| EARPHONE CONTROLLING AGENCY | SPECIALITY ELECTRONICS CO |
| EARPHONE ELEMENT TYPE | DYNAMIC |
| EARPHONE IDENTIFYING NUMBER | 1754-1-26A PART NO. |
| EARPHONE IMPEDANCE RATING | 300.0 OHMS NOMINAL |
| EARPHONE QUANTITY | 1 |
| CONNECTOR CONTROLLING AGENCY | SIG |
| CONNECTOR IDENTIFYING NUMBER | U-163/U TYPE NO. |
| CONNECTOR NAME | PLUG |
| CONNECTOR TO JUNCTION CORD LENGTH | 5.167 FEET |
| CONTROLLING AGENCY | SPECIALITY ELECTRONICS CO |
| DC RESISTANCE RATING IN OHMS | 5.25 NOMINAL |
| FREQUENCY RATING | 0.3 KILOHERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM |
| IDENTIFYING NUMBER | 1754-1-26B PART NO. |
| IMPEDANCE RATING | 30.0 OHMS NOMINAL |
| OPERATING CURRENT RATING | 70.0 MILLIAMPERES NOMINAL |
| OUTPUT LEVEL RATING | 34 DB BELOW 1 MW |
| MICROPHONE ELEMENT TYPE | CARBON |
| MICROPHONE MOUNTING FACILITY | ADAPTER IN CENTER OF HEADBAND |
| MOUNTING METHOD | SUSPENDED ON HEADBAND EARPHONE |