Cayin is one brand name of Zuhai Spark, a Chinese hi-fi specialist operation. Its amps are all valve-based designs running the gamut from relatively pedestrian valves, like the KT88 and EL34, to Cayin CS-55A Tube Integrated Amp & USB DAC: Special Introductory Price of Only $2199! You Save $300! Limited Time Only! The State-of-the-Art Cayin CS-55A Tube Integrated Amp boasts 38 watts per channel, a USB DAC, Phono Output, Front Headphone Output and a Sweet, Sweet Sound! CAYIN CS-55A The wait is over Finally replacing the legendary Cayin A-50T is the new CS-55A integrated amplifier. Rated at 40-watts per channel into 8? in Class AB ultra-linear mode; The CS-55A is an all-rounder that will fit into many new hi-fi lovers' homes. Stereophile has reviewed two integrated amplifiers from Chinese manufacturer Cayin in the past: the A-50T, which I wrote about very positively in March 2008, and the A-300B, which Art Dudley reviewed in February 2007.So when I read about Cayin's $2195 SP-10A integrated amplifier, which has a wood-covered sleeve, just like the old Marantz and McIntosh gear and offers 38 watts of push-pull power The CS-55A is the most recent advancement in tube amplifier technology created by Cayin. This state-of-the-art machine boasts forty watts per channel by using 4 KT88 tubes in Class AB ultra-linear push pull amplification. Cayin Tube Integrated Amp CS-55a in good clean condition. A versatile amp that play phono, usb computer streaming, CD, and all the tubes interchangeable from El34 &kt88 -hand made construction point to point wiring -triode and UL selection -come with remote control -built in phono stage for the vinyl -a dedicated headphone output -USB DAC to connect computer to stream music through it -2 line The Music Room is the go-to source for the very best in new, used and vintage home audio products. The Music Room is now the largest online retailer of pre-owned HiFi equipment in the world. Headquartered in beautiful Erie Colo