Astell&Kern AK380 Copper + AMP // High Resolution Music Player w/ AMP

$ 4,999.00

Astell&Kern AK380 Copper + AMP // High Resolution Music Player w/ AMP

$ 4,999.00

Astell&Kern has stayed on the course, offering the truest and most natural sound possible. The new AK380 offers the most authentic sound from any digital music format with enhanced features that are sought-after by Pro-Audio.

  • 32bit 384kHz Bit to Bit Playback
  • Native DSD (up to 5.6 MHz) Playback
  • Parametric EQ with 20-band 0.1dB
  • 200 Femto Second VCXO Reference Clock
  • Scalable Amp
  • DNLA-based AK Connect App
  • Metal Touch Sensor Home Button
  • Free shipping on all orders.
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SKU: AK380C+AMP
Categories: Combos

When Music Becomes More Than Just Sound

Every bit of the AK380 was designed for Pro-Audio in mind.

The sound that Pro-Audio people have been looking for starts with the AK380.

Copper, as an alloy with tin, nickel, or zinc, is used as a raw material for wind instruments, which form the central part of an orchestra. These wind instruments transmit deep and heavy sounds through tubes of copper alloys.

Sound with a sense of depth
Sound with a sense of weight
Sound with a greater balance

In addition, copper is the second most electrically conductive1 metal after silver. With superior electrical conductivity and shielding performance than typical metals, the AK380 Copper is able to deliver a different sound signature than the existing duralumin-based AK380.

* The copper used in the AK380 Copper boasts a 99.9% pure elemental property.

The primary goal of Astell&Kern has always been to deliver the original sound.
We’re proud to introduce the AK380 AMP, an amplifier that supports high-impedance headphones and high-gain output while remaining faithful to the original sound.

More Expandable Options

The AK380 offers great expandable options through its micro USB connection and balanced out ports on the bottom of the unit.

The AK380’s functionality is expandable by connecting to a variety of devices. You can increase the output and connect to a greater variety of high-impedance professional headphones through the upcoming AK380 Amp. The AK380 Cradle features balanced output in addition to USB data transfer and charging capabilities, and the AK380 CD-ROM drive rips audio CDs directly to the AK380.

32-bit 384kHz bit-to-bit Playback

All of the AK380’s circuit design including the digital-analog converter (DAC) are ready for 32-bit processing to handle 32-bit music natively.

Other products have traditionally used sample rate converter (SRC) method down sampling for playback. However, the AK380 is capable of playing back 32-bit, 384 kHz original sound without any down sampling.

The result is the AK380 plays up to 32-bit, 384 kHz, any 24-bit music files, or double layer DSD 5.6MHz natively, without conversion or compression.

PEQ (Parametric EQ)

Astell&Kern AK380 CopperA 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.

This frees up CPU cycles previously needed for calculating graphic equalizers (GEQ), allowing more detailed and accurate calculations via the dedicated DSP.

The audio DSP expands the existing 10-band, ±0.5 dB graphic equalizer (GEQ*2) to 20-band, ±0.1 dB to more precisely adjust the frequency and gain (dB) as well as more accurately specifying the frequency range via Q value adjustments.

* The PEQ supports up to 8 kHz – 192 kHz (8/16/24-bit) formats, but DSD and 32-bit audio are not supported.

AK Connect App

Astell&Kern has further enhanced DLNA functionality via the AK Connect app.

Wireless networking DLNA (version 1.0) connects to a NAS or PC, and is easily controlled with a smartphone or tablet through AK Connect.
Source files on a PC or NAS can be freely transferred and streamed without the hassle of turning on the computer and physically connecting with a cable.

If on the same access point (AP) network, music files on a PC or NAS can be played back via DLNA.

Pressure-sensitive Metal Capacitive Touch

The AK380 is the first Astell&Kern product to utilize a metal capacitive touch interface. The pressure-sensitive Metal Touch home button responds to fine pressure changes so users operate the device with just a light touch on the metallic pad.

The AK380 AMP was designed as an extension of the light and shadow theme of the AK380.

Continuing this design concept, the AK380 AMP retains the subtle changes and details in the emitted brilliance as light flows across its surface. The diamond pattern engraved into the volume wheel of AK380 is repeated on the amplifier’s rear light for design continuity.

The area of the amplifier in contact with the AK380’s volume wheel reproduces the design’s angle of reflection for comfortable wheel operation. The amplifier’s light shining delicately through the gaps in the reflected surface visually accentuate the music’s mystique.

AMP

Expansion-type amplifier with design unity.

3,400 mAh large-capacity battery.
8.1 VRMS high-gain balanced output.
4.1 VRMS unbalanced output.

Unlike conventional amplifiers, the AK380 AMP was designed from the ground up as a single entity when combined with the AK380. The wheel on the rear of the amplifier that connects the two devices is a representation of the volume wheel seen throughout Astell&Kern products and expresses our unique design identity.

