| Signal Path | Analog Hardware |
| Dimensions | 25.4 × 12.1 × 16.5 cm (W × H × D) |
| Weight | 12lbs (Shipped) |
| Power | 117VAC, 50/60Hz 50W |
| Frequency Response | 20Hz-20kHz ±1dB |
| Output Power ("Hi-Fi") | 14W |
| IHFM Music Power Output (0.7% THD, 1kHz) | 16W |
| Impedance Load | 4/8/16Ω |
| Input Sensitivity | 0.7V |
| THD (16W) | 2% |
| IMD (16W, 60Hz:6kHz, 4:1) | 2% |
| SNR (14W) | 73dB |
| Damping Ratio | Unity or 15.66 (User Selectable) |
| Output Tube | EL84 (6BQ5) |
| Finish | Black and Ivory |
| Tube Complement | EL84 (6BQ5 (x2), 6AN8, EZ81 (6CA4) |
| MSRP (1961) | $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-2 |
| Notes | Updated UA-2 |
