Sennheiser MD 421-U Cardioid Dynamic Microphone

Sennheiser MD 421-U Cardioid Dynamic Microphone

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  • Robert's Musical Instruments
    Moncton, Canada
    (69)
    Sennheiser MD-421
    Used – Mint
    Original Price$322.51
    New Price$287.04
    + $76.79 Shipping
    $35.47 Off
    Robert's Musical Instruments
    Moncton, Canada
    (69)
  • GEAR UP
    Amsterdam, Netherlands
    (44)
    Sennheiser MD421-2
    Used – Very Good
    Price$385.39
    + $165.17 Shipping
    GEAR UP
    Amsterdam, Netherlands
    (44)
  • Paul's Mic Store
    San Francisco, CA, United States
    (15)
    Original Price$300
    New Price$250
    + $15 Shipping
    $50 price drop
    Paul's Mic Store
    San Francisco, CA, United States
    (15)
  • Gear Mart
    Allegan, MI, United States
    (1,927)
    Price$299.99
    + $20 Shipping
    Gear Mart
    Allegan, MI, United States
    (1,927)
  • EJJ Recording
    Chicago, IL, United States
    (46)
    Sennheiser MD421-II
    Used – Good
    Original Price$345
    New Price$251
    + $20 Shipping
    $94 price drop
    EJJ Recording
    Chicago, IL, United States
    (46)
  • EJJ Recording
    Chicago, IL, United States
    (46)
    Sennheiser MD421-II
    Used – Very Good
    Original Price$345
    New Price$251
    + $20 Shipping
    $94 price drop
    EJJ Recording
    Chicago, IL, United States
    (46)
  • Eric's Gear Depot
    Los Angeles, CA, United States
    (62)
    Sennheiser MD421-U-5
    Used – Excellent
    Original Price$650
    New Price$575
    + $15 Shipping
    $75 price drop
    Eric's Gear Depot
    Los Angeles, CA, United States
    (62)
  • Bucket List Guitars
    San Luis Obispo, CA, United States
    (12,335)
    Original Price$239
    New Price$199
    + $15 Shipping
    $40 price drop
    Bucket List Guitars
    San Luis Obispo, CA, United States
    (12,335)
  • Bucket List Guitars
    San Luis Obispo, CA, United States
    (12,335)
    Original Price$249
    New Price$199
    + $15 Shipping
    $50 price drop
    Bucket List Guitars
    San Luis Obispo, CA, United States
    (12,335)
  • Mesilla Valley Pro Music
    Las Cruces, NM, United States
    (191)
    Price$369.95
    + $7.95 Shipping
    Mesilla Valley Pro Music
    Las Cruces, NM, United States
    (191)
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Overview

The Sennheiser MD 421 was released in 1960 to much acclaim, with a very tight cardioid polar pattern that borders on "supercardioid" at many frequencies and a clear, present sound that was far superior to most dynamic mics of the era.

The MD 421-U models (U-4 and U-5) feature a 3-pin XLR connector and a switchable high-pass filter that goes from "M" for music (full bandwidth) to "S" for speech (low frequencies attenuated). The U-4 model's original clip had a mount threaded for 3/8" stands, while the U-5 was threaded for 5/8" American stands. Being that most examples seen and sold today have replacement clips, this page will show both versions as they are otherwise interchangeable.

Product Specs

Brand
Model
  • MD 421-U Cardioid Dynamic Microphone
Finish
  • Black
  • White
Year
  • 1960s
Made In
  • Germany
Categories
Electronics
  • Passive
Microphone Type
  • Dynamic
Polar Pattern
  • Cardioid
Wired/Wireless
  • Wired

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