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  2. Constant-voltage speaker system - Wikipedia

    en.wikipedia.org/wiki/Constant-voltage_speaker...

    The voltage is constant only in the sense that at full power, the voltage in the system does not depend on the number of speakers driven (as long the amplifier's maximum power is not exceeded). [2] Constant-voltage speaker systems are also commonly referred to as 25- , 70- , 70.7- , 100 or 210-volt speaker systems ; distributed speaker systems ...

  3. File:741 op-amp schematic.svg - Wikipedia

    en.wikipedia.org/wiki/File:741_op-amp_schematic.svg

    Date/Time Thumbnail Dimensions User Comment; current: 21:57, 17 October 2011: 832 × 514 (30 KB): Ea91b3dd: Fixed subscript since thumbnail generator doesn't do percentage font sizes.

  4. Common emitter - Wikipedia

    en.wikipedia.org/wiki/Common_emitter

    Common-emitter amplifiers give the amplifier an inverted output and can have a very high gain that may vary widely from one transistor to the next. The gain is a strong function of both temperature and bias current, and so the actual gain is somewhat unpredictable.

  5. Power amplifier classes - Wikipedia

    en.wikipedia.org/wiki/Power_amplifier_classes

    In electronics, power amplifier classes are letter symbols applied to different power amplifier types. The class gives a broad indication of an amplifier 's characteristics and performance. The first three classes are related to the time period that the active amplifier device is passing current, expressed as a fraction of the period of a ...

  6. File:Op-Amp Non-Inverting Amplifier.svg - Wikipedia

    en.wikipedia.org/wiki/File:Op-Amp_Non-Inverting...

    Date/Time Thumbnail Dimensions User Comment; current: 04:14, 26 January 2009: 300 × 125 (26 KB): Inductiveload {{Information |Description=A circuit diagram of a en:non-inverting amplifier made using an en:operational amplifier.

  7. Bridged and paralleled amplifiers - Wikipedia

    en.wikipedia.org/wiki/Bridged_and_paralleled...

    Representative schematic of a paralleled amplifier configuration. A paralleled amplifier configuration uses multiple amplifiers in parallel, i.e., two or more amplifiers operating in-phase into a common load. In this mode the available output current is doubled but the output voltage remains the same. The output impedance of the pair is now halved.

  8. Audio and video interfaces and connectors - Wikipedia

    en.wikipedia.org/wiki/Audio_and_video_interfaces...

    It defines a new license-free, royalty-free, digital audio/video interconnect, intended to be used primarily between a computer and its display monitor, or a computer and a home-theater system. The video signal is not compatible with DVI or HDMI , but a DisplayPort connector can pass these signals through.

  9. Wiring diagram - Wikipedia

    en.wikipedia.org/wiki/Wiring_diagram

    A set of wiring diagrams may be required by the electrical inspection authority to approve connection of the residence to the public electrical supply system. Wiring diagrams will also include panel schedules for circuit breaker panelboards, and riser diagrams for special services such as fire alarm or closed-circuit television or other special ...