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Sennheiser Electronics Corporation e 901

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CardioidSennheiser Electronics Corporation e 901

Cardioid Condenser Microphone

The e901 is a boundary microphone designed specifically for use on kick drum. It has an electret condenser element and a half-spherical pickup pattern (as is typical for boundary microphones).

According to MIX, the capsule is Sennheiser’s KE10, with a diameter of 10mm.

Unlike most boundary mics, the e901 has a frequency response tailored for use on kick drums: its amplifier circuit equalizes the mic’s output signal by scooping the mid frequencies slightly. The mic has a broad, flat HF boost: +12dB from 3kHz–12kHz.

MIX, 2005-09

This mic produces an extremely sharp, percussive attack that is natural-sounding because it is real and not contrived by EQ’ing and compressing a main kick mic. However, you must use another mic to get the rest of the kick’s sound to complete the sonic picture.

The Sennheiser Electronics Corporation e 901 is also known as: e901, evolution 901.


Frequency Response - CardioidClick Graph to Compare!
e 901 Cardioid Frequency Response Chart
Pickup Patterns Pads & Filters
Cardioid (0.5 mV/Pa; 20 - 20,000 Hz)
Capsule Dimensions Impedance SPL/Noise
Capsule diameter: 10mm
n/a Max SPL: 154 dB
Weight Length Max Diameter Interface(s)
550g (19.40oz) 126mm (4.96'') n/a
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power
  • Phantom voltage: 48v

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