Shure

The KSM9 is a premium vocal condenser microphone that captures vocal subtlety with extraordinary detail to deliver clear articulation, functional flexibility and precise vocal reproduction for live performance.
Engineered to exacting standards, the KSM9 reveals nuance and subtlety in a microphone optimized for the most demanding live environments. With its dual diaphragm design and switchable polar patterns (supercardioid and cardioid), the KSM9 is the choice for the world’s most accomplished vocal performances.

Cartridge Type
Condenser (Electret Biased)

Frequency Response
50 to 20,000 Hz

Output Impedance
150 ohms (actual)

Phantom Power
48 Vdc +/- 4 Vdc (IEC-268-15/DIN 45 596), positive pins 2 and 3

Current Drain
5.2 mA typical at 48 Vdc

Common Mode Rejection
>60 dB, 50 Hz to 20 kHz

Polarity
Positive pressure on front diaphragm produces positive voltage on output pin 2 relative to pin 3

Directional Polar Patterns
Cardioid
Supercardioid

Sensitivity (typical; at 1000 Hz; 1 Pa=94 dB SPL)
-51 dBV/Pa

Self-noise (typical, equivalent SPL; A-weighted, IEC 651)
22 dB

Maximum SPL @ 1000 Hz
2500 ohm load: 152 dB
1000 ohm load: 152 dB

Output Clipping Level*
2500 ohm load: 6.7 dBV
1000 ohm load: 6.0 dBV
*100 Hz to 20 kHz;THD < 1% Dynamic Range
2500 ohm load: 130 dB
1000 ohm load: 130 dB

Signal to Noise ratio**
72 dB
**S/N ratio is difference between 94 dB SPL and equivalent SPL of self-noise A-weighted

Dimensions and Weight
49 mm (1 15/16 in.) maximum body diameter, 191 mm (7.5 in.) long; 300 grams (10.6 oz).