QULOOS MUB5 R2R Portable DAC/AMP Limited Edition the Stealth took four years

the Stealth took four years of development to achieve a closed-back presentation that genuinely rivals open-back headphones at its price level

Originally introduced in 2009 and updated to the 2nd generation in 2018

and new gold-plated magnet system derived from the AC-4F Gold to achieve higher resolution with even more finesse

tight bass with no overhang

Specification Value Type NOS R2R DAC with valve output stage DAC chip Philips TDA1543 Output tube 1x 6N6P double triode Rectifier tube 1x 6X5GT or 5Y3 Topology Class A

QULOOS MUB5 R2R Portable DAC/AMP Limited Edition the Stealth took four yearsThe Quloos MUB5 is a high end portable R2R DAC and headphone amplifier built around a precision 19+5 segmented resistor ladder architecture using 178 resistors matched to 0. 01% tolerance, an unusually ambitious engineering approach for a portable device, delivering the natural, musical character of discrete R2R conversion in a form factor designed for desktop and on the go use. Available in Titanium and Titanium Gold. Type and Technology Portable R2R