Specifications - Shure KSM44 User Manual

SPECIFICATIONS

Cartridge Type
Frequency Response
Output Impedance
Attenuation Switch
Low Frequency Response
Switch
Phantom Power
Current Drain
Common Mode Rejection
Polarity
Directional Polar Patterns
Sensitivity
(typical; at 1000 Hz; 1 Pa = 94 dB SPL)
Self-noise
(typical, equivalent SPL; A-weighted, IEC 651)
Maximum SPL @ 1000 Hz
Ω
2500 load (Attenuator on)
Ω
1000 load (Attenuator on)
Output Clipping Level*
Ω
2500
Ω
1000
Dynamic Range
Ω
2500
Ω
1000
Signal to Noise ratio**
Dimensions and Weight
*20 Hz to 20 kHz;THD < 1%. THD of the microphone preamplifier when applied input signal is equivalent to the cartridge
output at specified SPL.
**S/N ratio is difference between 94 dB SPL and equivalent SPL of self-noise A-weighted.
Flat; -6 dB/octave below 115 Hz; -18 dB/octave below
48 Vdc ± 4 Vdc (IEC-268-15/DIN 45 596),
(See Figure 5)
load
load
load
load
55.9 mm (2.20 in.) maximum body diameter, 187 mm
(7.37 in.) long; 490.5 grams (17.30 oz). See Figure 10.
Externally biased condenser
20 to 20,000 Hz
(See Figures 4, 6, 8)
150
0 or 15 dB attenuation
positive pins 2 and 3
5.4 mA typical at 48 Vdc
≥50 dB, 20 Hz to 20 kHz
Positive pressure on front diaphragm produces
positive voltage on output pin 2 relative to pin 3
Cardioid Omnidirectional
(See Figure 7)
-31 dBV/Pa
7 dB
132 (149) dB 138 (151) dB
127 (144) dB 132 (145) dB
7 dBV
1 dBV
125 dB
120 dB
87 dB
6
Ω
(actual)
80 Hz
Bidirectional
(See Figure 9)
-37 dBV/Pa -36 dBV/Pa
10 dB
137 (150) dB
131 (144) dB
7 dBV
1 dBV
128 dB
122 dB
84 dB
10 dB
7 dBV
1 dBV
127 dB
121 dB
84 dB