Shure KSM-32

Specifications

Cartridge Type
Permanently-biased Condenser
Frequency Response
20 to 20,000 Hz
Directional Polar Pattern
Cardioid
Output Impedance
150 ohms (actual)
Attenuation Switch
0 or -15 dB attenuation
Low Frequency response switch
flat -6 db/octave below 115 Hz
-18 dB/octave below 80 Hz
Phantom Power
48 Vdc +/- 4 Vdc (IEC-268-15/DIN 45 596), positive pins 2 and 3
Current Drain
4.65 mA typical at 48 Vdc
Common Mode Rejection
> 50 dB, 20 Hz to 20 kHz
Polarity
Positive pressure on diaphragm produces positive voltage on output pin 2 relative to pin 3
Dimensions and Weight
55.9 mm (2.20 in.) maximum body diameter, 187 mm (7.37 in.) long
490 grams (17.3 oz.)

Sensitivity (typical, at 1000 Hz; 1 Pa = 94 dB SPL)
-36 dBV/Pa (16 mV)
Self-noise (typical, equivalent SPL; A-weighted, IEC 651)
13 dB
Maximum SPL at 1000 Hz
139 (154) dB
133 (148) dB
Output Clipping Level*
2500 ohm load (Attenuator on): 9 dBV
1000 ohm load (Attenuator on): 3 dBV
*20 Hz to 20 kHz; THD < 1%. THD of microphone
-18 dB/octave below 80 Hz
Phantom Power
48 Vdc +/- 4 Vdc (IEC-268-15/DIN 45 596), positive pins 2 and 3
Current Drain
4.65 mA typical at 48 Vdc
Common Mode Rejection
> 50 dB, 20 Hz to 20 kHz
Polarity
Positive pressure on diaphragm produces positive voltage on output pin 2 relative to pin 3
Dimensions and Weight
55.9 mm (2.20 in.) maximum body diameter, 187 mm (7.37 in.) long
490 grams (17.3 oz.) preamplifier when applied input signal is equivalent to cartridge output at specified SPL
Dynamic Range
2500 ohm load: 126 dB
1000 ohm load: 119 dB
Signal to Noise ratio**
81 dB
**S/N ratio is difference between 94 dB SPL and equivalent SPL of self-noise, A-weighted
Total Harmonic Distortion (THD), 2500 ohm load
<0.08% for a 120 dB equivalent SPL input