Telex manual PH-81 & PH-85 Specifications

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PH-81 & PH-85 Specifications

Connector Termination

Stripped wire coiled cord

Type

PH-81: Single Sided

PH-85: Dual Sided

Mic Type

Carbon Omni-Directional

Mic Sensitivity

-28dBV/Pa @1cm, 8V through 470Ω bias, 150Ω AC load

Mic Frequency Range

100Hz - 6kHz

Mic Impedance 20Ω

Speaker Sensitivity 100dB SPL @2kHz, 1mW

Speaker Frequency Range

600Hz - 10kHz

Speaker Impedance

PH-81: 275Ω

PH-85: 275Ω boom side, 625Ω non-boom side

Weight

PH-81: 12oz. (not including cord)

PH-85: 14oz. (not including cord)

Cord Length

2 ft. retracted, 12 ft. extended

Contact Information

Telex Communications, Inc.

12000 Portland Avenue South

Burnsville, Minnesota 55337

Telephone: 877·863·4169

Fax: (800) 323-0498

Form Number: – LIT000205000 Rev A

Date: December, 2007

Ordering Information

PH-81

Single-Sided Headset with 20Ω Omnidirectional Carbon Mic

Catalog Number: 64438-004

PH-85

Dual-Sided Headset with 20Ω Omnidirectional Carbon Mic

Catalog Number: 64437-005

This specifications information is preliminary and is subject to change without notification.

Brand names mentioned are the property of their respective companies.

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PH-81 specifications

The Telex PH-81 is a high-performance headset designed primarily for use in professional environments such as aviation, broadcasting, and other communications-intensive applications. With an emphasis on comfort, durability, and exceptional sound quality, the PH-81 has established itself as a trusted choice among professionals who require reliable audio performance.

One of the standout features of the Telex PH-81 is its advanced noise-canceling technology. This headset employs dual microphones positioned strategically to filter out ambient noise, allowing for clear communication even in loud environments. This is particularly beneficial in aviation, where background noise can be disruptive and potentially hazardous.

The PH-81 is equipped with large, cushioned ear pads that provide not only comfort during extended use but also effective passive noise isolation. The design ensures a snug fit, which helps to block out external sounds, thereby enhancing the overall audio experience. The lightweight construction of the headset minimizes fatigue, making it an ideal choice for long-duration use.

In terms of audio quality, the Telex PH-81 delivers a wide frequency response, ensuring that both high and low sounds are accurately reproduced. This clarity in sound reproduction is crucial for communication in professional settings, where missing a word or phrase can lead to misunderstandings.

Another notable characteristic of the PH-81 is its flexible boom microphone. This feature allows users to position the microphone exactly where they need it for optimal voice capture. The microphone’s windscreen further reduces the chances of wind interference during outdoor use.

Durability is another strong suit of the Telex PH-81. Constructed with high-quality materials, the headset can withstand the rigors of daily use in demanding environments. Additionally, the detachable cable enhances convenience, allowing for easy replacement if damaged.

The Telex PH-81 is compatible with a variety of communications systems, making it versatile for multiple applications. Whether used in cockpit environments or production studios, its adaptability makes it a preferred choice for professionals across various fields.

In summary, the Telex PH-81 stands out for its exceptional noise-cancelation features, comfort-oriented design, high-quality audio performance, and durability. These characteristics make it an essential tool for professionals requiring reliable communication in noisy environments. Whether in aviation or broadcasting, the Telex PH-81 continues to set a standard in professional headsets.