Audio Research HD220 Hybrid Power Amplifier

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Specifications

Power output: 220 watts per channel into 8Ω (stereo)

Frequency response: 0.5Hz to 200kHz

Gain: 20.8 dB

Input sensitivity: 4V

Signal to noise ratio: 112dB

Speaker load impedance: 4Ω (minimum)

Valve complement: 2 x 6H30, 2 x 6922

Dimensions: 483 x 222 x 495mm

Weight: 26.8kg