D 770

High-output neodymium transducer

Rugged construction

Highly efficient windscreen

Frequency response optimized for intelligibility

Dynamic microphone for miking instruments and backing vocals in tough night-after-night onstage use. The D 770 features a cardioid polar pattern that is virtually the same for all frequencies ("frequency independent") and uses a patented AKG Varimotion diaphragm.

The D 770 is fitted with a shock absorbing steel wire-mesh inner grill and a wire-mesh outer grill for transducer protection against damage.

The outer grill and a layer of special fabric beneath it form a very effective windscreen that will suppress pop and breath noise as well as sibilance. The extended frequency response of the D 770 slightly emphasizes the mid and treble ranges to ensure good intelligibility.

The microphone shall be a unidirectional dynamic microphone with a neodymium magnet. It shall be provided with a detachable cap for easy cleaning of the windscreen, and a transducer shock mount for suppression of cable and footfall noise. The frequency response of the microphone shall be designed for general miking use. The microphone shall have a frequency range from 60 to 20,000 Hz; sensitivity at 1 kHz of 2.5 mV/Pa; electrical impedance of 600 ohms. Its length shall be 181 mm (7.1 in.), its maximum diameter 50 mm (2 in.). The microphone shall have a net/shipping weight of 290/650 g (10.4 oz./1.4 lbs.) and matte black finish. The microphone shall be the AKG D 770.

Polar pattern	cardioid
Frequency range	60 to 20,000 Hz
Equivalent noise level	22 dB (A) to DIN 45412
Impedance	<=600 ohms
Recommended load impedance	>=2000 ohms
Connector	3-pin male XLR
Finish	matte black enamel
Net weight	290 g / 10.4 oz.
Shipping weight	650 g / 1.4 lbs.
Patent(s)	Varimotion – multiple-thickness diaphragm for dynamic transducer (Patent no. AT 403.751, US 6,185,809, EP 814.637) (DE, DK, FI, FR, GB, IT, NL)

D 770
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