| Signal Path | Analog Hardware |
| Dimensions | 25.4 × 12.1 × 16.5 cm (W × H × D) |
| Weight | 13lbs (Shipped) |
| Power | 117VAC, 50/60Hz 55W |
| Frequency Response | 20Hz-20kHz ±1dB |
| Output Power ("Hi-Fi") | 14W |
| Output Power ("Professional") | 12W |
| Impedance Load | 4/8/16Ω |
| Input Sensitivity | 0.7V |
| THD (14W) | 2% |
| IMD (14W, 60Hz:6kHz, 4:1) | 1% |
| SNR (14W) | 73dB |
| Damping Ratio | Unity or 15 (User Selectable) |
| Output Tube | EL84 (6BQ5) |
| MSRP (1959) | $22.95 |
| Connections | - Input · RCA (Phono, Cinch) · Mono, Socket (Female), Unbalanced
- Output · Terminal Block · Mono
|
| Controls | - Input Level · Rotary Pot
- Power · Slide Switch · On/Off
- Damping Factor · Slide Switch · Unity/15
|
| Links | Predecessor: UA-1 · Successor: AA-61 |
