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Gauge Microphones ECM-84

Detachable-Capsule Pencil Condenser Microphone

The ECM-84 is Gauge’s low-cost pencil condenser microphone. It provides Cardioid and Omnidirectional pickup patterns via a pair of interchangeable capsules.

The capsules are true condensers (externally biased), and are believed to have 22mm diaphragms.

Two switches on the microphone body provide access to a -10dB pad and a high-pass filter (slope and cutoff frequency unknown). These switches differentiate the ECM-84 from some competitive models; the MXL 604, for example, has a single switch that can engage the pad or filter, but not both, whereas the Advanced Audio CM-54 provides a two-position pad and two-position filter.

The ECM-84 bears a superficial similarity to the Apex 185 and Alctron HST-02A, but boasts lower self-noise than both.

The ECM-84 ships with an elastic shockmount, two interchangeable capsules — one cardioid, one omni — and a padded wooden storage box.

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The mic was released in 2009.

Specifications

Compatible Capsules
Gauge Microphones ECM-84 Cardioid Cardioid capsule Sensitivity: 9 mV/Pa CHARTFreq. Resp.: 30 - 20,000 Hz MSRP: n/a | Still In Production Gauge Microphones ECM-84 Omni Omnidirectional capsule Sensitivity: 9 mV/Pa Freq. Resp.: 30 - 20,000 Hz MSRP: $89 | Still In Production

Pads & Filters	Impedance	SPL/Noise
Pad: -10dB (Via Switch) Filter: HPF (Via Switch)	200 Ohms (Low)	Max SPL: 129 dB Self-noise: 18.0 dB(A)

Weight	Length	Max Diameter	Interface(s)
n/a	133mm (5.24'')	25mm (0.98'')	3-pin XLR male (1)

Power Specifications
Requires phantom power Phantom voltage: 48v

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