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CardioidADK S-7B

Cardioid Condenser Microphone

The ADK S-7B is a large-diaphragm transformerless FET condenser microphone derived from the S-7, a high-SPL instrument microphone that shares the 7B’s capsule and circuitry.

The S-7B differs from the S-7 in tone, because the S-7B has an EQ circuit hardwired into the amplifier to produce a smoother, “mellower” tone that has been compared to the sound of ribbon microphones. It was originally intended for brass recordings where high SPL capability and mellow tone would be appropriate, and was produced as a “one-off” within ADK’s Custom Shop. The S-7B was officially added to the product line in 2008.

The S-7B ships with a black wooden jeweler’s case and a metal “ring mount.” Available separately is ADK’s “Pro Kit,” which includes a Neutrik XLR cable, a pop filter, a foam windscreen, an elastic shockmount, and a metal flightcase (with room for the wooden mic case).

Trumpetman, 2007

Mic “B” coupled with the [Great River ME 1NV] had the best tone of all mics, to include the Telefunken [AK47] and the [Cascade] Fat Head.

Mark Isham

If you record brass, if you play brass, you shouldn’t be without an S7b.

The ADK S-7B is also known as: S7B.

The mic was released in 2008.


Pickup Patterns Pads & Filters
Cardioid (12 mV/Pa; 20 - 20,000 Hz)
  • Pad: -8dB (Via Switch)
  • Pad: -18dB (Via Switch)
  • Filter: HPF @ 100Hz (Via Switch)
  • Filter: HPF @ 150Hz (Via Switch)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 25mm
Capsule diameter: 32mm
Diaphragm gauge: 6 microns
n/a Max SPL: 150 dB
Self-noise: 15.0 dB(A)
Weight Length Max Diameter Interface(s)
n/a n/a n/a
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power

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