Astell&Kern to Launch Copper-Housing A&ultima SP4000T on October 17, 2026
The limited-edition digital audio player uses 99.98% pure copper for its housing and is priced at 693,000 yen, according to av.watch.impress.co.jp.
Astell&Kern will release the limited-edition digital audio player A&ultima SP4000T Copper on October 17, 2026, the company announced. The unit is priced at 693,000 yen.
The A&ultima SP4000T Copper uses copper with 99.98% purity as its housing material. A special multilayer coating is applied to the copper housing to prevent oxidation and improve durability.
The player is based on the A&ultima SP4000T, which features a quad configuration of the Raytheon JAN6418 vintage vacuum tube and a triple amp system with triple TUBE mode. The limited-edition model is branded under the A&ultima line, with Ayuuto listed among the related entities.
The launch was reported by av.watch.impress.co.jp.
Quick answers
When does the A&ultima SP4000T Copper go on sale?
It launches on October 17, 2026.
How much does the A&ultima SP4000T Copper cost?
It is priced at 693,000 yen.
What makes the A&ultima SP4000T Copper different from the standard model?
The Copper edition uses a housing made of copper with 99.98% purity, with a special multilayer coating to prevent oxidation and improve durability.