Astell&Kern launches Universal Portable Hi-Fi headphone Amplifier AK PA10

Thanks to CTOnews.com netizen for witty BLACK clue delivery! CTOnews.com December 16 news, Astell&Kern is South Korea's Aliho company in 2012 dedicated to Hi-Fi enthusiasts launched a high-end brand, the brand mainly to promote MQS-level lossless music and sales of portable Hi-Fi lossless music players as the core business.

Today, Astell&Kern announced the launch of its first general-purpose portable Hi-Fi headphone amplifier with Class A (Class A) amplifier circuit: AK PA10, but it is unclear whether the Bank of China pricing and launch time, overseas is 550 US dollars/ 549 pounds/ 629 euros.

According to introduction, this is a universal portable Hi-Fi amplifier with Astell&Kern's signature polygon three-dimensional design and TERATON ALPHA technology, which can be matched with most commercially available earplugs and headphones.

AK PA10 has a compact body, adopts a fully mechanical key combination, and internally adopts Class A amplifier circuit and TERATON ALPHA technology. CTOnews.com learned that AK PA10 can achieve up to 6.2Vrms output at high gain when using 4.4mm balanced inputs.

[AK PA10 Product Summary]

Frequency Response (Frequency Response)

- [Low Gain] ±0.2dB (20Hz~20kHz) Unbalanced / ±0.2dB (20Hz~20kHz) Balanced

- [High Gain] ±0.06dB (20Hz~20kHz) Unbalanced / ±0.06dB (20Hz~20kHz) Balanced

Signal to noise ratio (S / N)

- [Low Gain] 111dB @ 1kHz, Unbalanced / 115dB @ 1kHz, Balanced

- [High Gain] 114dB @ 1kHz, Unbalanced / 117dB @ 1kHz, Balanced

THD + Noise (THD+N)

- [Low Gain] 0.0045% @1kHz, Unbalanced / 0.0015% @1kHz, Balanced

- [High Gain] 0.0027% @1kHz, Unbalanced / 0.0013% @1kHz, Balanced

Crosstalk

- [Low Gain] -83dB @ 1kHz Unbalanced / -110dB @ 1kHz Balanced

- [High Gain] -83dB @ 1kHz Unbalanced / -110dB @ 1kHz Balanced

Output Impedance

- 3.5mm (1.1ohm)

- 4.4mm (1.3ohm)

Analog inputs

- Unbalanced 3.5mm

- Balanced 4.4mm

Headphone Outputs

- Unbalanced 3.5mm

- Balanced 4.4mm

Input Max Level

- Unbalanced 2Vrms

- Balanced 4Vrms

Output Level

- [Low Gain] Unbalanced 2.1Vrms / Balanced 4.2Vrms (Condition No Load)

- [High Gain] Unbalanced 3.1Vrms / Balanced 6.2Vrms (Condition No Load)