Audio-Technica AT881TL/RC Bruksanvisning
Audio-Technica
Mikrofon
AT881TL/RC
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Description
The AT881TL/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 Line-cardioid polar pattern of the element
provides a 90°angle of acceptance. The AT881TL/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 high-quality sound reinforcement, conferencing, professional recording
and other demanding sound pickup applications.
• Line-cardioid 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.
• Sturdy metal housing design with ball-in-socket base permits flexible positioning.
• Heavy die-cast case and rubber bottom pads minimize coupling of surface vibration to
the microphones.
Specifications
Element Back electret condenser
Polar pattern Line-cardioid
(Unidirectional)
Frequency response 20-20,000 Hz
Open circuit sensitivity -31 dB
(28.2 mV)
re 1V at 1 Pa
Impedance 100 ohms
Maximum input sound level 126 dB SPL, 1 kHz at 1% T.H.D.
Signal-to-noise ratio >69 dB, 1 kHz at 1 Pa
Phantom power requirements 11-52V 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 1.12 kg
Dimensions 214 mm - long,
227 mm - Max. height,
102 mm - Width
Cable 1.0 m long (permanently attached to microphone),
Output connector Unterminated
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 OCT FORM No. ATGC-L0371-19-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 Line-cardioid Condenser Microphone
(with Remote Switching and LED)
AT881TL/RC
Produkspesifikasjoner
| Merke: | Audio-Technica |
| Kategori: | Mikrofon |
| Modell: | AT881TL/RC |
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