Grundig TK-18L (c. 1965)
The TK-18L is a mid-1960s Grundig tape recorder, and almost everything that survives about it is advertising. No independent review, service manual, or specification sheet has turned up in the usual archives. What we know comes from a single short campaign at the end of 1965.
Grundig's own advertisement ran in Studio-Sound (December 1965, p.3) and again in Amateur-Tape-Recorder (December 1965, p.51). It introduced the TK18L at 41 guineas. The ad pushed simplicity: six press-buttons and a few controls on the panel, plus a "Magic Ear" automatic recording-level system. Grundig claimed it balanced everything from a whisper to a cymbal crash, so the user never had to touch a recording-level knob. The campaign's slogan was "You plug a microphone into your Grundig tape recorder. We plug in humpots and fluttermeters." It set the buyer's simple setup against the lab instruments used to measure the machine. That suggests a domestic, ease-of-use recorder, but the ad gave no tape speeds, frequency-response figures, or circuit details.
An April 1965 Studio-Sound new-products page (April 1965, p.32) announced four new Grundig recorders - the TK 14Z, TK 14L, TK ML, and TK 2iL - with shared specifications of 3¾ ips and 40 Hz to 12 kHz ±4 dB. The TK-18L is not among the models named in that item, and the OCR of the page is degraded. Whether the TK-18L shared the family specifications is unconfirmed, and so are its production years. The model is known by name, price, and one advertising slogan.
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