Shure KSM Series - Dynamic Range; Clipping Level; Self Noise; Common Mode Rejection

Dynamic Range
@ 1 kHz
BidirectionalOmnidirectionalCardioid
131 dB134 dB130 dB2500 Ω load
128 dB131 dB127 dB1000 Ω load
Clipping Level
20 Hz to 20 kHz, 1% THD
9 dBV2500 Ω load
6 dBV1000 Ω load
Self Noise
equivalent SPL, A-weighted, typical
BidirectionalOmnidirectionalCardioid
7.5 dB SPL-A6 dB SPL-A4 dB SPL-A
Common Mode Rejection
10 to 100,000 kHz
≥50 dB
Attenuator Switch
-15 dB
Low-Frequency Filter Switch
Flat, –6 dB/octave below 115 Hz, or –18 dB/octave below 80 Hz
Connector
Three-pin professional audio (XLR), male, balanced
Polarity
Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Power Requirements
11–52 V DC[4] phantom power (IEC-61938) 5.8 mA, maximum
Net Weight
492 g (17.4 oz.)
0 1 2 3
0
[1] 1 Pa=94 dB SPL
1
[2]THD of microphone preamplifier when applied input signal level is equivalent to cartridge output at specified SPL
2
[3]S/N ratio is the difference between 94 dB SPL and equivalent SPL of self noise, A-weighted
3
[4]All specifications measured with a 48 Vdc phantom power supply. The microphone operates at lower voltages, but with slightly decreased headroom and
sensitivity.
Shure IncorporatedKSM44A Multi-Pattern Dual Diaphragm Microphone
2017/10/054/5