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OmnidirectionalCardioidBidirectionalMiktek C7

Multi-Pattern Condenser Microphone

The C7 is a three-pattern FET condenser with a large-diaphragm capsule. The mic was designed with input from AMI, and uses AMI’s T7 output transformer.

The capsule is built in China to Miktek’s specifications. It is a member of the K67 family. This variation is most similar to Neumann’s K87, in that the two backplates are electrically isolated from one another (and therefore the two sides of the capsule require four output wires rather than three).

The diaphragms measure 25mm in diameter, and are made of 5-micron Mylar, metallized with gold.

The C7 has a unique feature in that the user can select the capsule polarization voltage.


At +48 volts, the capsule’s diaphragm is under less tension, so it is able to react to extremely subtle changes in sound pressure; enabling the microphone to capture the slightest nuances in any performance. When the bias voltage is set to +60 volts, the C7 is extremely accurate and articulate.

The 60V setting has alternatively been described as a more “modern” sound.

The mic’s sensitivity and self-noise vary with pattern:

Cardioid35.5 mV/Pa13 dBA
Omnidirectional12.5 mV/Pa22 dBA
Figure-of-819.9 mV/Pa18 dBA

Tape Op, 2011
For both female vocals and acoustic guitar, the C7 provided sounds that fit inside my mixes with very little EQ necessary. Many of the newly designed vocal mics have friendly response curves and specs � but no real vibe, or flattery. The Miktek C7, however, brings some real mojo to the table and enhances the source, without clouding or coloring the sound in an unexpected way.

The C7 ships with a wooden storage case for the mic, a swivel mount, and an elastic shockmount, in an aluminum flightcase.

Permalink: Miktek C7

The mic was released in 2010.


Frequency Response - OmnidirectionalClick Graph to Compare!
C7 Omnidirectional Frequency Response Chart
Frequency Response - CardioidClick Graph to Compare!
C7 Cardioid Frequency Response Chart
Frequency Response - BidirectionalClick Graph to Compare!
C7 Bidirectional Frequency Response Chart
Pickup Patterns Pads & Filters
Omnidirectional (12.5 mV/Pa; 20 - 17,000 Hz)
Cardioid (35.5 mV/Pa; 20 - 16,000 Hz)
Bidirectional (19.9 mV/Pa; 25 - 13,000 Hz)
  • Pad: -10dB (Via Switch)
  • Filter: HPF (Via Switch)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 25mm
Diaphragm gauge: 5 microns
Weight Length Max Diameter Interface(s)
n/a n/a n/a
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power
  • Phantom voltage: 48v

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