Another less-than-obvious hardware change is the addition of a feedback amplifier -- possibly something like this chip from NXP -- to the phone's loudspeaker.
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But the search for a suitable solid-state amplifier took a long and roundabout route.
The integrated speaker solution is comprised of two-way active speakers (BeoLab 15), an active subwoofer (BeoLab 16) and a rack-ready amplifier (Amplifier 1)-all created specifically for in-wall or in-ceiling placement.
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For instance, a German physicist named Robert Wichard Pohl made a solid-state amplifier in 1938 using salt as the semiconductor.
He rummaged around in his bundle and pulled out a small, battery-operated Craig amplifier, then plugged a lead into an acoustic guitar that was broken in front and had pieces of wood rattling around inside it.
The Soloist utilizes SurfaceSound flat panel speaker technology, and packs a subtle 10 watt-per-channel Tripath amplifier into a thin, black housing.
Paired with a vacuum tube pre-amplifier, consumers will enjoy true, natural sound with minimal distortion.
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Studio-grade components, which include external digital-to-analog converters (DACs) that deliver 127dB signal-to-noise ratio (SNR), sockets for swappable Op-Amps, a high-end 80mW into 600 ohm headphone amplifier, and 192kHz pass through, are used to deliver phenomenal audio quality.
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The Internet, merchants are discovering, is a tremendous word-of-mouth amplifier.
The new luxury AH-NC600 earbud headphones offer music lovers an opportunity to enjoy the ultimate in private listening enjoyment, with a high-quality built-in amplifier and advanced noise-cancelling technologies that reduce outside ambient noise by 99%.
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The Model Two makes use of the latest audio technology, including front and rear RCA pre-outs, subwoofer output and a built-in 25 watts x 4 channel RMS power amplifier.
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As for hooking up to sound systems, the rig packs front and rear RCA pre-outs, separate subwoofer outputs and a baked-in 25-watt x 4 channel RMS power amplifier, to boot.
The sound quality was absolutely fantastic when played through the Icon system, which includes a separate amplifier and the Icon S-X speakers.
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The RT-N12HP utilizes a custom hardware architecture that augments wireless transmission and signal quality with detachable 9dBi high-gain antennas and a discrete signal power amplifier.
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The Griffin Twenty is a compact digital amplifier that brings the magic of AirPlay to a pair of bookshelf or floor-standing speakers, so you can beam audio wirelessly from a computer, iPhone, iPad or iPod Touch.
The speaker uses a 20 watt high-performance, low-distortion digital amplifier to deliver energy efficient sound.
Yet the IPCC fudges the models so that they produce a much higher increase because of the assumed water-vapor amplifier.
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Case in point: the Icon iDo integrated digital-to-analog converter (also called a DAC) and integrated amplifier is geared specifically toward Apple portable devices like the iPhone and iPad.
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To serve home and office users who need wider wireless coverage, the ASUS RT-N12HP high-power wireless-N300 router employs detachable 9dBi antennas and a unique hardware signal power amplifier.
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The new amplifier technology will soon be trialled on TechDemoSat-1, a British spacecraft designed to showcase novel UK space technologies.
At first, devices that needed to amplify a signal such as radios and the first, lumbering computers used the vacuum-tube amplifier.
Samsung's Vacuum Tube Soundbar (model HW-F750) resolves consumers' desire for pure power and warm, natural sound by integrating a vacuum tube amplifier into a soundbar for the first time.
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