Audio-Technica ATM-DRUM7 Datasheet

ATM230

12" or more on axis

LEGEND

Frequency in Hertz

Response in dB

10 dB

100

200

10k

500

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-prole 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 specically 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 outtted 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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Specications

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

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

Specications are subject to change without notice.

professionals on request.

= 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

Frequency in Hertz

10k

20k

LEGEND

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