Search results
Results from the WOW.Com Content Network
Speakon panel connectors (center) provided on a professional PA power amplifier by QSC with a power output of 2 x 700 Watt (4 Ohm) The Speakon (stylized speakON ) is a trademarked name for an electrical connector , [ 2 ] originally manufactured by Neutrik , mostly used in professional audio systems for connecting loudspeakers to amplifiers .
Damaged power cords of portable air conditioners have caused many electrical fires, and about 350 deaths per year. [ citation needed ] To combat this, the 2017 National Electrical Code (NEC) [ 40 ] requires each portable air conditioner sold in the United States to have either a leakage current detector interrupter (LCDI) or a ground-fault ...
Five-pin male 180° DIN connector from a 1988 Schneider MF2 keyboard by Cherry. The DIN connector is an electrical signal connector that was standardized by the Deutsches Institut für Normung (DIN), the German Institute for Standards, in the mid 1950s, initially with 3 pins for mono, but when stereo connections and gear appeared in late 1950s (1959 or so), versions with 5 pins or more were ...
From about 1900 to the 1950s, the "lowest frequency in practical use" in recordings, broadcasting and music playback was 100 Hz. [9] When sound was developed for motion pictures, the basic RCA sound system was a single 8-inch (20 cm) speaker mounted in straight horn, an approach which was deemed unsatisfactory by Hollywood decisionmakers, who hired Western Electric engineers to develop a ...
The female part of the connector is the 7×7× 4 + 1 ⁄ 2 in (180×180×110 mm) corner casting, which forms each of the eight corners, welded to the container itself, and has no moving parts, only an oval hole in the tops of the four upper corners, and in the bottom of the four lower corners.
Therefore, a smoother means of power delivery is needed. A device designed and patented [ 1 ] in 1971 by Dale A. Adams and reported in The Amateur Scientist in December 1975, [ 2 ] solves this problem with a rotating disk above a base from which a cable extends up, over, and onto the top of the disk.
Audio stereo power amplifier made by McIntosh The internal view of a Mission Cyrus 1 Hi Fi integrated audio amplifier (1984) [1]. An audio power amplifier (or power amp) amplifies low-power electronic audio signals, such as the signal from a radio receiver or an electric guitar pickup, to a level that is high enough for driving loudspeakers or headphones.
Stage boxes are sometimes also used to connect speakers to a mixer – either foldbacks or front-of-house speakers. Some sound engineers connect wireless microphone receivers to the stage box and position them in the same rack next to the stage. [10] In recording studios, stage boxes are used to connect the control room and the live room. They ...