From the wellknown Scandinavian manufacturer Tandberg: the series 15.
Plug-in the wall for power, thread-in a tape, plug-in an audiosource, set powerswitch on and simultaniously run take-up and starthandle: the recorder is taking-up. Make the level right, the output audible (or not), or plug a headphone in. That's all, ready to run in a flightcase!
The Tandberg does it by two heads, three speeds (19, 9,5 en 4,75 cm./sec.) with autostop, microphone in, line in (mix), analog VU meter. Microphone and line in are variabel, loudspeaker-output is switchable, tone has treble and bass. The taperun handle has a quadruple function, also the brakes loose for editing, so there is no way for mistakes.
Reelsize max 18 cm., line output via extra buffer (no load for it's electronics),
the flightcase with an extra hole for cables and a tunnel for the speaker on front. Wallpower 220 V., 50 Hz., weigth approx. 8 Kg.