| Form Factor | Tabletop |
| Signal Path | Analog Hardware |
| Dimensions | 92.1 × 23.9 × 43.2 cm (W × H × D) |
| Weight | 80lbs |
| Power | 115/125VAC, 50/60Hz 120W |
| Frequency Response | 20Hz-20kHz ±1dB |
| Source Impedance (Mic) | 50Ω, 150Ω, 300Ω, 600Ω |
| Source Impedance (Line) | 600Ω |
| Output Impedance (Line) | 500/600Ω |
| Load Impedance (Monitor) | 500/600Ω |
| Gain (Mic) | 100dB |
| Noise Level (Mic, +24dBm, 70dB Gain) | 74dB |
| Noise Level (Mic, +39dBm, 90dB Gain) | 69dB |
| THD (Program, +24dBm, 50Hz-15kHz) | 1% |
| THD (Monitor, +39dBm, 50Hz-15kHz) | 1% |
| Output Level (Program) | +24dBm |
| Output Level (Monitor) | 8W |
| Tube Complement | 5879 (x10), 6AQ5 (x4) |
| Tube Complement (P-522A) | 6X4 (x2) |
| Finish | Gray |
| Notes | Circuit revisions. Changes to source impedance options |
