| AVERAGE LIFE MEASUREMENT | NOT RATED |
| BASIC SHAPE STYLE | RECTANGULAR OR SQUARE |
| CIRCUIT CONSTRUCTION TYPE | ELECTRON TUBE |
| ENVIRONMENTAL PROTECTION | MOISTURE PROOF |
| EXTERNAL DC OPERATING VOLTAGE IN VOLTS | 27.0 NOMINAL 2ND VOLTAGE |
| EXTERNAL DC OPERATING VOLTAGE IN VOLTS | 300.0 NOMINAL 4TH VOLTAGE |
| EXTERNAL AC OPERATING VOLTAGE IN VOLTS | 115.0 NOMINAL SINGLE VOLTAGE |
| EXTERNAL DC OPERATING VOLTAGE IN VOLTS | -250.0 NOMINAL 1ST VOLTAGE |
| EXTERNAL DC OPERATING VOLTAGE IN VOLTS | 150.0 NOMINAL 3RD VOLTAGE |
| INCLOSURE TYPE | ENCASED |
| IMPEDANCE RATING PER CHANNEL | 2.000 MEGOHMS INPUT CHANNEL |
| IMPEDANCE RATING PER CHANNEL | 30.000 KILOHMS OUTPUT CHANNEL |
| INSTALLATION DESIGN | RACK |
| OVERALL HEIGHT | 8.190 INCHES NOMINAL |
| OVERALL LENGTH | 19.840 INCHES NOMINAL |
| OVERALL WIDTH | 7.640 INCHES NOMINAL |
| OPERATING AC FREQUENCY IN HERTZ | 400.0 NOMINAL SINGLE VOLTAGE |
| PHASE | SINGLE |