ES947C/TB3
ES947WC/TB3
Cardioid Condenser Boundary Microphone
User Manual
Safety precautions
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 a 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.
Notes on use
- Do not swing or carry the microphone by the cable 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.
Using the product
Included accessories
- Rubber isolators
- Nut
- 7.6 m (24.9′) Microphone cable (TA3F, XLR-M)
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
- Front-of-mic indicator
- Rubber isolators
- Nut
- Table
Connection procedure
The output connector is an XLR-M type with polarity as shown in the figure below.
- PIN1 (ground)
- PIN2 (hot)
- PIN3 (cold)
Dimensions
Specifications
| Element | Fixed-charge back plate, permanently polarized condenser |
| Polar pattern | Cardioid |
| Frequency response | 70 to 15,000 Hz |
| Open circuit sensitivity | -38 dB (0 dB = 1 V/Pa, 1 kHz) |
| Impedance | 100 ohms |
| Maximum input sound level | 135 dB SPL (1 kHz at 1% THD) |
| Dynamic range | 110 dB (1 kHz at Max SPL) |
| Signal-to-noise ratio | 69 dB (1 kHz at 1 Pa, A-weighted) |
| Phantom power requirements | 11-52 V DC, 2 mA |
| Weight | 31 g (1.1 oz) |
| Dimensions | 60.5 mm (2.38″) long, 20 mm (0.79″) head diameter |
| Output connector | TB3M-type |
| Included accessories | Rubber isolator x 2, Nut, 7.6 m (24.9′) Microphone cable (TA3F, XLR-M) |
- 1 Pascal = 10 dynes/cm2 = 10 microbars = 94 dB SPL
- For product improvement, the product is subject to modification without notice.
Polar pattern/Frequency response
Polar pattern
Frequency response
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
