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Mods for the 550

  • Microphone PartsMicrophone Parts
    After swapping the MXL 910’s small capsule for a large-diaphragm K47 or CK-12 type, the microphone becomes very usable. To take the mic to the next level, the exclusive “SMT Mini-Mod” from Microphone-Parts rebuilds the front end circuit to reduce noise, increase sensitivity, and reduce distortion. Choose the RK-47 for a balanced, all-purpose sound, the RK7 for a darker, vintage sound, with ribbon-like smoothness, or the RK-12 for a brighter and more present sound.

MXL 550

Pricing & Availability

  • MSRP: n/a


Reviews & News

CardioidMXL 550

Cardioid Condenser Microphone

The MXL 550 is a small-diaphragm condenser microphone with a transformerless circuit. It is internally identical to the MXL 910, and the new surface-mount MCA SP-1.

550Current production microphones use surface-mount circuit boards. The circuit itself is MXL’s version of the Schoeps transformerless circuit.

The capsule is MXL’s standard 17.1mm diameter, small-diaphragm design, also found on the MXL 990, 910, MCA SP-1, and others.

As of June 2013, the 550 is sold only as part of MXL’s “550/551R Microphone Ensemble,” a two-mic set that also includes a small-diaphragm condenser (the 551). The two mics ship in a padded plastic lunchbox with a polishing cloth and two hard mounts (one per mic).

Permalink: MXL 550


Pickup Patterns Pads & Filters
Cardioid (15 mV/Pa; 30 - 20,000 Hz)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 17.1mm
Capsule diameter: 19.9mm
Diaphragm gauge: 6 microns
200 Ohms (Low) Self-noise: 20.0 dB(A)
Weight Length Max Diameter Interface(s)
320g (11.29oz) 170mm (6.69'') 47mm (1.85'')
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power
  • Phantom voltage: 48±4v

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