program source for optimum frequency response in your particular acoustic environment.
Frequencies are adjustable at octave intervals from 31.
5Hz to 16kHz, with a total of ten sliders per channel.
Also available are pre-EQ and post-EQ tape monitor switches for A/B comparison, and EQ gain control.
Specifications Output Level: 1V (7V max) Gain: ± 6dB Frequency response: 10Hz to 50kHz Signal to Noise Ratio: 100dB Total harmonic distortion: 0.
008% Control Range: ± 12dB Frequency Bands: 31.
5, 63, 125, 250, 500, 1K, 2K, 4K, 8K, 16KHz Dimensions: 482 x 92 x 231mm Weight: 5kg In excellent condition.
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