Audio-Technica AT881TH/RC Handleiding

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Description

The AT881TH/RC requires a phantom power supply of 11–52V DC for the element. Output is low-

impedance balanced. The signal appears across the red and yellow wires; audio ground is the

shield connection. Output is phased so that positive acoustic pressure produces positive voltage

on the yellow wire. The small-diameter black and blue wires are the contact closure. The white

wire is the LED control.

The element in the microphone is shock mounted. The Hypercardioid polar pattern of the elements

provides a 100°angle of acceptance. The AT881TH/RC is designed with integral wind-screens to

ensure maximum security against wind noise and plosives.

The microphone features a rubber switch, programmable external contact closure and LED

indicator. The microphone's external contact closure capability permits control of remote devices.

The contact closure is configured to operate independently of the microphone element for

applications that require a constant signal from the element. The LED can be controlled from an

external source.

The microphone is enclosed in a sturdy metal housing with a low-reflectance black finish. Its base

is a desk stand that connected with a 1 meter cable permanently attached to microphone. The

blue and black wires of cable used for contact closure is Closed when pressed or Opened when

not pressed. The white wire of cable used for indicator lights red when logic high (+5V DC) and

white when logic low (0V DC).

Avoid leaving the microphone in the open sun or in areas where temperatures exceed 43°C for

extended periods. Extremely high humidity should also be avoided.

Features

• Designed for quality sound reinforcement in demanding situations, conferencing,

especially those requiring separate miking for PA and broadcast.

• Hypercardioid condenser microphone with power module.

• Switch logic output permits control of remote devices from builtin rubber switch.

• Integral, phantom-powered, Red LED indicator.

• Integral windscreens ensure ultimate security against wind noise and plosives.

• Small-diameter rigid-pipe design with pivoting ball-in-socket base permits flexible

positioning.

• Heavy die-cast case and rubber bottom pads minimize coupling of surface vibration to

the microphones.

Specifications

ElementBack electret condenser

Polar patternHypercardioid

(Unidirectional)

Frequency response20-20,000 Hz

Open circuit sensitivity-35 dB

(17.8 mV)

re 1V at 1 Pa

Impedance 100 ohms

Maximum input sound level130 dB SPL, 1 kHz at 1% T.H.D.

Signal-to-noise ratio>66 dB, 1 kHz at 1 Pa

Phantom power requirements11-52V DC, 2 mA typical

Switch contact closure Closed circuit in switch pressed;

Opened circuit when not pressed

LED input

Maximum input voltage

Red light up when high (+5V DC), Unlit when low (0V DC),

-0.5V to 5.5V

Weight 1.09 kg

Dimensions354 mm - Max. long,

345 mm - Max. height,

102 mm - Width

Cable 1.0 m long (permanently attached to microphone),

Output connectorUnterminated

polar pattern

SCALE IS 5 DECIBELS PER DIVISION

LEGEND

10 dB

20k10k5k2k1k50020010050

LEGEND

frequency response

Frequency in Hertz

Response in dB

12” or more on axis

Audio-Technica Corp. Machida • Tokyo • Japan 2019 OCTFORM No. ATGC-L0372-19-E

mic output:

Black: control ground

White: LED control

Blue: contact closure

Red: cold(-)

Yellow: hot(+)

Shield: audio ground

Optional Accessories:

ATUC-50IU Integration unit for the ATUC-50

conference system

Desktop Hypercardioid Condenser Microphone

(with Remote Switching and LED)

AT881TH/RC

Product specificaties