Audio Research D-51 specifications

Brand: Audio research

• Power Output: 50W into 8Ω (stereo)
• Frequency Response: 15Hz to 30kHz
• Distortion: 1.0%
• Damping Factor: 14
• Speaker Impedance: 4 to 16Ω
• Input Sensitivity: 1.5V
• Signal to Noise Ratio: 80dB
• Dimensions: 19 x 7.5 x 12.25"
• Weight: 50 lb
• Year: 1972
• Price: