Audio Research
First released in 1972
Dual 51
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If you make a purchase, Linephaze may receive an affiliate commission.Specifications
Power Output (16Ω/8Ω/4Ω/2Ω)50W / 50W / 50W / -
amplification technologyVacuum Tube
typeStereo
speaker load impedance4,8,16Ω
Input Impedance80k–30kΩ(f)
Input Sensitivity1.5V
Signal to Noise Ratio80dB
Total Harmonic Distortion0.01
Dimensions (W x H x D)483×190×311
Weight22.6 kg