CS55A Specifications

Frequency Range: 5Hz ~ 48kHz (-3dB)
Output power (RMS) at 4 and 8 ohms: 40W + 40W
Ultra Linear, 22W + 22W triode 
Distortion: (THD): 1% (1 kHz) 
Signal to Noise Ratio: 92 dB Input
Impedance: 100 kOhm Input
Sensitivity: 280mV
Tubes: 12AX7 / ECC83 × 2, 12AU7 / ECC82 × 2, KT88 / EL34 × 4
Included: Remote control, Integrated Bias Meter
Inputs: 3 x Line, or optionally 1 x Phono MM, 2 x Line
PHONO: Input Sensitivity: 3mV Input impedance: 47kΩ Gain: 40dB
Signal to Noise Ratio: 68dB
USB DAC Specifications: Compatible with Audio Class 1.0 and Audio Class 2.0, Word Length: 16-32bits Sampling rate: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz
Operating system: Windows XP, Windows Vista, Windows 7, Windows 8, Mac OS
Circuit: Class A / B
Housing Colour: anthracite metallic
Bezel: Silver or Black
Speaker Impedance: 4 Ohm, 8 Ohm
Maximum power consumption: 270 watts
Dimensions (W x D x H): 360mm × 334mm × 180mm
Weight: 17 kg