| Signal Path | Analog Hardware |
| Dimensions | 34.3 × 12.4 × 15.2 cm (W × H × D) |
| Weight | 9lbs (Shipped) |
| Power | 105-125VAC, 50/60Hz 19W |
| Frequency Response | 20Hz-2kHz ±1dB, +7dB Pre-emphasis at 9.5kHz |
| Tuning Range | 550kHz-1.6MHz |
| IF Frequency | 455kHz |
| Sensitivity (20dB Quieting, IHFM, 1kHz) | 8µV |
| Output Impedance | 5kΩ |
| Input Signal (1V, 30% Modulation) | 2.5µV |
| SNR (500µV, 30% Modulation, 400Hz) | 40dB |
| Image Ratio (1kHz) | 50dB |
| Harmonic Distortion (750µV, 95% Modulation) | 1% |
| IF Rejection (1kHz) | 35dB |
| Finish | Charcoal Grey and Ivory |
| Tube Complement | 6BA6 (x2), 6BE6, 12AU7 |
| MSRP (1961) | $29.95 |
| Channels | 1 Channel |
| Links | Predecessor: AJ-20 · Successor: AJ-53 |
| Notes | Updated AJ-20 |
