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| * Please note that each feature does not apply to every model. Confirm each model feature by using the specification charts. |
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 Full-Digital Processing
Our new amplifiers use digital processing from signal input all the way through to output. Their degradation free amplification lets you enjoy the full potential of today’s most advanced audio sources such as DVD-Audio. And because our amplifiers are compatible with sampling frequencies up to 192kHz, you can enjoy faithful reproduction of analog audio signals converted into 192kHz/24-bit signals for even more quality listening pleasure. |
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High Efficiency, High Power
An advanced switching amp control method called dead time control combines with a serial snubber circuit to attain more then 90% electric power efficiency at the output stage. This super-high efficiency not only saves energy and reduces heat generation, it also ensures a stable, high-quality sound. Our new amplifiers are built for power, too. Pumping out 100 watts per channel - incredibly high output for amplifiers this slim - they let you enjoy the breathtakingly beautiful sound inherent in DVD and other multi channel sources. |
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Low Noise, Low Distortion
Panasonic and Texas Instruments developed technology that virtually eliminates the distortion that occurs in PCM-to-PWM conversion, with no loss in stability. Our full-digital amplifiers boast 98MHz processing. They incorporate 4-dimensional noise-shaper technology to reduce noise, and feed-forward error correction to ensure ultra-low distortion even in high-frequency sounds. They also offer a VGDA (Variable Gain Digital Amplifier) function that improves the S/N ratio under actual conditions of use, so you enjoy superb sound even when listening at night with the volume turned low. |
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Slim, Full-Digital Amplifiers
CDs, DVDs, digital broadcasts - media sources are quickly going digital. And Panasonic is working to bring out the full potential of these high-sound-quality sources with a new generation of digital amplifiers. Our digital technology has achieved lower noise, lower distortion, and higher electric power efficiency. It has also made it possible to downsize, resulting in slim, sleek, smart-looking amplifiers that take up much less space around your crowded AV entertainment centre. Equipped with a host of input terminals, Panasonic's full-digital amplifiers can serve as the core of a home theatre system that perfectly matches your AV lifestyle. |
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Dolby Digital EX
This 6.1-channel system improves on the outstanding ambience of the Dolby Digital 5.1-channel format by adding a surround back channel. The spatial expression, acoustic imaging, and sense of sound motion are stunningly lifelike. Audio recorded in this format can also be played as 5.1-channel audio in an ordinary Dolby Digital 5.1-channel system. Combining Dolby Pro Logic II with Panasonic Enhanced Surround function lets you play virtually any source of two or more channels in 6.1-channel surround sound. |
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Dolby Pro Logic IIx
Panasonic digital amplifiers equipped with a Dolby Pro Logic IIx decoder can reproduce all sources with two or more channels as 6.1-channel sound. Dolby Pro Logic IIx boasts smooth acoustic movement and totally envelops you in sound. Surpassing 5.1-channel sound in performance, this system brings even more dynamic and true-to-life ambience to movie soundtracks. |
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DTE-ES Extended Surround
This 6.1-channel surround sound format provides a rich, full sound presence
similar to Dolby Digital EX. There are two modes to choose from. In
Discrete 6.1 mode, all 6.1 channels are recorded separately. In Matrix
6.1 mode, the surround back channel is matrix-encoded into the right and
left surround channels. Using the standard DTS decoder, you can play
audio recorded in either mode as 5.1-channel surround sound. Or you can
combine Neo:6 with Panasonic Enhanced Surround function to play any
source of two or more channels in glorious 6.1-channel surround sound. |
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DTS 96/24
In the DVD-Video format, a system with 96-kHz sampling, 24-bit quantization and two channels delivers
spectacular quality. The DTS 96/24 format improves on this by applying cutting edge compression technologies to provide 96-kHz sampling, 24-bit quantization and 5.1-channel surround sound. This gives movies a surround sound performance that
approaches DVD-Audio. Using the DTS or DTS-ES decoder, you can play audio recorded in this format as ordinary DTS 5.1-channel surround sound. |
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Multi-Source Re-Master
Using 1/f algorithm technology, this original Panasonic feature compensates for the frequencies of the higher
harmonics that are lost during recording due to compression such as AC-3
which is used for DVDs. Since these harmonics transmit subtle nuances of
sound, this is a key technology for achieving movie theatre ambience
with a Home Theatre system. It's also effective during playback of CDs
and other sources, particularly if the recording format is WMA or MP3.
