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High-output neodymium transducer Cardioid instrument microphone Designed specifically for bass instruments Extremely rugged Mounts on stands or instruments

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

Polar pattern Cardioid Frequency range 20 to 20000 Hz Sensitivity 2.5 mV/Pa (-52 dBV re 1 V/Pa) at 1000 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 >=2000 ohms Connector 3-pin male 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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