Astell&Kern AK320
Product code: ASTEL-AK320 | ID: 233165
Compact high-res digital audio player. AK320 is capable of bit-to-bit playback up to 24bit, 192kHz. 32bit audio is downsampled using a sample-rate converter (SRC). In addition, DSD 64/128 can be played back via conversion to PCM. A parametric equalizer (PEQ*1) was implemented in the AK380 to deliver detailed adjustment of the original sound, and an audio digital signal processor (DSP) was added to aid in this process. Parametric equalization refers to the ability to increase or decrease the volume within the Q value range. A Q value is a frequency range relative to a selected frequency. The frequency range decreases when the Q value increases and vice versa. Graphic equalization divides the audible frequency register into several registers and increases or decreases the level of each register with a volume slider to adjust the respective frequency's characteristics. The switches of the volume slider are connected like a graph to visually determine the frequency characteristics, hence the name ''graphic equalizer.'' Astell&Kern implemented a voltage-controlled crystal oscillator (VCXO) high-precision clock with a reference jitter value of 200 femto seconds 3. Femto clocks are commonly used in high-end audio systems, and the clock is measured in high-precision femtosecond units (one quadrillionth of a second). Frequency response: +/- 0,053 dB (20 Hz - 20 kHz) // +/- 0,56 dB (10 Hz - 70 kHz). Max. SPL: 116 dB / 1 kHz. Impedance: 1 / 2 Ohm. Dimensions 75,15 x 112,4 x 16,45 mm. Weight: 217 g.
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