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A touch is all it takes
Remember all the things you had to do with your old home theatre system before you could actually watch the movie? Turn on the TV, then the DVD player, and then the receiver. Change the receiver input selector. Switch the TV’s input mode. Press the Play button of the DVD player. And after all that, you still had to get the remote control and hit a few more buttons. |
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That was yesterday. EZ Sync™ Control is today
With an EZ Sync™ Control home theatre system, watching a movie is one-touch easy. Pressing a single button on the remote control switches on the TV, receiver, and DVD recorder/player, displays the playback image, mutes the TV sound, and outputs the sound from the receiver. It’s all done instantly, automatically. All you have to do is sit back and watch. Once you experience this kind of convenience, you’ll never want to go back to yesterday. |
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5.1ch with dual amp drive (advanced dual amp)
The SA-XR57 also uses its dual amp drive system to drive the left and right front speakers in 5.1ch playback mode. This enhances realism and ambience in movie soundtracks by delivering high-quality sound from the left and right front channels that play such an important role in reproducing movie sound effects and background music. |
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Auto Speaker Detector
The Auto Speaker Detector function detects the connected speaker system and automatically adjusts the settings. The SA-XR57 is set for 7.1ch at the factory. If it is connected to a 5.1ch speaker system, the Auto Speaker Detector function will automatically switch the setting to 5.1ch. This prevents improper sound ambience due to incorrect settings. This function can also be used to check for a loose cable or a faulty connection when there is no sound output from a specific speaker. |
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Dual Amp Drive
The SA-XR57 achieves superb high-frequency reproduction by making it possible for two amps to drive ordinary (non-bi-wired) speakers connected via a single speaker cable. Conventional multi-channel amps use only one amp per speaker in 2-channel playback, and the surround channel amp is not used at all. But in the SA-XR57, Panasonic has applied original technology that takes full advantage of the characteristics of digital amps, completely synchronizing the two amps in parallel so that they can drive a single speaker using the ordinary connection method. This capitalizes on the outstanding response of the digital amp, while the double drive power adds richness and depth. The dual amp drive system automatically activates for 2-channel sources and then resumes ordinary drive for multi-channel sources. There is no need to change speaker cables to match the source. |
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Triple amp with Bi-amp/Bi-Wiring drive
When using bi-wired speakers with the SA-XR57, each speaker is driven by three amps for even higher sound quality. This bi-amp system drives the treble range with a single amp and the bass range with dual amps, using a total of six amps for high stereo fidelity. |
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Wide Frequency range, Wide power Bandwidth
Panasonic digital amplifiers boast a high frequency response up to 88 kHz and a wide power bandwidth with low distortion. And they drive the entire frequency range – something analog amplifiers cannot do. The results are amplifiers that clearly reproduce even high-frequency sound components 20 kHz and above, and unleash the remarkable sound potential of DVD-Audio and other advanced sources. |
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32-Bit Floating Point DSP
The SA-XR57 incorporates a 32-bit Floating Point Digital Signal Processor. Boasting exceptional speed an precision, this advanced processor decodes Dolby Digital EX, DTS-ES and other surround sound signals quickly and accurately to deliver a stunningly life-like surround performance. Also, asn A/D converter converts analog signals to 192-kHz/24-bit digital signals, then applies 32-bit DSP processing. This gives you an extremely high-quality sound even when playing conventional analog sources. |
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192kHz/24-Bit A/D Converter
This converts analog signals to digital signals and delivers them to the 32-bit DSP, giving you maximum benefit from the digital amp and digital functions even when playing analog sources. |
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MOS-FET
The power amp section is equipped with newly developed, half-bridge MOS-FETs, which assure high conversion efficiency and excellent audio characteristics. Also, by integrating the conventional four MOS-FETs per channel to tow per channel, we downsized the circuitry and shortened the signal path. The result is a fast, powerful speaker drive that delivers highly linear, true-to-life musical reproduction. |
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Pure Water Capacitor
A Pure Water Capacitor containing a rayon separator is used as the electrolytic capacitor for each of the six audio channels. With its high water content of approximately 50%, this capacitor offers excellent electrical characteristics and low impedance. The clean electric current it delivers to the speakers helps achieve a clear, transparent sound. |
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