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Audio Research Reference 250

Monaural Power Amplifier (2011-15)

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Audio Research Reference 250

Specifications

Power output: 250W (mono)

Frequency response: 1Hz to 110kHz

Total harmonic distortion: 0.5%

Damping factor: 10

Gain: 25.5 dB

Input sensitivity: 2.4V

Signal to noise ratio: 110dB

Speaker load impedance: 4Ω to 16Ω

Valve complement: 8 x KT120, 2 x 6H30, 1 x 6550C

Dimensions: 483 x 222 x 495mm

Weight: 33.2kg

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