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| Type | Stereo Preamplifier | 
|---|---|
| Power Output | N/A (Preamplifier) | 
| Tube Quantity | 4 | 
| Tube Type | 12AX7 | 
| Frequency Response | 20Hz to 20kHz | 
| Total Harmonic Distortion | Less than 0.1% | 
| Input Impedance | 47k ohms | 
| Inputs | Phono, Tuner, Aux | 
| Outputs | Tape Output | 
| Power Requirements | 117V AC, 60Hz | 
Details various input signal paths including auxiliary and phono, along with tone and volume controls.
Illustrates the vacuum tube circuitry (12AU7, 12AX7) used for signal amplification and equalization.
Depicts the power supply components and voltage distribution for the preamplifier operation.