Shure KSM32 - Manual (Page 7)

6
SPECIFICATIONS
*
20 Hz to 20 kHz; THD < 1%. THD of microphone preamplifier when applied input signal is equivalent to cartridge output at specified SPL.
**S/N ratio is difference between 94 dB SPL and equivalent SPL of self-noise, A-weighted.
Cartridge Type Permanently-biased Condenser
Frequency Response 20 to 20,000 Hz (see Figure 4)
Directional Polar Pattern Cardioid (see Figure 5)
Output Impedance 150 Ω (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 (see Figure 6)
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
2500 Ω load (Attenuator on)
1000 Ω load (Attenuator on)
139 (154) dB
133 (148) dB
Output Clipping Level*
2500 Ω load
1000 Ω load
+9 dBV
+3 dBV
Dynamic Range
2500 Ω load
1000 Ω load
126 dB
119 dB
Signal to Noise ratio** 81 dB
Total Harmonic Distortion (THD),
2500 Ω load
<0.08% for a 120 dB equivalent SPL input.