Audio Research D-400 specifications

Brand: Audio research

• Power Output: 200W into 8Ω (stereo)
• Frequency Response: 4Hz to 100kHz
• Distortion:
• Damping Factor: 150
• Speaker Impedance: 4Ω (minimum)
• Input Sensitivity: 1.91V
• Signal to Noise Ratio: 106dB
• Dimensions: 480 x 228 x 450 mm
• Weight: 33.2 kg
• Year: 1991
• Price: USD $4,995 (1992)