933 Earphones (1200 Ohm)

Features and Info:

• Quantity: 2
• 1200 Ohms
• 1.35 Ounces
• Slim Casing
• MIL-PRF-25670

The Dynamic Earphone is a high impedance moving coil type earphone designed for use in a low altitude headband type headset or specific flight helmets, it also has ground crew support applications. The intended use is to provide audio communications under high noise conditions found in military, civilian and general aviation environments.

The earphone is designed and constructed from quality durable high strength nylon and other type polymer materials as well as corrosion resistant metals meeting or exceeding the environmental, durability and interchangeability requirements of MIL-PRF-25670.

Baseline Performance Characteristics:

Color: Lusterless Black
Weight: Approximately 1.35 ounces max.
Frequency Response Range: 100 to 3000Hz
Sensitivity at Ground Level: 102dB min. @ 1mW rms input at 1kHz applied to earphone terminals
Temperature Range: As per the requirements of MIL-PRF-25670
Distortion: 5% max.
Stray Magnetic Field: 5 degree at a measured distance of 12 inches
Marking: As per the requirements of MIL-PRF-25670

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Cross Reference Part Numbers:

• Acousticom - 2300-CA