Shure KSM141 Guide De L'utilisateur page 7

Specifications
Cartridge Type
Electret Condenser
Polar Pattern
Cardioid, Omnidirectional (selectable)
Frequency Response
20 to 20,000 Hz
Output Impedance
150 Ω
Sensitivity
open circuit voltage, @ 1 kHz, typical
–37 dBV/Pa[1] (14.1 mV)
Maximum SPL
1 kHz at 1% THD[2]
PAD ON 5000 Ω load
2500 Ω load
1000 Ω load
PAD OFF 5000 Ω load
2500 Ω load
1000 Ω load
Signal-to-Noise Ratio[3]
80 dB
Dynamic Range
@ 1 kHz
5000 Ω load 131 dB
2500 Ω load 125 dB
1000 Ω load 120 dB
Clipping Level
20 Hz to 20 kHz, 1% THD
5000 Ω load 15 dBV
2500 Ω load 9 dBV
1000 Ω load 3 dBV
Self Noise
equivalent SPL, A-weighted, typical
14 dB SPL-A
Common Mode Rejection
10 to 100,000 kHz
≥50 dB
Attenuator Switch
0, -15, -25 dB
Low-Frequency Filter Switch
Connector
Polarity
Power Requirements
Net Weight
[1] 1 Pa=94 dB SPL
[2]THD of microphone preamplifier when applied input
170 dB
signal level is equivalent to cartridge output at speci-
fied SPL
164 dB
159 dB
[3]S/N ratio is the difference between 94 dB SPL and
equivalent SPL of self noise, A-weighted
145 dB
139 dB [4]All specifications measured with a 48 Vdc phantom
power supply. The microphone operates at lower
134 dB
voltages, but with slightly decreased headroom and
sensitivity.
7
Flat, –6 dB/octave below 115 Hz, or –18 dB/octave
below 80 Hz
Three-pin professional audio (XLR), male, balanced
Positive pressure on diaphragm produces positive
voltage on pin 2 with respect to pin 3
11–52 V DC[4] phantom power (IEC-61938) 4.7 mA,
maximum
156 g (5.5 oz.)
20 mm
Overall Dimensions
146 mm