Sony Black Graphic Equalizer SEQ-450

Updated August 28, 2026

This vintage Sony graphic equalizer, model SEQ-450, features a black metal housing with a matching plastic front panel. The component provides dual 9-band frequency controls for independent adjustment of the left and right audio channels, allowing for precise audio tailoring between 63Hz and 16kHz. Each adjustment slider contains an integrated red LED indicator. The center of the unit houses a 9-band vacuum fluorescent spectrum analyzer display. The front faceplate is printed with white text reading SONY, GRAPHIC EQUALIZER SEQ-450, and 9 BAND SPECTRUM ANALYZER. The rear panel provides standard RCA line inputs and outputs, a built-in power cord, and a convenience unswitched AC outlet. A manufacturer label on the reverse reads SONY MODEL NO. SEQ-450 and MADE IN JAPAN with serial number 3800933.Width: 17 inchesDepth: 10.5 inchesHeight: 3 inches.The equalizer is in good overall vintage condition, with minor scuffs and surface scratches present on the metal top and side panels. The front panel remains in clean cosmetic condition with crisp, legible lettering. The unit is functional, with all integrated slider LEDs and the central spectrum analyzer display operating correctly when po

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