Key features
- Dual RAYTHEON JAN6418 MIL-SPEC Vintage Vacuum Tubes
- Our TRIPLE AMP SYSTEM allows listeners to select the right tones for their music
- Three levels of voltage with Tube Current option
- Stainless steel with 99.9% pure silver plating
- Separate digital and analog signal processing (AK4191EQ x2 / AK4499EX x2)
- VU Meter
- High-performance Qualcomm Snapdragon CPU
Developing the extremely popular A&ultima SP3000 , Astell &Kern has
combined the best qualities of its current flagship player with the warm sound
of tube amplification. The SP3000T features Astell&Kern’s triple
amplification system, first introduced in 2021 on the A&ultima SP2000T, which
allows users to customize their audio profile using tube amplification, a
digital op-amp, or a hybrid combination of tube and op-amp.
All three modes are available when using the 2.5mm, 3.5mm or 4.4mm outputs.
What is it?
Analog Warmth, Digital Precision
Astell &Kern’s ethos of producing immersive sound from high-resolution
original music stands as a testament to the spirit of innovation and
excellence embodied in the A &ultima series. Our goal was to surpass the
impeccable design and high-resolution sound of our previous product, the
SP3000 , by crafting an audio player that truly captures the emotion and
resonance of music. Developed with this vision in mind, the A &ultima
SP3000T channels the profound emotion and lasting essence of analog audio.
The integration of a real vacuum tube creates an authentic analog sound
complemented by cutting-edge audio technology such as TERATON ALPHA for an
immersive auditory experience. Introducing the A&ultima SP3000T — a
portable audio player that defies convention, offering a unique fusion of
analog and digital excellence.
True Analog Sound with Real Vacuum Tube
The original vacuum tube is known for its warm sound, attributed to its
distinctive rich harmonics, which have cemented its status as a cherished
component of Hi-Fi audio. However, its impracticality in terms of
miniaturization, primarily due to power control and footprint issues,
presented a formidable obstacle, rendering it unsuitable for use in portable
audio players. In Astell &Kern’s unyielding quest for innovation, we
refused to settle for conventional sound and design, and instead worked to
bridge the gap between stationary and portable audio by infusing the essence
of analog sound into our devices. These efforts eventually culminated in the
pairing of the SP3000T with the RAYTHEON JAN6418 Miniature vacuum Tube.
The RAYTHEON JAN6418 is a mini vacuum tube popular among audiophiles. Designed
to meet military specifications and traditionally used in military
communication equipment, it quickly garnered recognition for its distinctively
warm and soft sound, leading to its integration into regular audio devices.
Sound Craftsmanship for the Ultimate Vacuum Tube Sound
Due to inherent differences in noise and amplification among original vacuum
tubes, Astell &Kern adopted a meticulous selection process to adhere to
our philosophy of addressing even the minutest differences in sound quality.
Astell &Kern carefully measures and pairs each JAN6418, a difficult
process demanding both time and precision. This thorough selection method
minimizes output deviation between the left and right channels, resulting in
more natural sound reproduction. Every shielding operation on the vacuum tube
is carefully executed by hand to minimize potential noise interference. Thanks
to our unwavering dedication to sound craftsmanship, we have successfully
brought the distinctive spatial sense and balance found in our existing audio
players into the analog realm of vacuum tube sound.
SP3000T Copper
Astell &Kern always strives to create more than just sound, focusing on
excellence in sound quality. TheSP3000T COPPER Edition demonstrates this
philosophy by delivering exceptional sound characteristics. Copper, known for
its excellent sound transmission and resonance properties, typically enhances
the brightness and richness of tones in musical instruments. This quality has
been repeatedly validated in Astell &Kern products using copper for its
outstanding electrical conductivity and high shielding performance. Copper,
because of its material properties, oxidizes and discolors upon contact with
air. The SP3000T COPPER Edition utilizes over 99.98% pure copper with a
special multilayer coating that enhances durability, ensuring it maintains its
beautiful color and luster without requiring special maintenance. Created
using proven Astell &Kern technology, the SP3000T COPPER Edition
offers more than just music—it provides an emotional experience beyond music.
We invite you to experience the emotions delivered by the pure original sound
of theSP3000T COPPER Edition.
What’s in the box?
- Astell & Kern A&ultima SP3000T High-Resolution Music Player
- Shrunken Calfskin Case
- Limited 1-Year Manufacturer Warranty

































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