Audio Proz Service and Sales

CAD Trion 6000 Modification

(Modification)

Aug 20th, 2015

Here’s another product that totally outperforms everything in its price category of $200. Now I can offer a truly clever modification to make this modern, high sensitivity, wide bandwidth microphone sound more like a vintage mic with less dynamic sensitivity and a thicker, fatter bass and midrange.

I modify the pad switch circuitry to create a fuller, warmer character by using a capacitor and resistor pair to dampen the feedback loop gain of the microphone. When the switch is engaged, a response dip in midrange bass and a slight midrange presence lift occurs. The mic takes on a nice, vintage character with thick, plump, warm sonics but without a loss of the high frequency clarity. This filter is especially useful for making euphonic corrections of mid-field recordings (mic placement at one to four feet out), whether they are of voice, guitar, or drums. In my opinion, this equalizer, filter, and phase corrector circuit is the perfect way to correct for the predominance effect. Now I can easily switch between voicings for piano or guitar while the microphone is moved only a foot in or out.

Also modified is the predominance correction circuit. The changes will affect a midrange dip response to make near-field mic placement sound more correct in the final mix. This five-part modification also further reduces the noise floor of the microphone. Now it is dead quiet; I kid you not! This is now one of the most used microphones in my studio.

A new, AudioPro modified CAD Trion 6000 costs $300, or we can modify your mic and ship it back to you for $160.

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