Technics stacking music system (Pokesdown BH6)

This is a stacking system. Has all necessary wiring and original booklet. Got radio, 2 cassette tape decks and a CD player.
All in full working order.
Been kept in a cabinet so good condition.
Below means nothing to me but might to spmeone so....
Speakers x 2
Technics model SB-CH404
Double cassette deck
Technics RS-CH404E-K
Disc player
SL-CH505E-K
Stereo amplifier
SE-CH404EB-K
Tuner / sound processor model CH505