Vintage 1980 with manual.
Pioneer CK series
The CK was a portable component system, or boombox, made by Pioneer.
People who own these systems usually refer to them as CK-3, CK-5, CK-7, or CK-11. These "systems" are actually prepackaged by Pioneer in this configuration.
But the CK series is also a "mix and match" system, because you could buy and combine any amp or tape deck or speakers you wanted.