Shure KSM42 Microphone


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Product Code: 9999-08584
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The Shure KSM42 Microphone delivers exceptionally smooth proximity control and ultra-wide dynamic range. It features a natural off-axis response, a dual-diaphragm with a gold Mylar diaphragm, 3-stage grille, and internal shock mount. Ideal for capturing sophisticated, powerful and intimate vocal performances.

The Shure KSM42 Microphone is a premium side-address cardioid vocal microphone featuring a dual-diaphragm capsule, and a tailored frequency response. The design intent of the Shure KSM42 was to craft a large-diaphragm side-address microphone for the primary application of human voice in controlled environments. Much forethought went into crafting the dual-diaphragm capsule to guarantee superior proximity control and a generous and broad “sweet spot”, with extremely consistent sound quality below 1000Hz. With a max SPL of 139 dB and a gradual low-end frequency roll-off built in, pad and filter settings become redundant.

Prethos Advanced Preamplifier Technology
Prethos Advanced Preamplifier Technology consists of highly sophisticated, extremely transparent internal circuitry architectures that enable unprecedented seamless audio, maximizing audio quality for premium microphone performance.

Suspenstion Shock Mound with Magnetic Pop Filter
The Shure KSM42 ships with an open cage ShureLock® rubber suspension shock mount and a low-profile Popper Stopper magnetic pop filter. This allows to setup the microphone and shock mount always with the same distance.

Premium Components
The Shure KSM42 features a dual-diaphragm design with an active front, ultra thin (2.5 micron) 24-karat gold, low mass, 1-inch Mylar® diaphragm, premium electronic components and gold-plated internal and external connectors.

Shure KSM42 Microphone Features

  • Highly consistent cardioid polar pattern creates a broad “sweet spot” and natural off-axis response
  • Prethos™Advanced Preamplifier Technology exhibits extremely low self-noise with superior dynamic range, transient response and ultra-low distortion for transparent recording
  • Dual-diaphragm design with an active front, ultra thin (2.5 micron) 24-karat gold, low mass, 1-inch Mylar® diaphragm
  • Passive back diaphragm delivers exceptional control of low frequency proximity effect
  • Tailored low-frequency roll-off minimizes low frequency room noise
  • Integrated three-stage mesh grille guards against wind and breath noise
  • Open cage ShureLock® rubber suspension shock mount with low-profile Popper Stopper™ magnetic pop filter produces a natural space between performer and microphone
  • Extremely low self noise for critical studio vocal recording
  • Premium electronic components and gold-plated internal and external connectors
  • Durable zinc die-cast housing and hardened low carbon steel to protect the cartridge grille from accidental drops or misuse
  • Internal shock mount to reduce unwanted handling and stand noise

Shure KSM42 Microphone Specifications

  • Transducer Type: Dual-Diaphragm, Front-Active, Externally-Biased Condenser
  • Polar Pattern: Cardioid
  • Frequency Response: 60 to 20,000 Hz
  • Output Impedance: 147 O
  • Sensitivity: (Open Circuit Voltage, @ 1 kHz, Typical) –37 dBV/Pa (14.1 mV)
  • Maximum SPL (1 kHz at 1% THD):
    • 2500 O Load: 139 dB
    • 1000 O Load: 139 dB
  • Signal-to-Noise Ratio: 86 dB
  • Dynamic Range @ 1 kHz:
    • 2500 O Load: 131 dB
    • 1000 O Load: 131 dB
  • Clipping Level (20 Hz to 20 kHz, 1% THD):
    • 2500 O Load: 8.0 dBV
    • 1000 O Load: 6.5 dBV
  • Self Noise (Equivalent SPL, A-Weighted, Typical): 8.5 dB SPL-A
  • Common Mode Rejection: 10 to 100,000 kHz, = 60 dB
  • Connector: 3-Pin Professional Audio (XLR), Male, Balanced
  • Polarity: Positive Pressure on Diaphragm Produces Positive Voltage on Pin 2 with Respect to Pin 3
  • Power Requirements: 11–52 V DC Phantom Power (IEC-61938), 6 mA
  • Net Weight: 494 g
  • Weight with Shock Mount and Pop Filter: 820 g

Shure KSM42 Microphone Includes

  • 1 x Shure KSM42 Microphone
  • 1 x A42PF PopperStopper™ Magnetic Pop-Filter for A42SM Shock Mount
  • 1 x A42SM ShureLock Shock Mount for KSM42 Mic
  • 1x AK42C Carrying Case
  • 1 x A42VB Velveteen Pouch for KSM42 Mic
  • 4 x A42OR Replacement O Rings for Shock Mount
  • 2 Year Warranty

1 Review Hide Reviews Show Reviews

  • 5
    KSM for the Win!
    Ben Mackie

    I've had mine for over 10 years now, it was my first good mic and gateway into the world of condensers - and I still love it. I'll often turn to the KSM when micing a guitar cab or by the soundhole on an acoustic. It's warm and inviting, with a top-end that's bright but not too brittle. Great mic for a home studio enthusiast!