This is a Technics RS-M33G cassette deck, released around 1979 for 59,800 yen. It features an accurate and responsive digital two-color FL display for output meters, a digital FG servo motor for drive, and an SX sendust head for recording and playback, achieving good frequency characteristics. It also includes a 4-position tape selector for metal tapes, a Dolby NR circuit, rec mute, output volume, rewind, etc., auto play, auto stop, and timer standby functions. The appearance, operation, and sound quality are all good, but it is being sold to organize a growing collection of cassette decks. ● Included: 1 unused normal cassette tape, Reference materials (photo 13) on how to connect to an amplifier, record, play, and how to handle cassette tapes and the main unit's head. ● Appearance: The interior and exterior of the chassis have been cleaned, and there are no noticeable scratches or stains other than a scuff on the top panel corner (photos 14-15). (Maintenance of moving parts, contacts, heads, etc., and the cassette holder interior lighting have been changed to LED.) ● Sound: Connected to a pre-main amplifier, the playback sound of cassette tapes recorded on this unit and other units (st) was confirmed to be good quality audio without distortion or noise from the speakers and the unit's headphones. ● Operation: The liquid crystal display when the power is turned on, the lighting of the cassette holder interior, the tape counter, and the reset operation are all good. The rec mute, pause, rec, play, rew, ff, and stop operations are good, and the tape runs stably. The red lamp lights up during recording, and the input level adjustment with the knob and the left and right LCD display, and the output level adjustment with the knob and the left and right LCD display during playback are also good. (Photos 3-4) The sound quality changes when switching Dolby NR and tape selection have been confirmed by listening. The input selection for line and microphone is also good, and the opening and closing of the cassette holder with the eject lever is smooth. ※ The above confirmations are based on auditory and visual methods. ※ The cassette tapes in the photos are not included. ● Since this is an old product, please consider that problems may occur due to vibration and aging, and please purchase after confirming the appearance in the photos and being satisfied. To minimize vibration during shipping, it will be protected with cushioning material on the bottom and carefully packaged for delivery.