Audio Technica ES947C/FM3 User manual

ES947C/FM3
Cardioid Condenser Boundary Microphone
User Manual
English
Safety precautions
Cautions for the product
Notes on use
Using the product
Included accessories
How to mount the product
Table/ceiling hole size (when using isolators)
Table/ceiling hole size (when not using isolators)
Example: Mounting on a table
Switch setting and functions
LED color
Connection procedure
Dimensions
Specifications
Polar pattern/Frequency response
Polar pattern
Frequency response

1
Although this product was designed to be used safely, failing to use it correctly may result in an accident. To ensure
safety, observe all warnings and cautions while using the product.
Cautions for the product
• Do not subject the product to strong impact to avoid malfunction.
• Do not disassemble, modify or attempt to repair the product.
• Do not handle the product with wet hands to avoid electric shock or injury.
• Do not store the product under direct sunlight, near heating devices or in a hot, humid or dusty place.
Safety precautions

2
• Do not swing or pull with the cable connected to the microphone to prevent the microphone from becoming
disconnected or damaged.
• Do not wind the cable around the rack or allow the cable to become pinched.
• The microphone should be placed on a flat, unobstructed mounting surface.
• Placing any object on a surface (such as a conference table) before its finish is fully cured may result in damage
to the finish.
Notes on use

3
Using the product
Included accessories
2
1
3
1Rubber isolator (1)
2Rubber isolator (2)
3Nut

4
Using the product
How to mount the product
Table/ceiling hole size (when using isolators)
ø23.5
(Unit: mm)
Table/ceiling hole size (when not using isolators)
ø20.5
(Unit: mm)

5
Using the product
Example: Mounting on a table
1
2
5
4
3
1Front-of-mic indicator
2
Rubber isolator (1)
3
Rubber isolator (2)
4
Nut
5
Table

6
Using the product
Switch setting and functions
1. Action
2. Audio status
3. LED color
4. LED status
4
1
3
LED color
OFF
RED
1
2
3
GREEN
YELLOW
BLUE
MAGENTA
5
4
6
7
CYAN
WHITE

7
Using the product
Connection procedure
The output connector is an XLR-M type with polarity as shown in the figure below.
21
3
1
PIN1 (ground)
2PIN2 (hot)
3PIN3 (cold)

8
Dimensions
4884.8
70.3
(Unit: mm)
38
20.6
M20 P=1

9
Element Fixed-charge back plate, permanently polarized condenser
Polar pattern Cardioid
Frequency response 70 to 15,000 Hz
Open circuit sensitivity -37 dB (0 dB = 1 V/Pa, 1 kHz)
Impedance 60 ohms
Maximum input sound level 134 dB SPL (1 kHz at 1% THD)
Dynamic range 110 dB (1 kHz at Max SPL)
Signal-to-noise ratio 70 dB (1 kHz at 1 Pa, A-weighted)
Phantom power requirements 11-52 V DC, 7.5 mA
Weight 59 g (2.1 oz)
Dimensions 38 mm (1.50”) × 48 mm (1.89”) × 84.8 mm (3.34”) (W × D × H)
Output connector Integral 3-pin XLR-M type
Included accessories Rubber isolator (2 types), Nut
• 1 Pascal = 10 dynes/cm2= 10 microbars = 94 dB SPL
• For product improvement, the product is subject to modification without notice.
Specifications

10
Polar pattern
200 Hz
1 kHz
5 kHz
8 kHz
SCALE IS 5 DECIBELS
PER DIVISION
LEGEND
240˚
180˚
210˚
270˚
300˚
330˚
0˚
150˚
120˚
90˚
30˚
60˚
Frequency response
0°, 50 cm
LEGEND
70 - 15,000 Hz
Frequency in Hertz
Response in dB
10 dB
20
100
50 200 10k 5k
1k
500 2k 20k
Polar pattern/Frequency response

142316940-02-01 ver.1 2021.02.01
Audio-Technica Corporation
2-46-1 Nishi-naruse, Machida, Tokyo 194-8666, Japan
www.audio-technica.com
©2021 Audio-Technica Corporation
Global Support Contact: www.at-globalsupport.com
株式会社オーディオテクニカ
〒194-8666 東京都町田市西成瀬2-46-1
www.audio-technica.co.jp