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Audio-Technica AT875R Microphone User Manual

Audio-Technica AT875R Microphone Featured

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Audio-Technica AT875R Microphone

Audio-Technica AT875R Microphone Product

About Audio Technica

Audio-Technica is a well-known Japanese audio equipment manufacturer that specializes in the design and production of high-quality audio products. The company was founded in 1962 by Hideo Matsushita and is headquartered in Tokyo, Japan. Since its inception, Audio-Technica has gained a strong reputation in the audio industry for its commitment to innovation, craftsmanship, and technical expertise.

The company’s product range includes a wide variety of audio equipment, such as headphones, microphones, turntables, wireless systems, and other audio accessories. They cater to various markets, including professional audio, broadcast, live sound, studio recording, and consumer audio.


  • Designed for video production and broadcast (ENG/EFP) audio acquisition
  • Extremely short length and lightweight ideal for use with compact digital cameras
  • Provides the narrow acceptance angle desirable for long-distance  sound pickup
  • Smooth, natural-sounding on-axis audio quality
  • Tailored response minimizes camera and handling noise
  • Rugged design and construction for reliable performance


The AT875R is a fixed-charge condenser microphone with a line + gradient polar pattern. It is designed for video production and broadcast (ENG/EFP) audio acquisition. The microphone requires 11V to 52V phantom power for operation. The microphone’s highly directional polar pattern provides a narrow acceptance angle along with crisp, intelligible audio reproduction desirable for long-distance sound pickup.

The output of the microphone is a 3-pin XLRM-type connector. The microphone is enclosed in a rugged housing. The included AT8405a stand clamp permits mounting on any microphone stand with 5 /8″-27 threads. A windscreen, two o-rings, and a soft protective pouch are also included.

Operation and Maintenance

The AT875R requires 11V to 52V phantom power for operation. Output is low impedance (Lo-Z) balanced. The signal appears across Pins 2 and 3; Pin 1 is ground (shield). The output phase is “Pin 2 hot”— positive acoustic pressure produces positive voltage at Pin 2.

To avoid phase cancellation and poor sound, all mic cables must be wired consistently: Pin 1-to-Pin 1, etc.

The high sensitivity of the microphone assures useful output and an excellent match to most input sources. In some cases, however, an attenuator may be required between the microphone and preamplifier to avoid overloading sensitive input stages.

Avoid leaving the microphone in the open sun or in areas where temperatures exceed 110° F (43° C) for extended periods. Extremely high humidity should also be avoided.

Note: To use the microphone with a camera-mount microphone holder whose diameter is too large to secure the microphone, slide the two supplied o-rings onto the microphone handle, spaced so that one fits just in front of, and the other fits just behind, the rubber nubs inside the microphone holder. When the top of the microphone holder is closed and tightened down, the o-rings should hold the microphone securely in place.

Architect’s and Engineer’s Specifications

The microphone shall be a fixed-charge condenser. It shall have a line + gradient polar pattern and a frequency response of 90 Hz to 20,000 Hz. The microphone shall operate from an external 11V to 52V DC phantom power source. It shall be capable of handling sound input levels up to 127 dB with a dynamic range of 107 dB. The nominal open circuit output voltage shall be 31.6 mV at 1 V, 1 Pascal. Output shall be low impedance balanced (100 ohms).

The output of the microphone shall be a 3-pin XLRM-type connector. The microphone shall be 175.0 mm (6.89″) long and have a diameter of 21.0 mm (0.83″). Weight shall be 80 grams (2.8 oz). The microphone shall include a stand clamp, a windscreen, two o-rings and a soft protective pouch. The Audio-Technica AT875R is specified.


  • Element Fixed-charge back plate, permanently polarized condenser
  • Polar pattern Line + gradient
  • Frequency response 90-20,000 Hz
  • Open circuit sensitivity –30 dB (31.6 mV) re 1V at 1 Pa
  • Impedance 100 ohms
  • Maximum input sound level 127 dB SPL, 1 kHz at 1% T.H.D.
  • Dynamic range (typical) 107 dB, 1 kHz at Max SPL
  • Signal-to-noise ratio1 74 dB, 1 kHz at 1 Pa
  • Phantom power requirements 11-52V DC, 2 mA typical
  • Weight 80 g (2.8 oz)
  • Dimensions 175.0 mm (6.89″) long, 21.0 mm (0.83″) diameter
  • Output connector Integral 3-pin XLRM-type
  • Audio-Technica case style SG4
  • Accessories furnished AT8405a stand clamp for 5/8″-27 threaded stands; 5/8″-27 to 3/8″-16 threaded adapter; windscreen; two o-rings: soft protective pouch.

FAQs Audio-Technica AT875R Microphone

Is phantom power required for the AT875R?

Operations and Upkeep For operation, the AT875R needs phantom power between 11 and 52 volts.

What is the Audio Technica AT875R’s frequency response?

Because of this, compared to omnidirectional mics used in most cameras, the AT875R is far more successful at picking up distant sources. Its frequency response from 90 Hz to 20 kHz automatically cuts down on troublesome bass frequencies from frequent sources like wind noise and highway rumbling.

What kind of microphone is the toughest?

Dynamic microphones are typically more durable than condensers, making them better suited for usage on stages.

What is a shotgun microphone used for?

In addition to vlogs and occasionally YouTube videos, shotgun microphones are a type of microphone that are widely utilized in film and television production. Shotgun microphones may pick up sound from a specific direction while excluding background noise since they are extremely directional.

What does Audio-Technica’s hear through feature do?

When requested, the hear-through capability, a switchable feature, enables you to hear ambient noise through your headphones as you listen to music. A built-in microphone is used by Hear-through to amplify ambient noise and concentrate on human sounds.

What is the audio’s frequency response spectrum?

20,000 Hz to 20 Hz

Which microphones from Audio-Technica are the best?

Certainly a versatile mic for the home studio, the Audio Technica AT2020. It sounds good on a variety of vocal and spoken voices. But with appropriate mic placement and EQ, it may also be utilized with a variety of instruments, particularly acoustic guitar.

What does Audio-Technica’s low latency mode mean?

When playing games or watching videos, this option shortens the sound delay. AAC will be used as the Bluetooth codec when low latency mode is enabled.

What microphone distance is ideal?

roughly 6 to 12 inches distant

What is a microphone’s range?

The distance between a microphone’s upper and lower limiting frequencies is referred to as its frequency range. The frequency range that can be covered by modern microphones ranges from about 1 Hz to 140 kHz.

A condenser microphone is what?

An extremely sensitive vibrating diaphragm is used by condenser microphones, which are recording devices, to capture sound. Since they can be used to capture virtually any instrument, condenser microphones are regarded as the most flexible recording studio microphones.

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