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Mods for the 2003

  • Microphone PartsMicrophone Parts
    The RK-47 capsule from Microphone-Parts.com transforms the MXL 2003’s rising, hyped HF response into a much more neutral, mid-forward tone.
  • OktavaModOktavaMod
    Michael Joly’s mod for the MXL 2003 replaces the stock headbasket with his signature single-layer design. The mic’s K67-style capsule is replaced by the MJE-K47, a Neumann K47-style single-backplate capsule. Internal wiring is upgraded, as are critical front-end capacitors and output transistors.

CardioidMXL 2003

Cardioid Condenser Microphone

The MXL 2003 is a large-diaphragm, fixed-cardioid transformerless FET condenser mic. It is equipped with a high pass filter and -10dB pad.

The capsule uses a 3-micron diaphragm measuring 27mm in diameter, and is believed to have been made by 797 Audio.

MXL 2003 PCBsThe three circuit boards used “through-hole” components, and appear to have been built in the US (based on the silkscreened legend on each board, e.g. “USA NO.1”, “USA NO.2”, etc.

The components are of generally high quality, including Wima film capacitors and a Siliconix J305 JFET. The use of a trimpot on the PCB suggests that the circuit was tuned and optimized after construction.

The circuit appears to be a derivative of the Schoeps transformerless design, with the familiar transistor output stage (2N5401), plus the DC oscillator circuit that shows up on most imported transformerless condensers. It is worth noting that the DC board has room for a second voltage doubler, suggesting that it was borrowed from a 3-pattern mic (as the second doubler is required to provide the +120VDC feed for Fig-8).

In the sample 2003 that we inspected, the front diaphragm is grounded. The backplate is polarized to +40VDC — somewhat low for the LDC capsule.

The MXL 2003 comes with an elastic shock mount (MXL 56).

SoundOnSound

The MXL 2003 is recommended for situations where extra presence and transparency are needed … With some singers, the character of the mic can be slightly aggressive, as I found out during a recording session with a certain particularly raunchy female vocalist, but for anyone in need of air and projection, it actually works very well for adding sparkle without harshness. At the same time, the bottom end remains full and warm, but without the slightly soft character produced by the transformer models in the range.

The MXL 2003 was replaced in 2009 with the 2003A, which uses a different capsule and upgraded electronics.

MIX, 2000

[T]he MXL2003 strikes me as a mic that could very easily find a home in broadcast, ADR and Foley applications, in addition to a multitude of music chores…

In terms of workmanship, these products have a look and feel that is the mark of well-made equipment. At this price point, there really isn’t anything to complain about…

At the time of the mic’s release, its MSRP was $399. More recently, the price has dropped below $200 (list).

Permalink: MXL 2003

The mic was released in 2002.

Specifications

Frequency Response - CardioidClick Graph to Compare!
2003 Cardioid Frequency Response Chart
Pickup Patterns Pads & Filters
Cardioid (16 mV/Pa; 20 - 23,000 Hz)
  • Pad: -10 dB (Via Switch)
  • Filter: HPF: -6 dB @ 150 Hz (Via Switch)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 27mm
Diaphragm gauge: 3 microns
150 Ohms (Low) Max SPL: 140 dB
Self-noise: 18.0 dB(A)
Weight Length Max Diameter Interface(s)
590g (20.81oz) 195mm (7.68'') 55mm (2.17'')
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power
  • Phantom voltage: 48 ± 5v

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