Astell&Kern SP4000 Color:Silver Specification Value Type MM valve

Specification Value Type MM valve phono preamplifier

open-back Transducer type Electrostatic Electrode technology MLER (Multi-Layer-Electrode) Frequency response 7 Hz - 41 kHz Energizer requirement Pro bias (5-pin) Weight 474g (without cable) What Reviewers Say

Specification Value Type Directly heated twin diode rectifier (274B) Filament voltage / current 5V / 2A (AC) Maximum plate voltage 660V Maximum DC output current 225 mA Maximum transient current 2

The Abyss Diana MRx is a ground-up redesign of one of Abyss's most beloved headphones

The Reference 8 is an eight-conductor IEM cable combining four high-purity silver-plated copper (SXC) conductors with four OCC copper conductors

Astell&Kern SP4000 Color:Silver Specification Value Type MM valveThe Astell&Kern SP4000 is the A&ultima flagship digital audio player, a three year evolution beyond the SP3000, built around a true Quad DAC implementation using four AK4191EQ digital processors each paired one to one with a single AK4499EX DAC. A 904L stainless steel chassis, full Android OS with Astell&Kern's proprietary ADP bit perfect streaming path, and a 6 inch 2K display make it the most technically ambitious portable music player Astell&Kern