Shure Incorporated KSM Series Large Dual-Diaphragm Side-Address Condenser Vocal Microphone KSM42

This premium side-address, cardioid 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.
Prethos Advanced Preamplifier Technology employs transparent internal circuitry architectures that enable unprecedented audio quality and performance.
Cartridge Type
Dual-Diaphragm, Front-Active, Externally Biased Condenser
Frequency Response
60 to 20,000Hz
Polar Pattern
Cardioid
Output Impedance
147
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 load: 139 dB
2500 load: 139 dB
THD of microphone preamplifier when applied input signal is equiva® lent to cartridge output at specified SPL
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 load: 131 dB
2500 load: 131 dB
Common Mode Rejection (10 Hz to 100 kHz)
> 60 dB
Clipping Level (20Hz-20 kHz at 1% THD)
1000 load: 6.5 dBV
2500 load: 8 dBV
Self Noise (typical, equivalent SPL, A-weighted)
8.5 dB
Polarity
Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Weight
Net: 494 g
with shock mount and pop filter: 820 g
Connector
Three-pin professional audio (XLR), male
Power Requirements
11 to 52 Vdc phantom, 6 mA