| OVERALL LENGTH | 10.500 INCHES NOMINAL |
| OVERALL HEIGHT | 4.625 INCHES NOMINAL |
| OVERALL WIDTH | 7.500 INCHES NOMINAL |
| BASIC SHAPE STYLE | RECTANGULAR OR SQUARE |
| CIRCUIT CONSTRUCTION TYPE | ELECTRON TUBE |
| IMPEDANCE RATING PER CHANNEL | 220.000 KILOHMS 1ST INPUT CHANNEL AND 560.000 KILOHMS 2ND INPUT CHANNEL AND 10.000 KILOHMS 3RD INPUT CHANNEL AND 1.210 MEGOHMS 4TH INPUT CHANNEL AND 100.000 KILOHMS 1ST OUTPUT CHANNEL AND 5.000 KILOHMS 2ND OUTPUT CHANNEL |
| OPERATING AC FREQUENCY IN HERTZ | 60.0 NOMINAL SINGLE VOLTAGE |
| EXTERNAL DC OPERATING VOLTAGE IN VOLTS | -350.0 NOMINAL 1ST VOLTAGE AND -180.0 NOMINAL 2ND VOLTAGE AND 24.0 NOMINAL 3RD VOLTAGE AND 220.0 NOMINAL 4TH VOLTAGE |
| EXTERNAL AC OPERATING VOLTAGE IN VOLTS | 6.3 NOMINAL SINGLE VOLTAGE |
| PHASE | SINGLE |