National SA-420 specifications

Brand: National

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• Tuning range: FM, MW
• Power Output: 8W into 8Ω (stereo)
• Frequency Response: 15Hz to 100kHz
• Distortion: 0.8%
• Damping Factor: 30
• Speaker Impedance: 4Ω (minimum)
• Input Sensitivity: 2.5mV (mm), 150mV (line), 20mV (cer)
• Signal to Noise Ratio: 60dB (mm), 70dB (line)
• Line Output: 150mV (line)
• Dimensions: 16.5 x 4.75 x 13"
• Weight: 15.5 lb
• Year: 1973
• Price: