Features Four pairs of EL34 output tubes operate in Class AB1 design. 90 watts per channel. 180 watts-two channels. Minimal negative feedback with precision. RC circuitry for more linear performance. Extended frequency range C-core audio output transformers. 8 power tubes are individually biased. Remote volume control.  All-aluminum chassis. Chassis finish: black or silver.  Specifications Vacuum tubes: EL34x 8,12AU7 x 4. Output power: 90w x 2 channels.  Input sensitivity: 800mv. Input impedance: 100kΩ. Harmonic distortion: <0.03%.  Frequency response: 8HZ - 96KHZ -1dB. S/N ratio: 96dB.  Input: 4 sets. Speaker output impedance: 4 or 8 ohms.  Power consumption: 270 watts. Dimensions: 43L x 33W x 21.2H (cm).  Operating Voltage: 100-120VAC. 50Hz/60Hz (220-240VAC 50Hz/60Hz).  Weight: 27.5kg.         Specifications subject to change without notice.