Audio-Technica ES947, ES945SV Specifications

ES945/LED & ES945SV/LED

Omnidirectional Condenser Boundary Microphones with Mute Switch and LED Indicator

Installation and Operation

The ES945/LED requires 11V to 52V phantom power for operation.

Output is low impedance (Lo-Z) balanced. The signal appears across Pins 2 and 3; Pin 1 is ground (shield). Output phase is “Pin 2 hot”— positive acoustic pressure produces positive voltage at Pin 2.

The microphone should be installed on a at, unobstructed mounting surface. The small-diameter capsule near the boundary eliminates phase distortion and delivers clear, high-output performance.

To mount the microphone in a tabletop without the isolators, a 20.5 mm (13⁄16") diameter hole is required. To mount the microphone with the isolators, a 23.5 mm (15⁄16") hole is required. Place the isolators on either side of the hole to achieve mechanical isolation from the mounting surface.

The capacitive-type touch-sensitive switch enables muting functionality: press to mute, press again to un-mute. The LED indicator ring lights green

Features

• Mounts unobtrusively in tabletops

• Low-prole element provides uniform omnidirectional polar pattern with 360º acceptance angle

• UniGuard® RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)

• Self-contained electronics eliminate the need for external power module

• Rugged all-metal case with a two-layer steel mesh grille

• Capacitive-type touch-sensitive switch allows users to easily mute/un-mute the microphone

• Integral LED ring indicates mute status—green when mic is live, red when muted

• Isolators provide mechanical dampening of mounting-surface vibration

• Available in two colors: black (ES945/LED) and silver (ES945SV/LED)

when the microphone is live and lights red when the microphone is muted.

Avoid leaving the microphone in the open sun or in areas where temperatures exceed 110° F (43° C) for long periods of time. Extremely high humidity should also be avoided.

engineered sound® microphones

Description

The ES945/LED is a wide-range condenser microphone with an omnidirectional polar pattern. It is designed for unobtrusive tablemounted use in high-quality sound reinforcement, conferencing, professional recording, television and other demanding sound pickup applications.

The microphone features a capacitive-type touch-sensitive switch that toggles between on/mute and a Red/Green LED indicator ring that displays mute status.

The microphone requires 11V to 52V phantom power for operation.

The microphone is equipped with UniGuard® RFI-shielding technology, which offers outstanding rejection of radio frequency interference (RFI).

The output of the microphone is a 3-pin XLRM-type connector.

Isolators are included with the microphone for optional mechanical isolation from the mounting surface. The microphone is enclosed in a heavy-duty die-cast case and is protected by a two-layer steel mesh grille. The low-prole housing has a low-reectance black nish. The microphone is also available in silver as the ES945SV/LED.

ES945/LED & ES945SV/LED

38.0 mm

48.0 mm

1.89"

1.49"

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0.81"

20.6 mm

14.5 mm

0.57"

84.8 mm

3.33"

Specications

Element

Polar pattern

Frequency response

Open circuit sensitivity

Impedance

Maximum input sound level

Dynamic range (typical)

Signal-to-noise ratio

Phantom power requirements

Switch Weight

Dimensions

Output connector

Accessories furnished

In the interest of standards development, A.T.U.S. offers full

details on its test methods to other industry

1 Pascal = 10 dynes/cm

Typical, A-weighted, using Audio Precision System One.

Specications are subject to change without notice.

professionals on request.

= 10 microbars = 94 dB SPL

frequency response: 40–19,000 Hz

10 dB

100

12" or more on axis

330˚

200

Frequency in Hertz

0˚

180˚

500

30˚

150˚

60˚

120˚

10k

20k

90˚

LEGEND

200 Hz

1 kHz 5 kHz 8 kHz

LEGEND

polar pattern

300˚

270˚

240˚

210˚

SCALE IS 5 DECIBELS PER DIVISION

Fixed-charge back plate, permanently polarized condenser Omnidirectional 40-19,000 Hz –40 dB (10 mV) re 1V at 1 Pa 200 ohms 142 dB SPL, 1 kHz at 1% T.H.D. 113 dB, 1 kHz at Max SPL

65 dB, 1 kHz at 1 Pa 11-52V DC, 5.7 mA typical Touch-sensitive control: on/mute 65 g (2.3 oz)

84.8 mm (3.33") long,

38.0 mm (1.49") diameter

48.0 mm (1.89") maximum width Integral 3-pin XLRM-type One pair isolators

Response in dB