Word: tuners
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Dates: during 1960-1969
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Reception of WCRB's fine broadcasts--they excell musically as well as technically--on our Scott 350 multiplex tuner which has the unscrambler built in is all we could expect from any source...
...save for the rosy glow from the pilot light. On the broad panel-set roughly equidistant from two woofered and tweetered speaker assemblies in massive cabinets-is an array of switches, dials and knobs. This is not the cockpit of the X-15; it is a modern stereophonic rig. Tuner off. Amplifier on. Selector switch on RIAA. All niters out. Left volume control on #5. Right volume control on #5. Turntable spinning at 33⅓ r.p.m. A metal arm glides with feathery softness over the record. For the moment, the speakers are switched off. Instead, from a tangle of wire...
...each signal, and, moreover, received poor-quality stereo because ordinary AM radio has a limited frequency range and is subject to static and other kinds of interference. MPX, on the other hand, uses a single transmitter that carries two sets of signals simultaneously to a single FM stereo tuner. The main carrier contains a combination of left and right (L+R) signals; a sub-carrier (the multiplex part) transmits the "difference" between the two signals (L - R). When the two arrive at the tuner, the MPX circuitry divides them again...
...they were reduced to drinking warm beer. On one train, a passenger broke out a loaf of bread and passed it around. Another commuter shared his roll of Life Savers by distributing broken pieces to his comrades. One cheerful man found an air whistle and using it as a tuner, led his car mates in song. Cigarette supplies ran low, newspapers changed hands, a man penciled a sign announcing a new fare rise and marched grimly down the aisles; another stepped out on the car platform and got socked in the kisser with a snowball...