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General| Type | Quadraphonic Receiver |
|---|---|
| Tuning Range | FM, MW |
| Input Sensitivity (Phono) | 2.5 mV |
| Input Sensitivity (Line/Aux) | 150 mV |
| Signal-to-Noise Ratio (Phono) | 70dB |
| Signal-to-Noise Ratio (Line/Aux) | 85 dB |
| Signal to noise ratio (line) | 85 dB |
| Channel separation (line) | 50 dB |
| Speaker load impedance | 4-16 ohms |
| Dimensions | 17.5 x 5.5 x 14 inches |
| Weight | 35 lbs |
| Power Output (Quadraphonic) | 25 watts per channel (4 channels, 8 ohms, 1kHz) |
| Power Output (4 channels driven) | 25W |
| Frequency Response | 20Hz to 20kHz |
| Total Harmonic Distortion (THD) | 0.5% |
| Total Harmonic Distortion (THD, 4 channels driven) | 0.8% |
| Channel separation (MM) | 50dB |
Details DC offset and bias current adjustments for the driver circuits.
Steps for aligning the Intermediate Frequency stages of the FM tuner.
Diagnosing issues with the power supply section.
Diagnosing common audio problems.
Diagnosing issues within the RF and tuner sections.
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