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DESCRIPTION
The ES961 is a wide-range
condenser microphone with
cardioid polar pattern. It is
designed for surface-mounted
applications such as high-quality
sound reinforcement, conferencing,
professional recording, and
other demanding sound pickup
situations.
The microphone is RoHS com-
pliant – free from all substances
specified in the EU directive on
hazardous substances.
The ES961 is equipped with
UniGuard
®
RFI-shielding tech-
nology, which offers outstanding
rejection of radio frequency
interference (RFI).
The microphone's cardioid polar pattern provides a 120° angle of
acceptance (cardioid in hemisphere above mounting surface).
Additional interchangeable elements with hypercardioid and
omnidirectional pickup patterns are available.
The ES961 is supplied with a 25' (7.6 m) output cable terminating
in TA3F-type and XLRM-type connectors. The microphone is
equipped with Audio-Technica's unique PivotPoint
®
rotating output
connector that allows the cable to exit from either the rear or the
bottom of the microphone without the need for tools or disassembly.
The ES961 can be powered from any 11V to 52V DC phantom
power source. A recessed switch permits choice of flat response or
low-frequency roll-off (via integral 80 Hz high-pass UniSteep
®
filter)
to help control undesired ambient noise. The microphone's heavy
die-cast case and non-slip silicon foam bottom pads minimize
coupling of surface vibration to the microphone. The ES961 is
equipped with a low-reflectance black finish and is also available in
white as the ES961W.
INSTALLATION AND OPERATION
The ES961 requires 11-52V DC phantom power to operate.
The microphone should be placed on a flat,
unobstructed mounting surface, with the front
of the microphone facing the sound source.
The sound source should not be below, or
higher than 60° above, the plane of the
mounting surface.
Output is low impedance balanced. The balanced signal appears
across Pins 2 and 3, while the ground (shield) connection is Pin 1.
Output is phased so that positive acoustic pressure produces
positive voltage at Pin 2, in accordance with industry convention.
An integral 80 Hz high-pass UniSteep
®
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. To engage the UniSteep
®
filter,
slide the switch toward the “bent” line.
The ES961 can be mounted to a flat surface using two panhead
screws 2.26" (57.4 mm) apart, in conjunction with the keyhole slots
on the microphone underside.
While a modern condenser microphone is not unduly sensitive
to the environment, temperature extremes can be harmful. 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.
NOTE: Audio-Technica has developed a special RFI-shielding
mechanism that is an integral part of the connectors in the
Engineered Sound line. If you remove or incorrectly replace the
connector, you may adversely affect the unit's RFI immunity.
Audio-Technica offers a crimp tool (ATCT) and RFI shields for
TA3F-type, TA5F-type and XLRM-type connectors that enable you
to shorten the cable and correctly reinstall the connector while
maintaining the highest level of RFI immunity.
ES961/ ES961W
CARDIOID CONDENSER
BOUNDARY MICROPHONE
NOTE: Placing any object on a surface (such as a conference
table) before its finish is fully cured may result in damage to the finish.
ARCHITECTS AND ENGINEERS SPECIFICATIONS
The microphone shall be a fixed-charge condenser designed
for use in surface-mount boundary applications. It shall have a
frequency response of 30 Hz to 20,000 Hz and a cardioid polar
pattern. It shall operate from an external 11V to 52V DC phantom
power source. The microphone's element shall be field replaceable;
optional interchangeable elements for hypercardioid and
omnidirectional polar patterns shall be available.
The microphone shall be capable of handling sound input levels
up to 134 dB with a dynamic range of 108 dB. Nominal open-
circuit output voltage shall be 19.9 mV at 1 kHz, 1 Pascal. Output
shall be low impedance balanced (200 ohms). A recessed “Low
Cut” switch shall be provided to tailor the low frequency response
to minimize pickup of unwanted sounds.
The microphone shall offer outstanding rejection of radio frequency
interference (RFI). The microphone shall be RoHS compliant.
The microphone shall be equipped with an integral rotating output
connector that allows the cable to exit from either the rear or the
bottom of the microphone without the need to disassemble the
microphone or use tools to change the cable exit location.
The microphone shall terminate in a TB3M-type output connector.
A 25' (7.6 m) miniature low-noise output cable with TA3F-type to
XLRM-type connectors shall be supplied. An optional crimping tool
shall permit shortening of the cable without loss of RFI immunity.
The microphone shall have a maximum width of 3.31" (84.0 mm)
and a maximum length of 4.25" (108.0 mm). Weight shall be 9.2
oz (262 grams). The microphone shall be housed in a die-cast
case with a perforated steel grille. The microphone's base shall
have two keyhole slots for mounting to a tabletop or other surface.
Finish shall be low-reflectance black [white]. The microphone shall
be supplied with a soft protective pouch.
The Audio-Technica ES961 [ES961W] is specified.
60°
IDEAL
WORKING
ANGLE