Shure KSM42/SG | Dual Diaphragm Side Address Condenser Vocal Microphone Sable Gray

Condenser Microphone

This premium side-address, condenser microphone features a large dual-diaphragm capsule, optimized for world-class vocal recording and performance applications. With a tailored frequency response and extensive internal and external pop filtering, the single-pattern, dual-diaphragm design of the KSM42, featuring Prethos Advanced Preamplifier Technology exhibits an exceptionally smooth proximity control and ultra-wide dynamic range. The KSM42 is the premier choice for capturing sophisticated, powerful and intimate vocal performances.

A milestone achievement in sound reinforcement, Prethos Advanced Preamplifier Technology employs transparent internal circuitry architectures that enable unprecedented audio quality and performance.

Key Features

  • Highly consistent 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 grille
  • Internal shock mount to reduce unwanted handling and stand noise

Technical Specifications

Transducer Type
Dual-Diaphragm, Front-Active, Externally Biased Condenser
Frequency Response
60 to 20,000 Hz
Output Impedance
147 ohms
Sensitivity (at 1 kHz, open circuit voltage)
37 dBV/Pa (14.1 mV)
1 Pascal=94 dB SPL
Maximum SPL (1 kHz at 1% THD)
1000 ohms load: 139 dB
2500 ohms load: 139 dB
Signal-to-Noise Ratio (referenced at 94 dB SPL at 1 kHz)
86 dB
S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted
Dynamic Range (at 1 kHz)
1000 ohms load: 131 dB
2500 ohms load: 131 dB
Common Mode Rejection (10 Hz to 100 kHz)
> 60 dB
Clipping Level (20Hz-20 kHz at 1% THD)
1000 ohms load: 6.5 dBV
2500 ohms load: 8 dBV
Self Noise (typical, equivalent SPL, A-weighted)
8.5 dB
Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Net: 494 g. with shock mount and pop filter: 820 g
Three-pin professional audio (XLR), male
Power Requirements
11 to 52 Vdc phantom, 6 mA

SKU: SHU-MIC-KSM42SG Category:

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