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User Manual for Astell&Kern A&norma SR15 Portable High-Resolution Audio Player Click to enlarge the picture
Contents of the user manual for the Astell&Kern A&norma SR15 Portable High-Resolution Audio
- Product category: iPods & Media Players Astell&Kern
- Brand: Astell&Kern
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Astell&Kern iPods & Media Players
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User manual for the Astell&Kern A&norma SR15 Portable High-Resolution Audio contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Astell&Kern product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Astell&Kern user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Astell&Kern product will considerably shorten its lifespan!
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Product description Styled in dark gray, the Astell&Kern A&norma SR15 aims to be a portable system for playback of high-res audio, utilizing dual Cirrus Logic CS43198 chips and supporting 24-bit/192 kHz bit-to-bit type playback. The 64GB of on-board storage can be expanded with a microSD card (up to 400GB, total). The device can also work as a preamp for digital audio over USB.32-bit audio is down-sampled using a sample-rate converter, and DSD 64/128 can be played back through conversion to PCM. DSDNative, on the other hand, stays in the DSD world. The player sports 3.5mm, 3-pole unbalanced and 2.5mm, 4-pole balanced headphone jacks. The balanced output can remove noise (common mode noise) that can occur in signal and inverting amplifier signal, while offering increased power output due to its double transmitting of signals.The player sports a quirky design with a screen diagonally inset against a rectangular backdrop for an idiosyncratic look. The volume wheel is designed to be protruding slightly from a concave surface so that you can control volume with a simple motion of sliding your finger up and down. With onboard quad-core CPU, the SR15 possesses more than enough power for playing digital music and powering the user interface. The audio player supports USB audio digital out and allows you to connect diverse digital-input portable amps through USB. It can transfer DSD in native through DoP and convert 5.6 MHz DSD into PCM for output to portable amps that do not support DoP. External amplifiers can be connected to the device utilizing a separately available OTG cable. An aluminum body lends durability to the whole construction. - Dual DAC
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- The dual DAC offers a separated channel circuit design that offers less noise and interference, while adding more fidelity and audio output power, to create a bigger sound stage with clearer imaging when paired with your favorite headphones or speakers
- High Audio Output
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- With a substantial power output of 4.0 Vrms from the balanced output, the SR15 can drive a wide range of heavy, hard-to-drive headphones without a problem thanks to Astell&Kern's audio design technology
- The redesigned audio circuit creates authentic sounds by exceeding previous Hi-Fi Audio specifications, including SNR, Crosstalk, and THD+N, over previous models
- Compact Size
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- The SR15 delivers Hi-Fi audio quality in a pocket-sized portable package
- The ergonomic body design fits nicely in the palm of the hand, making operation a smooth, one-handed experience
- High Definition Audio Playback
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- The SR15 plays any resolution of digital files up to 24-bit/192 kHz, bit-for-bit
- 32-bit audio and single- or double-rate DSD can also be played, but it will be converted to PCM or down-sampled
- Balanced Out
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- The SR15 delivers original sound using the 2.5mm 4-pole balanced output that provides a more powerful audio signal with less noise interference
- USB Audio
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- USB Audio
- A simple USB connection will allow the SR15 to be used as a digital music storage device and/or pre-amp to output digital audio through USB
- The SR15 transfers DSD in native format through DoP (DSD over PCM), or converts DSD to PCM if DoP isn't supported
- USB DAC
- Connect to your Windows/Mac computer, or other system, via a USB cable and use the SR15's hardware to provide enhanced sound quality
- Bring out more detail and provide a better listening experience than your computer can deliver, even when listening to your favorite streaming service
- Use the SR15 as a USB DAC for playback support up to 24-bit, 192 kHz to deliver a richer sound through a larger soundstage and resolution
- For DSD playback, simply install the DAC driver on your computer and play DSD with ease
UPC: 821566016737 In the Box Astell&Kern A&norma SR15 Portable High-Resolution Audio Player (Dark Gray) Limited 1-Year Warranty Table of Contents
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Technical parametersAstell&Kern SR15 Specs | | | DAC | 2 x Cirrus Logic CS43198 24-Bit | | External DAC Functionality | Yes | | Audio Resolution | PCM: 192 kHz / 24-Bit
DSDNative: 2.8 MHz / 1-Bit
DSD128: 5.6 MHz / 1-Bit | | Frequency Response | 20 Hz - 20 kHz±0.03 dB (Unbalanced Headphone Out)
20 Hz - 20 kHz±0.024 dB (Balanced Headphone Out)
10 Hz - 70 kHz±0.038 dB (Unbalanced Headphone Out)
10 Hz - 70 kHz±0.065 dB (Balanced Headphone Out) | | Impedance | 1.6 Ohms (Balanced Headphone Out)
1.1 Ohms (Unbalanced Headphone Out) | | Volume Control | Digital | | THD + N | 0.0008% at 1 kHz (Unbalanced)
0.0009% at 1 kHz (Balanced) | | Signal to Noise Ratio | 122 dB (Balanced)
122 dB (Unbalanced) | | Clock Jitter | 45 ps | | Crosstalk | 137 dB at 1 kHz (Unbalanced Headphone Out)
137 dB at 1 kHz (Balanced Headphone Out) | | | | CPU | Quad-Core | | Internal Storage Capacity | 64 GB | | Maximum Storage Capacity | 400 GB | | Flash Media Slot | 1 x microSDXC | | Display | 3.3" LCD (480 x 800 Resolution) | | Operation Method | Physical Buttons, Touchscreen, Volume Wheel | | | | FM Tuner | No | | Video Recording | No | | Formats Supported | Audio: WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF | | | | Wireless | Wi-Fi 4 (802.11n) | | Bluetooth Codecs | aptX HD | | Connections | 1 x 2.5 mm Balanced Headphone
1 x 1/8" (3.5 mm) Stereo Headphone
1 x Micro-USB 2.0 | | | | Battery | Built-In Rechargeable Lithium-Polymer Battery 3150 mAh | | | | Water Resistance | None | | Dimensions (W x H x D) | 2.3 x 3.9 x 0.6" / 57.5 x 99.7 x 16.1 mm | | Weight | 5.43 oz / 154 g | | | | Package Weight | 0.7 lb | | Box Dimensions (LxWxH) | 5.1 x 3.8 x 1.9" |
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