High GainAstell & Kern AK 380 Copper Amp

The AK380 AMP supports 8.1 VRMS output when connected via high-gain balanced output.

Low Gain: Unbalance 2.1 Vrms / Balance 2.1 Vrms (Condition No Load)High GainUnbalance 4.1 Vrms / Balance: 8.1 Vrms (Condition No Load)

High-gain output is four times greater than low-gain output and supports high-impedance headphones.

To protect earphones/headphones during high output, the volume is automatically adjusted when the amp is powered on or the earphones/headphones are disconnected.
Furthermore, the gain can be easily adjusted via the AK380’s settings.

Amp powered on: Y

Earphones/headphones disconnected: Y

Gain changed: Y

Specifications

    Body Color / Copper
    Body Material / Copper
    Display /4inch WVGA (480 x 800) Touchscreen
    Supported Audio Formats / WAV, FLAC, WMA, MP3, OGG, APE(Normal, High, Fast), AAC, ALAC, AIFF, DFF, DSF
    Sample rate / PCM : 8kHz ~ 384kHz (8/16/24/32bits per Sample) / DSD Native: DSD64(1bit 2.8MHz), Stereo/ DSD128(1bit 5.6MHz), Stereo
    Output Level / Unbalance 2.2Vrms / Balance 2.3Vrms (Condition No Load)
    DAC / AKM AK4490 x2 (Dual DAC)
    Decoding / Support up to 32bit / 384kHz Bit to Bit Decoding
    Input / USB Micro-B input (for charging & data transfer (PC & MAC)) / Connection Mode : MTP (Media Device)
    Outputs / PHONES (3.5mm) / Optical Out (3.5mm) / Balanced Out (2.5mm, only 4-pole supported)
    Wi-Fi / 802.11 b/g/n (2.4GHz)
    Bluetooth / V4.0 (A2DP, AVRCP)
    Dimensions / 3.14 ”(79.8 mm) [W] x 4.42 ”(112.4 mm) [H] x 0.70 ”(17.9 mm) [D]
    Weight / 8.11 oz (230 g)
    Feature Enhancements / Firmware upgrades supported (OTA)

Audio Performance

Frequency Response / ±0.053dB (Condition: 20Hz~20kHz) Unbalance & Balance | ±0.56dB (Condition: 10Hz~70kHz) Unbalance / ±0.55dB (Condition: 10Hz~70kHz) Balance
Signal to Noise Ratio / 116dB @ 1kHz, Unbalance / 117dB @ 1kHz, Balance
Crosstalk / 130dB @ 1kHz, Unbalance / 135dB @ 1kHz, Balance
THD+N / 0.0008% @ 1kHz, Unbalance / 0.0007% @ 1kHz, Balance
IMD SMPTE / 0.0007% 800Hz 10kHz(4:1) Unbalance / 0.0006% 800Hz 10kHz(4:1) Balance
Output Impedance / Balanced out 2.5mm (1ohm) / PHONES 3.5mm (2ohm)

Clock Source

Clock Jitter / 30ps(Typ)
Reference Clock Jitter / 200 Femto Seconds

Battery

Capacity / 3,400mAh 3.7V Li-Polymer Battery

Memory

Built-in Memory / 256GB [NAND]
External Memory / microSD (Max 128GB) x1

OS

Supported OS / Windows XP, Windows 7,8 (32/64bit), MAC OS X 10.7 and up

AMP Specs

Model: AK380 AMP
Body Color: Copper
Body Material: Copper
Output Level: [Low Gain] Unbalanced 2.1 VRMS / Balanced 2.1 VRMS (Condition: No Load) / [High Gain] Unbalanced 4.1 VRMS / Balanced 8.1 VRMS (Condition: No Load)
Input: Type-B micro-USB Input (Charging & data transfer (PC & Mac)) / Connection Mode: MTP (Media Device)
Outputs: PHONES (3.5mm) / Balanced Out (2.5mm, only 4-pole supported)
Dimensions: 3.17 ”(80.7 mm) [W] x 5.01 ”(128.4 mm) [H] x 0.40 ”(10.3 mm) [D]
Weight: 5.82 oz (165 g)

Frequency Response: [Low Gain] ±0.06 dB (Condition: 20 Hz – 20 kHz) Unbalanced / ±0.06 dB (Condition: 20 Hz – 20 kHz) Balanced / [High Gain] ±0.03 dB (Condition: 20 Hz – 20 kHz) Unbalanced / ±0.03 dB (Condition: 20 Hz – 20 kHz) Balanced
Signal to Noise Ratio: [Low Gain] 110 dB @ 1 kHz, Unbalanced / 110 dB @ 1 kHz, Balanced / [High Gain] 113 dB @ 1 kHz, Unbalanced / 114 dB @ 1 kHz, Balanced
Crosstalk: [Low Gain] 108 dB @ 1 kHz, Unbalanced / 130 dB @ 1 kHz, Balanced / [High Gain] 108 dB @ 1 kHz, Unbalanced / 128 dB @ 1 kHz, Balanced

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