Picture: R.L. DRAKE Company
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The 7073 DM Microphone is furnished with a 4 pin connector which is directly compatible with the Drake TR-33C. |
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The 7073 DM Microphone may be used with most transceivers, but due to the wide variety of connectors and wiring, some modification may be required. |
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In some case, it may be desirable to install a matching 4 pin jack in the transceiver (Drake Part N° 328-1735) or the plug of the microphone cable may be changed. |
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In either case, the wiring list
below should provide the necessary informations. |
| Pin N° | Wire Color | Function |
| 1 | Yellow | Mic Audio |
| 2 | White | Push-To-Talk |
| 3 | Shield | Groung |
| 4 | Black | Ground |
SPECIFICATIONS:
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Type: Dynamic, hand-held |
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Cable: 18" retracted, 6" extended, 4 conductor shielded |
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Case: Black Plastic |
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Output Level: -72 dBm per microbar. Approximately 3 mV (-47 dBm) with average voice level. |
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Frequency Response: 300 - 5000 Hz. |
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Output Impedance: 500 Ohms. |
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Switching: Push-To-Talk or V.O.X. |
