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ST-18 Headset

  • Self-adjusting, pivoting ear cup assure a comfortable fit.
  • Headset frame is hardened spring steel.
  • Powder coated No-Glare frame and hardware.
  • Flex microphone boom for perfect mic positioning.
  • Microphone boom rotates 180 degrees for use on either side of head.
  • M-81 noise-canceling electret microphone with windscreen.
  • Headset models with Microphone Push-To-Talk and Radio-Push-To-Transmit switches available.
  • Easy grab volume adjust control.
  • Ear cups are high impact ABS plastic. Super-tough and lightweight.
  • Warranty: Two years parts and labor.
ST-18 Headset
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this headsets or any Sigtronics system.
 
Headset Special Features
Cable Emergency Headset Cable "Stop-Break" high flex coiled cable, flame resistant, coated wire
Plug
Type
Standard, Mic Push-To-Talk, and Microphone Disconnect Switch Headsets
3 Conductor Plug Standard 0.25 inch, 3 conductor, nickel coated plug.
Radio Push-To-Transmit Headsets (RPTT Headsets)
4 Conductor Plug U-174/U, 4 conductor, nickel coated plug.
Microphone M-81 Noise-Canceling Electret Microphone
M-81 Microphone High noise environment electret microphone. Sigtronics flex boom noise-canceling microphones are optimized for voice sound levels to maximize crisp, clear communication. Ultra-foam windscreens are standard.
Switch
Type
Push-To-Talk Switch (P Headsets)
PTT Switch Momentary On switch for the microphone. This is useful in very high noise or windy conditions. The headphone audio and volume control functions are operative at all times and are not effected by the switch.
Radio Push-To-Transmit Switch (RPTT Headsets)
RPTT Switch Momentary switch. When connected to a radio, depressing the switch will cause the radio to transmit. Not used for intercom function — the mic is always hot. Headphone audio and volume control not effected by the switch.
Volume
Control
All Headsets
Headset Volume Control Our easy grab control knob makes adjusting the volume fast—even with gloves on. The sealed high quality volume control potentiometer will give years of trouble free service under the most demanding conditions.
 
Headset PDF Plug Type Headset Features
ST-18 0.25 inch,
3 conductor
Standard Headset
ST-18P 0.25 inch,
3 conductor
Mic Push-To-Talk Switch
ST-18RPTT U-174/U,
4 conductor
Radio Push-To-Transmit Switch

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