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Mods for the V67G

  • OktavaModOktavaMod
    Michael Joly’s V67g mod contains a suite of upgrades: new FET, open headbasket, internal wiring, capacitors. The stock capsule and transformer are retained, but improved through the other component changes.

CardioidMXL V67G

Cardioid Condenser Microphone

The V67/V67G is a large-diaphragm cardioid FET condenser with a transformer-coupled output.

According to MXL, the mic was originally called the V67, then changed to “V67G” to differentiate it from the other microphones that were added to the V67 series.

The mic’s capsule has a 25mm diaphragm made of 6-micron Mylar; it appears to be identical to the 32mm K67-style capsule used in most of MXL’s large-diaphragm condensers.

V67GThis capsule’s natural high-frequency peak is attenuated by a built-in (non-switched) equalization circuit., which is a derivative of a similar circuit in the Neumann U87. The circuit sends negative feedback to the capsule, causing high-frequency attenuation. However, our own test results show that this circuit is attenuating the capsule’s output by only ~1dB in the upper midrange (above 4kHz) and only ~2dB above 12kHz. See sidebar link.

The output circuit, unlike the U87, is an “emitter follower” design. It uses a second stage transistor and a low-turns-ratio output transformer (~2:1). This circuit is similar to that of the AKG C414 EB.

In the sample we tested, the V67G’s capsule (backplate) is polarized to +35VDC.

The headbasket grille is a 2-layer metal mesh with a gold finish.

The capsule and amplifier circuitry of the V67G are identical to those of the MXL 2001.

The amplifier and output circuitry of the V67G is identical to the V67I; the difference between the two mics is in the capsule. Both mics are fixed-Cardioid, but the V67I uses a dual-sided capsule with an alternate tuning on the rear side, and a two-way “warm/bright” EQ switch.

Mojo Pie

I’ve had this mic for about 18 months and have used it primarily for vocals. It’s become one of my first choices for warming up a harsher female voice. The V67G excels at taking the edge off of any singer that may be a little strident in the upper midrange area. In side-by-side testing, it has beat out a Rode Classic, an AT 4033 and a Gefell UM-70S on several different singers. On others it hasn’t, but every home recordist should be aware that no single mic will work well on every source. And, they should also understand you get what you pay for and the V67 is no exception.

Permalink: MXL V67G


Frequency Response - CardioidClick Graph to Compare!
V67G Cardioid Frequency Response Chart
Pickup Patterns Pads & Filters
Cardioid (15 mV/Pa; 30 - 20,000 Hz)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 25mm
Capsule diameter: 32mm
Diaphragm gauge: 6 microns
200 Ohms (Low) Max SPL: 130 dB
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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