5
Preparation
Introductions
HP-A8C is a DAC headphone amplier with high eciency, high-quality sound. You can
enjoy high-quality digital audio signals from your computer or from a digital audio player.
Features of the HP-A8C
• Headphone amplier equipped with high-quality sound 32bit-DAC (AK4399) and all discrete circuit.
• Supports a sampling frequency of up to 32 bit/192 kHz through in house developed USB driver. In
addition, supports DSD 2.8 MHz (DoP/ASIO).
• Eliminates the jitter caused by low accuracy of the source clock of the computer etc. by using the
asynchronous mode of a high precision TCXO (temperature compensated crystal oscillator) clock.
• Equipped with high-quality sound, high-accuracy electronic volume for audio level control.
• Equipped with a large capacity toroidal power transformer.
• Computers, and digital and analog audio devices can be used as the input source.
• Plays DSF les, WAV les and AIFF les on an SD (SDHC) card directly using built-in SD (SDHC) card
drive. The drive can also be used for future updates.
• Equipped with an analog output terminal (RCA pin jack).
• Both the internal clock and the external clock are available for the master clock (only for SPDIF).
• 2x or 4x upsampling function (can also be turned o ).
• Switchable digital lter.
• 24 level gain settings for headphone output.
• Direct analog output that does not pass through the volume.
• Equipped with an infrared remote controller.
• Equipped with an organic EL display.
• Equipped with independent clocks for 44.1K factor and 48K factor.
Accessories
Supplied accessories are listed below. Conrm that accessories are present after purchase.
• Remote controller × 1
• Power cord × 1
• Owner's Manual (this book) × 1
• Safety information sheet × 1