Hand-held Microphone Model 700
Description
High quality electret condenser microphone cartridge with built-in IC preamplifier powered by self-contained 9V battery or by transceiver (steering diodes select the higher voltage if both are present). Comes with a push-to-talk switch built-in and with a coiled cord that can be extended to a seven foot length. Housed in an ABS plastic case.
Model 700 comes without the connector and Model 700-C has a standard four terminal locking type connector attached and wired for use with any Ten-Tec transceiver that has a mating chassis connector. Model 700-A has a standard 1/4" phone plug.
Specifications
- Type: Electret Condenser Microphone
- Sensitivity: -65 dBV (0 dBV = 1V/uBar @ 1kHz).
- Output Impedance: 400 ohms, typical @ 1 kHz).
- Polarizing Power: Built-in 9 volt transistor battery or 4 to 10 volts DC @ 300 uA, typical.
- Operating Temperature: -10o to +60o C.
- Maximum Sound Pressure Level: 130 dB.
- PTT Switch: DPST storts Pin 3 (yellow lead) to GND and connects power source to cartridge.
- Size: HWD 3-1/2" x 2-7/16" x 1-5/8".
- Weight: 6-1/2 ounces, including battery and cable.
Cable Connections:
Function | Model 700 Cable | Model 700-C Connector Pin |
---|---|---|
Signal Lead | White (Shielded) | 1 |
Common GND | Black & Shield | 2 |
Push-To-Talk Switch | Yellow | 3 |
+ Polarizing Voltage | Red | 4 |
Not Used | Blue | - |