| Nachlese (PLL-Empfänger 12/74)
| Schaltjahrkorrektur (zum elektronischen Kalender 12/73)
| An earlier article explained the operating principle of the electronic loudspeaker. It was shown that this approach enables a woofer in a re...
| For those who are dissatisfied with the quality of their television sound (and who isn`t? ) `"I here is a design which enables a high-qu...
| Three-eyed bandit From time immemorial man has played games of chance. In primitive societies the men often sat around throwing dice o...
| Hörerkopf (Kopf-Nachbildung - Kunstkopf-Stereo)
| Auslöser für Zweitblitz (Fotoelement BPY11 detektiert Blitz, triggert Thyristor)
| Logiktester (akustische + optische Anzeige des Logikpegels)