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ATM230
12" or more on axis
LEGEND
Frequency in Hertz
Response in dB
10 dB
100
50
200
10k
5k
1k
500
2k
20k
Hypercardioid Dynamic Instrument Microphone
artist series live sound microphones
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Features
• Tailored to capture sound from rack and oor toms, snare drums
and other percussion instruments
• Handles very high SPL at close range
• Hypercardioid polar pattern reduces pickup of sounds from the
sides and rear, improving isolation of desired sound source
• Rare earth magnet for improved output and transient response
• Low-prole design permits versatile placement around drum kit
• Rugged, all-metal construction ensures dependable performance
in live-music and studio applications
• Integral 5/8"-27 threaded stand clamp works with included drum
mount to permit mounting of mic to drum rim
Description
The ATM230 is a dynamic microphone with a hypercardioid polar pattern.
It is designed specically for musical instrument pickup in the studio and
on stage.
The hypercardioid polar pattern of the microphone is more sensitive to
sound originating directly in front of the element, making it useful for
controlling feedback and reducing pickup of unwanted sounds.
The output of the microphone is a 3-pin XLRM-type connector.
The microphone is enclosed in a rugged housing and is outtted with an
integral 5/8"-27 threaded stand clamp. The included AT8665 drum mount
screws into the stand clamp to permit mounting of the ATM230 to the
rim of a drum. A soft protective pouch is also included.
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Specications
Element
Polar pattern
Frequency response
Open circuit sensitivity
Impedance
Weight
Dimensions
Dynamic
Hypercardioid
30-12,000 Hz
–54 dB (1.9 mV) re 1V at 1 Pa
600 ohms
292 g (10.3 oz)
82.5 mm (3.2") long,
38.0 mm (1.5") maximum diameter
Output connector
Audio-Technica case style
Accessories furnished
Integral 3-pin XLRM-type
R2
AT8665 drum mount for 5/8"-27 threaded
adapter; 5/8"-27 to 3/8"-16 threaded
adapter; soft protective pouch
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
1
Typical, A-weighted, using Audio Precision System One.
Specications are subject to change without notice.
professionals on request.
2
= 10 microbars = 94 dB SPL
Operation and Maintenance
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.
To avoid phase cancellation and poor sound, all mic cables must be wired
consistently: Pin 1-to-Pin 1, etc.
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.
Take care to keep foreign particles from entering the windscreen. An
accumulation of iron or steel lings on the diaphragm, and/or foreign
material in the windscreen’s mesh surface, can degrade performance.
frequency response: 30 –12,000 Hz polar pattern
0˚
30˚
330˚
10 dB
200
100
12" or more on axis
500
1k
Frequency in Hertz
5k
2k
10k
20k
50
LEGEND
Audio-Technica Corporation
audio-technica.com ©2016 Audio-Technica P52587-01
300˚
Response in dB
270˚
240˚
SCALE IS 5 DECIBELS PER DIVISION
210˚
60˚
90˚
120˚
LEGEND
200 Hz
150˚
180˚
1 kHz
5 kHz
8 kHz