Equalization for sale Vintage and reliable—this Pioneer SG-300 7-Band Stereo Graphic Equaliser from the early 1980s is a solid addition to any hi-fi setup:
• Condition: Used but very clean.
• Working Order: Fully tested and functioning perfectly.
• Features: 7 bands (60 Hz to 15 kHz), ±10 dB control, analog voicing, standard stereo RCA ins/outs.