Sennheiser MD 421-II Microphone

BH #SEMD4212 • MFR #MD421II
Sennheiser MD 421-II Microphone
Key Features
  • Dynamic Capsule Design
  • Cardioid Polar Pattern
  • 5-Position Bass Roll-Off
  • Includes Lock-On Stand Adapter
The Sennheiser MD 421-II Microphone is a cardioid, dynamic microphone popularized by the recording and broadcast industry. The MD 421-II is favored for its ability to handle a variety of applications due to its flexible bass control. The microphone features a 5-position bass roll-off switch and frequency response of 30 to 17,000 Hz. The cardioid polar pattern effectively rejects off-axis noise due to room acoustics and noise, and also provides effective feedback rejection often caused by monitors positioned within close proximity.

The MD 421-II features a dynamic capsule, allowing even signal response whether close-up or at a reasonable distance. This is particularly useful for broadcast applications, where announcers and DJs can refrain from remaining absolutely stationary. The MD 421-II also handles very high sound pressure levels, making it suitable for miking instruments high in transient (peak) response.

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Sennheiser MD 421-II Overview

  • 1Description
  • 2Dynamic Capsule
  • 3Cardioid Polar Pattern
  • 45-Position Bass Roll-Off

The Sennheiser MD 421-II Microphone is a cardioid, dynamic microphone popularized by the recording and broadcast industry. The MD 421-II is favored for its ability to handle a variety of applications due to its flexible bass control. The microphone features a 5-position bass roll-off switch and frequency response of 30 to 17,000 Hz. The cardioid polar pattern effectively rejects off-axis noise due to room acoustics and noise, and also provides effective feedback rejection often caused by monitors positioned within close proximity.

The MD 421-II features a dynamic capsule, allowing even signal response whether close-up or at a reasonable distance. This is particularly useful for broadcast applications, where announcers and DJs can refrain from remaining absolutely stationary. The MD 421-II also handles very high sound pressure levels, making it suitable for miking instruments high in transient (peak) response.

Dynamic Capsule

The MD 421-II features a dynamic capsule, resulting in even signal response in close and reasonable distances as well as the capacity to handle high SPL levels.

Cardioid Polar Pattern

The cardioid polar pattern is effective in attenuating off-axis noise and ambiance. The cardioid polar pattern is also effective in rejecting feedback due to monitors.

5-Position Bass Roll-Off

The 5-position low frequency roll-off switch offers flexible bass attenuation allowing the microphone to be used in a variety of situations.
UPC: 615104009844

Sennheiser MD 421-II Specs

Microphone
Operating PrinciplePressure Gradient
CapsuleDynamic
Polar PatternCardioid
Performance
Frequency Range30 Hz to 17 kHz
Impedance200 Ohms
Connectivity
Output Connectors (Analog)1 x XLR 3-Pin
Physical
DimensionsH: 2 x W: 1.88 x L: 8.38" / H: 46 x W: 49 x L: 215 mm
Weight14 oz / 385 g
Packaging Info
Package Weight1.9 lb
Box Dimensions (LxWxH)13.9 x 5.3 x 2.8"
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question

what is the specs for the bass roll off switch for the 421?
Asked by: Anonymous
There are actually 5 roll off settings on the 421. The M position is for Music and no roll off's are engaged. At the other end of the spectrum S is for Speech which is the steepest roll off. Each turn of the roll off switch offers a steeper suppression of the entire frequency range beginning roughly at 1000Hz. So if one starts at M with each click of the roll off ring one click sees 100Hz being suppressed by 4dB,another click suppress 100Hz by an additional 3dB and so on.Remember the roll off is gradual at 6dB per octave. Resulting in a gentle slope as opposed to a cut off. Best uses are Tom Tom's, electric guitar and percussion.
Answered by: John P.
Date published: 2021-07-21
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