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OmnidirectionalCardioidMXL 604

  Street: $85 / MSRP: $179 Detachable-Capsule Pencil Condenser Microphone

MXL 604

Description

The MXL 604 is a detachable-capsule FET condenser in a classic “pencil mic” form factor. It is similar to the MXL 603S, but adds a high-pass filter and -10dB pad to the 603S design.

Note that the HPF and pad are on the same switch; either the HPF, or the pad can be engaged, but not both simultaneously.

Like the 603/603S, the 604 has a transformerless output circuit that is said to “[provide] a solid bottom and an extremely open top end sound.”

The mic’s capsule, generally referred to as the 603 capsule, in that it originally appeared on the MXL 603. It is a 16.75mm diameter diaphragm in a 20.5mm capsule. It was intended as a copy of the Neumann KM84/KM184 capsule.

The 604’s cardioid and omni capsules are interchangeable with the 603S.

The MXL 604 is supplied with mic clip, a windscreen, and a wood storage box.

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The mic was released in 2002.

Specifications

Compatible Capsules
MXL 603/604 CardioidCardioid MXL 603/604 Cardioid
17mm Cardioid capsule
Sensitivity: 15 mV/Pa
Freq. Resp.: 30 - 20,000 Hz
MSRP: $79 | Still In Production
MXL 603/604 OmniOmnidirectional MXL 603/604 Omni
17mm Omnidirectional capsule
Sensitivity: 15 mV/Pa
Freq. Resp.: 30 - 20,000 Hz
MSRP: $79 | Still In Production
OktavaMod MJE-K47HCardioid OktavaMod MJE-K47H
large diaphragm Cardioid capsule
Sensitivity: n/a
Freq. Resp.: n/a
MSRP: $349 | Still In Production
Pads & Filters Impedance SPL/Noise
  • Pad: -10 dB pad (Via Switch)
  • Filter: 6 dB @ 150 Hz HPF (Via Switch)
 150 Ohms (Low) Max SPL: 137 dB
Self-noise: 17.0 dB(A)
Weight Length Max Diameter Interface(s)
136g (4.80oz) 133mm (5.24'') 22mm (0.87'')
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power
  • Phantom voltage: 48v

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