| Form Factor | Part |
| Signal Path | Analog Hardware |
| Dimensions | 5.7 × 10.8 × 25.4 cm (W × H × D) |
| Weight | 6lbs |
| Power | 117VAC, 60Hz 80W |
| Output Voltage (AC) | 6.3V |
| Output Current (AC) | 4.9A |
| Output Voltage (DC) | 250/260/270V |
| Output Current (DC, 270V) | 135mA |
| Output Current (DC, 260V) | 40mA |
| Output Current (DC, 250V, 270V) | 65mA, 70mA |
| Ripple (270V) | 0.2V |
| Ripple (260V) | 0.001V |
| Tube Complement | 6X4 (x2) |
| Links | Altec 250A Console |
| Notes | P-522B with minor revisions and changed model number to fit with revised nomenclature structure.
250A Console plug-in module. Available separately for custom installations. |
