The RC-M75w by JVC was manufactured between 1982 and 1984. It is a single cassette machine and has a “Fine Tuning” knob as well as a “Tape Speed” knob. There are apparently two versions of this boombox. One is the standard metallic color while the other, harder to find version, has some champagne colored accents like the one pictured here. Many of the controls are on the top of the box and utilize slider knobs. It also had a number of bands including:
In good condition the JVC RC-M75w can sell for over $500.