Shure KSM137 User Manual page 7

7/13/22, 10:44 AM
1000 Ω load
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
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) 4.7 mA, maximum
Net Weight
100 g (3.5 oz.)
[1] 1 Pa=94 dB SPL
[2]THD of microphone preamplifier when applied input signal level is equivalent to cartridge
output at specified SPL
[3]S/N ratio is the difference between 94 dB SPL and equivalent SPL of self noise, A-
weighted
[4]All specifications measured with a 48 Vdc phantom power supply. The microphone
operates at lower voltages, but with slightly decreased headroom and sensitivity.
https://pubs.shure.com/guide/KSM137/en-US?_gl=1*gkrqp2*_ga*MjEyMjg5NjA0NS4xNjU3NzA1NDc3*_ga_DB3CR9SF0C*MTY1NzcwNTQ3Ny...
Publications
KSM137 User Guide
3 dBV

7/10