SPECIFICATIONS

Transducer Type

Dual-Diaphragm, Front-Active, Externally Biased Condenser

Frequency Response

60 to 20,000Hz

Polar Pattern

Cardioid

Output Impedance

147 Ω

 

Sensitivity

−37 dBV/Pa (14.1 mV)

(at 1 kHz, open circuit voltage)

1 Pascal=94 dB SPL

Maximum SPL

1000

Ω load: 139 dB

(1 kHz at 1% THD)

2500

Ω load: 139 dB

 

THD of microphone preamplifier when applied input signal is equiva-

 

lent to cartridge output at specified SPL

Signal-to-Noise Ratio

86 dB

 

(referenced at 94 dB SPL at 1

S/N ratio is difference between 94 dB SPL and equivalent SPL of self

kHz)

noise, A-weighted

Dynamic Range

1000

Ω load: 131 dB

(at 1 kHz)

2500

Ω load: 131 dB

Common Mode Rejection

> 60 dB

(10 Hz to 100 kHz)

 

 

Clipping Level

1000

Ω load: 6.5 dBV

(20Hz-20 kHz at 1% THD)

2500

Ω load: 8 dBV

Self Noise

8.5 dB

(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

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Shure KSM42 manual Specifications, Maximum SPL