AKM Releases AK4493, Upgrade to the AK4490, the Best Selling Premium High-End DAC

32-bit Stereo Premium D/A Converter for High-end Audio introduced in CES 2018

TOKYO — (BUSINESS WIRE) — December 8, 2017Asahi Kasei Microdevices Corporation (AKM) has developed the AK4493EQ, a 32-bit stereo premium D/A converter, and it will be available on the market in Jan. 2018, as an upgrade from the AK4490EQ, which is adopted by many audio products since it was launched in 2014.
The AK4493EQ adopts improved VELVET SOUND architecture, achieving high performances even greater than the AK4490EQ by optimizing the circuit design. The AK4493EQ also adopts AKM’s same original dedicated audio process as the flagship DAC, the VERITA AK4497EQ. This process has improved the original acoustic sound expression that can be found in the sound strength and the data amount. In addition, the AK4493EQ corresponds to the high-resolution sound sources, accepting a 22.4MHz DSD input at the maximum.

This press release features multimedia. View the full release here: http://www.businesswire.com/news/home/20171208005024/en/

"VELVET SOUND(TM)" Premium 32bit DAC AK4493EQ (Photo: Business Wire)

"VELVET SOUND(TM)" Premium 32bit DAC AK4493EQ (Photo: Business Wire)

The AK4493EQ will be introduced in CES 2018 that is held from 9th Jan. 2018 at Las Vegas, NV, USA. More detailed information and listening demonstration will be available.

Features

1. Dynamic Sound Playback with Large Amounts of Playback Information: VELVET SOUND architecture is improved

Not only the circuit design, but also the LSI manufacturing process was developed at AKM exclusively for AKM’s audio devices. The AK4493EQ adopts this process, improving low frequency noise performance and electric margin.
32-bit processing is integrated for the IRD, (Impulse Response Designed), filter, reproducing a detailed and natural signal wave. A harmonic sound filter was newly added to the existing five filters found in our previous generation device. So, six different digital filter types are selectable according to the user’s audio and system preferences.

2. Even Higher Performance than the AKM’s Best Selling DAC, the AK4490EQ

Low-distortion technology achieves -113dB THD+N DAC with a 123dB* S/N characteristic. The AK4493EQ has higher performance than the AK4490EQ. In addition, OSRD, (Over Sampling Ratio Doubler), technology greatly reduces out of band noise.
* 126dB in Mono mode.

3. Supporting High Resolution Data

An industry first, a 22.4MHz DSD input is now supported. The digital input supports up to 768 kHz PCM and 22.4 MHz DSD, (Direct Stream Digital), recreating high-resolution sound that is as close as possible to the original acoustic source.

About AKM

Asahi Kasei Microdevices Corporation (AKM) is a Japan-based company designs and manufactures CMOS mixed signal integrated circuits and magnetic sensors for applications including audio, multimedia, consumer electronics, industrial infrastructure, and telecommunications. AKM has continued to provide customers with optimum solutions all over the world for over 30 years. AKM Semiconductor, Inc., located in San Jose, California, is a wholly owned subsidiary of AKM, and offers sales, marketing, and design support for North American customers. Additional information is available at www.akm.com

* AKM and VELVET SOUND™ are trademarks of Asahi Kasei Microdevices Corporation in Japan, Europe and the United States.
* Appellations, company names and product names on this page are trademarks or registered trademarks of respective companies.



Contact:

Media Inquiries:
Asahi Kasei Microdevices
Gaku Suzuki, +81-3-3296-3953
Silicon Solution Business Unit
Email Contact
Customer Inquiries:
Inquiries on akm.com
URL: https://www.akm.com/akm/en/support/inquires/




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