AKG D 550

AKG D 550



The D 550 is a unidirectional dynamic microphone. It has been designed primarily for tough onstage use on bass instruments including kick drum, tuba, trombone, bass amps, etc. and uses a patented AKG Varimotion diaphragm. The wide frequency response of this microphone slightly emphasizes the mid and high frequencies to ensure a powerful sound. The D 550 has a cardioid polar response. This means the microphone is most sensitive to sound arriving from in front of it, less sensitive to sound arriving from the sides, and hardly responds to sound from the rear. This pickup pattern is virtually the same for all frequencies ("frequency independent"). The strong plastic housing and the wire-mesh outer grille of the D 550 protect the transducer system from damage. The outer grille and a layer of special fabric beneath it form a very effective windscreen to suppress pop and wind noise. An integrated stand adapter provides for precise microphone alignment with the instrument.

Specifications

- Polar pattern: cardioid

- Frequency range: 20 to 20,000 Hz

- Sensitivity: 2.5 mV/Pa (-52 dBV re 1 V/Pa) at 1,000 Hz

- Max. SPL: 147 dB SPL (156 dB SPL) for 1% (3%) THD

- Equivalent noise level: 18 dB (A) to DIN 45412

- Impedance: <=600 ohms

- Recommended load impedance: >=2,000 ohms

- Connector: 3-pin XLR

- Finish: matte black enamel

- Dimensions: 121 mm (4.8 in.) x 104 mm (4.0 in.) x dia. 46 mm (1.8 in.)

- Net weight: 203 g (7.2 oz.)

- Shipping weight: 563 g (1.2 lb.)

- Patent(s): Varimotion – multiple-thickness diaphragm for dynamic transducer (Patent no. AT 403.751, US 6.185.809)

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