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Large Dual-Diaphragm Vocal Microphone
The Shure KSM Microphone Series
KSM 42 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 KSM-42, 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.
→ Highly consistent cardioid polar pattern creates a broad sweet spot and natural off-axis response→ 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→ Prethos Advanced Preamplifier Technology exhibits extremely low self-noise with superior dynamic range, transient response and ultra-low distortion for transparent 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
| Transducer Type|| Dual-Diaphragm, Front-Active, Externally Biased Condenser|
| Frequency Response|| 60 to 20,000 Hz|
| Polar Pattern|| Cardioid|
| 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|
| 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|
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Audio Video Supply Inc.
4575 Ruffner St
San Diego, CA 92111
Prices and specifications subject to change without notice.