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CardioidMXL V67i

Condenser Microphone

The V67i is a unique FET condenser mic, in that its dual-diaphragm capsule is tuned for two different voicings, “warm” and “bright.” The front diaphragm uses 6-micron Mylar, and the rear uses 8-micron Mylar. A switch beneath the gold headbasket allows selection of the front or rear.

MXL V67i circuitBeneath the capsule, the microphone circuitry is the same as in the V67G (also a cardioid FET condenser): it is a 2-stage FET circuit, with the first stage more or less a copy of the Neumann U87, and the second stage an emitter follower, with a low-ratio output transformer.

V67i frequency response comparisonThe mic’s published frequency response chart shows a significant difference in response between the two sides of the capsule. However, in our own testing we found the mic’s actual performance to differ significantly from the published graphs. (Disclaimer: our test chamber is not anechoic, but does deliver repeatable results that are useful for comparing responses from the same test session, such as pictured at right.)

What we saw in our sample mic (purchased via retail channels) is that the “warm” side peaks at +5.5dB @ 12kHz, while the “bright” side peaks at +6dB @ 10kHz. The latter might be perceived as brighter because it rolls off the highs sharply above 12kHz, whereas the “warm” side has a more gradual rolloff.

A red LED behind the grille indicates which capsule is in use.

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Frequency Response - Cardioid (“Warm”)Click Graph to Compare!
V67i Cardioid Frequency Response Chart
Frequency Response - Cardioid (“Bright”)Click Graph to Compare!
V67i Cardioid Frequency Response Chart
Pickup Patterns Pads & Filters
Cardioid (15 mV/Pa; 30 - 20,000 Hz)
Cardioid (15 mV/Pa; 30 - 20,000 Hz)
  • Pad: -6dB (Via Switch)
  • Filter: HPF @ 150Hz (Via Switch)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 25mm
Capsule diameter: 32mm
Diaphragm gauge: 6 microns
200 Ohms (Low) Max SPL: 140 dB
Self-noise: 20.0 dB(A)
Weight Length Max Diameter Interface(s)
590g (20.81oz) 184mm (7.24'') 47mm (1.85'')
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power
  • Phantom voltage: 48v

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