onlychild
500+ Head-Fier
- Joined
- Jan 24, 2008
- Posts
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- 263
Name of product | Astell & Kern AK380 | |
Body color | Meteor Rick titanium | |
Recording medium | Built-in capacity | 256GB (NAND flash) * including system area |
Expansion slot | microSD card slot × 1 slot (up to 128GB) | |
Audio | File format | WAV, FLAC, MP3, WMA, OGG, APE, AAC, ALAC, AIFF, DFF, DSF |
Sampling rate | 8kHz, 16kHz, 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz (all native playback) | |
DSD native: DSD64 (1bit 2.8MHz), stereo / DSD128 (1bit 5.6MHz), stereo | ||
Quantization bit rate | 8bit, 16bit, 24bit, 32bit (all native playback) | |
Bit rate | FLAC: 0 ~ 8, APE: Fast ~ High, MP3 / WMA: up to 320Kbps, OGG: Up to Q10, AAC: up to 320Kbps | |
D / A converter | AKM (Asahi Kasei), Inc. AK4490 × 2 (Dual DAC) | |
Input terminal | USB microB terminal (charging and data transfer) | |
Output terminal | Earphone (unbalanced) output / optical digital output (3.5mm), the balance output (2.5mm / 4-pole) | |
Output Level | Unbalance 2.1Vrms, balance 2.3Vrms (no load) | |
Output impedance | Unbalanced output (3.5mm) 2Ω / balanced output (2.5mm) 1Ω | |
Frequency characteristic | ± 0.053dB (20Hz ~ 20kHz imbalance and balance), ± 0.56dB (10Hz ~ 70kHz imbalance), ± 0.55dB (10Hz ~ 70kHz balance) | |
S / N ratio | 116dB (unbalanced) / 117dB (balance) (1kHz) | |
Stereo crosstalk | 130dB (unbalanced) / 135dB (balance) (1kHz) | |
THD + N | 0.0008% (unbalanced) / 0.0007% (balance) (1kHz) | |
IMD | 0.0007% 800Hz 10kHz (4: 1) imbalance / 0.0006% 800Hz 10kHz (4: 1) balance | |
Clock jitter | 30ps (typ) | |
Wi-Fi | Standard | IEEE 802.11 b / g / n (2.4GHz) |
Bluetooth | Version | 4.0 |
Profiles | A2DP, AVRCP | |
Corresponding OS * 7 | Windows® 8 / 8.1 (32bit / 64bit), 7 (32bit / 64bit), XP, Mac Os X 10.7 or more | |
Power supply | Battery | Built-in lithium polymer battery (3,400mAh / 3.7V) |
USB | Shape | microUSB (5pin) |
Connection system | MTP (media device) system | |
Screen | Display | 4-inch capacitive touch screen |
Resolution | WVGA (480 × 800 dots) | |
Size (W × H × D) | About 79.8 × about 112.4 × about 17.5 (mm) | |
Weight | About 218g | |
JAN | 4549325015680 | |
Model number | AK380-256GB-MT |
. I asked - they laughed.
A cautious laugh, I'd say. I thought it sounded very, very good through the balanced AK T5p...with or without SS. These guys are serious - one of the best stands on the show. Loved the Jnr through AK Ed 5s as well. Sony? How the mighty have fallen.Was it an evil laugh?
I wouldn't dare attempt to draw any meaningful conclusions - too noisy and unfamiliar pgm material. Aesthetically it develops the AK240 form very successfully - a little larger, bigger screen, 3400mAh over the 240's 3250. Crucially, to my eye at least, the whole appearance is more balanced and less lopsided than the 240. The plug in amp is awesome design - adios Hugo, rubber bands and awkward cabling. Different DACs; AKM4490 instead of Cirrus 4398.Since you were there & you managed to ask that qns, you should share your initial impressions of the AK380 over here.
Very, very good?
Could you elaborate a little bit more on that?
I know, I have a ZX2 and love it.Zx2 sounds very good, it is comparable to my AK240.
I
I know, I have a ZX2 and love it.
I've only had it 3 days, so not done burning it in. Straight out of the box, it sounded very good. Nice separation, a bit more bass than the 240. Feels great in my hand, amazing battery life. Amp section not quite as strong as the 240, but acceptable. Great detail retrieval.
fallen in the sense that Sony were nowhere to be seen, sadly given the amount of effort they've put into hi-res and 2ch audio lately.I guess I misunderstood your post, it seemed like you weren't enjoying the zx2, as in Sony were the mighty that were falling.