Audio Technica AT835b Specifications

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Brand: Audio Technica

Category: Microphone

Type: Specifications for Audio Technica AT835b

Pages: 1 (0.08 Mb)

Download Audio Technica AT835b Specifications

Audio Technica AT835b Specifications - Page 1
1
200 Hz
1 kHz
8 kHz
LEGEND
Polar Pattern
SCALE IS 5 DECIBELS PER DIVISION
90
60
120
30
150
210
240
270
300
330
180
0
LEGEND
Roll-off
12" or more on axis (flat)
Frequency in Hertz
Response in dB
10 dB
20k
10k
5k
2k
1k
500
200
100
50
Frequency Response
Designed for video production and broadcast (ENG/EFP) audio
acquisition
Length is well-suited for ENG, outdoor recording and other
specialized uses
Provides the narrow acceptance angle desirable for long-distance
sound pickup
Excellent sound rejection from the sides and rear of mic
Switchable low-frequency roll-off
Operates on battery or phantom power
The AT835b requires 9V to 52V DC phantom power
or a 1.5V AA
battery for operation. A battery need not be in place for phantom
power operation.
Battery installation: Unscrew the lower section of the microphone
body, just below the nameplate. Insert a fresh 1.5V AA battery
in the handle compartment (“+” end up), then reassemble the
microphone. Alkaline batteries are recommended for longest life.
Remove the battery during long-term storage.
Output from the microphone’s XLRM-type connector is low
impedance (Lo-Z) balanced. The signal appears across Pins 2
and 3;
Pin 1 is g
round (shield). Output phase is “Pin 2 hot”
positiv
e acoustic pressure produces positiv
e v
oltage at Pin 2.
An integral 180 Hz high-pass filter provides easy switching from a flat
frequency response to a low-end roll-off. The roll-off position
reduces the pickup of low-frequency ambient noise (such
as traffic, air-handling systems, etc.), room reverberation and
mechanically coupled vibrations.
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.
AT835b SPECIFICATIONS
ELEMENT Fixed-charge back plate
permanently polarized
condenser
POLAR PATTERN Line + gradient
FREQUENCY RESPONSE 40-20,000 Hz
LOW-FREQUENCY ROLL-OFF 180 Hz, 12 dB/octave
OPEN CIRCUIT SENSITIVITY –38 dB (12.5 mV) /
(Phantom / Battery) –39 dB (11.2 mV) re 1V at 1 Pa*
IMPEDANCE (Phantom / Battery) 500 ohms / 600 ohms
MAXIMUM INPUT SOUND LEVEL 130 dB / 115 dB SPL,
(Phantom / Battery) 1 kHz at 1% T.H.D.
SIGNAL-TO-NOISE RATIO
1
70 dB, 1 kHz at 1 Pa*
DYNAMIC RANGE (typical) 106 dB / 91 dB,
(Phantom / Battery) 1 kHz at Max SPL
PHANT
OM POWER
9-52V DC
, 2 mA typical
REQUIREMENTS
BATTERY TYPE 1.5V AA/UM3
B
ATTERY CURRENT / LIFE
0.4 mA / 1200 hours typical
SWITCH Flat, roll-off (recessed)
WEIGHT (less accessories) 5.3 oz (150 g)
DIMENSIONS 14.53" (369.0 mm) long,
0.83" (21.0 mm) diameter
OUTPUT CONNECTOR Integral 3-pin XLRM-type
ACCESSORIES FURNISHED AT8405a stand clamp for
5
/
8
"-27
threaded stands; AT8132
windscreen; battery; protective
carrying case
In the interest of standards development, A.T.U.S. offers full details on its test
methods to other industry professionals on request.
*1 Pascal = 10 dynes /cm
2
= 10 microbars = 94 dB SPL
1
Typical, A-weighted, using Audio Precision System One.
Specifications are subject to change without notice.
Audio-Technica U.S., Inc., 1221 Commerce Drive, Stow, Ohio 44224
Audi
o
-
T
echnica Limited,
Old Lane, Leeds L
S
1
1 8AG England
www.audio-technica.com
P51658-EN ©2004 Audio-Technica U.S., Inc. Printed in Japan
AT835b LINE + GRADIENT CONDENSER MICROPHONE