Bose 901 Series III Equalizer, Simpson 464 Multimeter & Realistic Pro-1 Headphones

A solid trio of vintage electronics. The centerpiece is the Bose 901 Series III Active Equalizer in its walnut-trimmed enclosure, with a brushed aluminum faceplate, mid-bass and treble frequency contour sliders, and full amplifier/tape recorder connections on the rear (serial 132375). Alongside it is a Simpson Electric Model 464D Digital Multimeter — a bench-grade instrument from Elgin, Illinois, with a 4-digit LED display, full range/function selector buttons, and four input terminals (serial 27960, 120VAC/50-400Hz). Rounding out the lot is a pair of Realistic Pro-1 over-ear headphones with a coiled cable and standard 1/4" plug. Note: the Bose equalizer has a patch of blue painter's tape on one end panel — visible in photos. all three pieces old stock. Details: - Bose 901 Series III Active Equalizer | Serial: 132375 | Walnut case, ~10" wide - Controls: Below 40 / Tape / Normal switches; Mid-Bass & Treble frequency contour sliders - Rear: Amplifier connections (in/out), Tape Recorder connections (in/out); 105–125VAC, 50–60Hz, 2.5W - Simpson Digital Multimeter | Model 464D | Serial: 27960 - Maker: Simpson Electric Company, 853 Dundee Ave., Elgin, IL 60120 - Power: 120VAC, 50–400Hz, 8VA | Line fuse: 1/4A, 250V, 3AG Normal-Blo - Realistic Pro-1 Over-Ear Headphones | Coiled cable | 1/4" plug The Bose has painter's tape residue on one end — see photos. *Generated with Gavel AI — please ask questions if the description doesn't seem right.