Shure KSM42/SG Quick Start Guide

Product Speciﬁcations

KSM42 Large Dual-Diaphragm Side-address Condenser Vocal Microphone

Overview

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 exhibits exceptionally smooth proximity control and ultra-wide dynamic range. The KSM42 is the premier choice for capturing sophisticated, powerful and intimate vocal performances.

Features

• 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

Available Models

KSM42/SG Includes ShureLock® Shock Mount, Popper Stopper™ Magnetic Pop Filter, Aluminium Carrying Case, and Velveteen Pouch

Specifications

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) Maximum SPL

(1 kHz at 1% THD) Signal-to-Noise Ratio

(referenced at 94 dB SPL at 1 kHz) Dynamic Range

(at 1 kHz) Common Mode Rejection

(10 Hz to 100 kHz) Clipping Level

(20Hz-20 kHz at 1% THD) Self Noise

(typical, equivalent SPL, A-weighted) 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

Accessories and Replacement Parts

A42VB

A42SM

Protective Velveteen Pouch

ShureLock

Rubber Suspension Shock Mount

−37 dBV/Pa (14.1 mV) 1 Pascal=94 dB SPL

1000 ohms load: 139 dB 2500 ohms load: 139 dB

86 dB S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted

1000 ohms load: 131 dB 2500 ohms load: 131 dB

> 60 dB

1000 ohms load: 6.5 dBV 2500 ohms load: 8 dBV

8.5 dB

A42SC

A42OR

Aluminium Carrying Case

Suspension Mount O-rings (4)

A42PF

PopperStopper

Magnetic Pop Filter

KSM42

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180 °

–20 dB –15 dB

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+5 dB

Polar Pattern Frequency Response

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