This second-generation budget model replaced the WM-1. Offering similar facilities, it was three quarters of the size, a useful saving in bulk. Text copyright © Walkman Central. Unauthorised reproduction prohibited.
The WM-4 was designed to be cheap and therefore lacked some of the clever and sophisticated details of the more expensive models. The tape transport was of a simple type intended for dictating machines (hence the “cue” and “review” functions) and the motor was of the type commonly found in cheap cassette recorders, complete with a simple electronic regulator. Both the motor and amplifier required a 6V supply so 4 “AA” size batteries were needed, something which, by itself, ensured that the WM-4 was bulky and heavy. The extra power did however make the WM-4 very loud (it is amongst the loudest of all Walkmans) and gave it fast, strong winding modes. Text copyright © Walkman Central. Unauthorised reproduction prohibited.
The simple functions included auto-stop (on playback only), normal or chrome/metal tape compatibility, dual headphone sockets and a battery indicator. Some styling cues (e.g. the shape of the cassette viewing window) and text styles were taken directly from the WM-2, though in truth the two models shared virtually nothing. As a further cost cutting measure, the WM-4 was made in Korea instead of Japan. Text copyright © Walkman Central. Unauthorised reproduction prohibited.