KSM109 Studio Instrument Microphone

The Shure KSM109 offers incredible performance, combining an extended frequency response for natural sound reproduction with a smooth high end and a tight, controlled low end. It is all the microphone you need for studio instrument recording.

Some typical applications for the KSM109 are listed below, but the microphone may be used for a variety of applications other than those listed.

• Acoustic instruments -- such as piano, guitar, drums, percussion, strings
• Wind instruments -- brass and woodwind
• Overhead miking -- drums or percussion
• Ensembles -- choral or orchestral
• Room ambiance pick-up -- guitar amplifier or drums

Both the acoustic environment and microphone placement strongly affect the sound obtained from miking a source. You may need to experiment with microphone placement and room treatments to achieve the best overall sound for each application.

The KSM109 combines an extended frequency response for natural sound reproduction with a smooth high end and a tight, controlled low end. It is all the microphone you need for studio instrument recording.  Cardioid, Condenser.

• A tight cardioid polar pattern
• Transformerless Class-A preamplifier circuitry design
• Outstanding transparency without crossover distortion
• An extended frequency response (20Hz to 20KHz)
• Natural reproduction of sound with a smooth high-end and a tight/controlled low-end
• Switchable 15dB Pad allows the input of a wider range of SPL sources

• KSM109/SL with windscreen and zippered carrying case.

Cartridge Type

Permanently Biased Condenser

 

Frequency Response

20­ to 20,000 Hz

  view larger

 

Directional Polar Pattern

Cardioid

 

Output Impedance

150 ohms (actual)

 

Attenuation Switch

0 dB or 15 dB attenuation

 

Phantom Power

48 Vdc +/- 4 Vdc (IEC­268­15/DIN 45 596), positive pins 2 and 3

 

Current Drain

5.2 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

24 mm (0.950 in.) diameter, 162 mm (6.375 in.) long;

195 grams (6.9 oz.)

 

Sensitivity (typical, at 1000 Hz; 1 Pa = 94 dB SPL)

-­41 dBV/Pa

 

Self­noise (typical, equivalent SPL;  A-weighted (IEC 651))

19 dB

 

Maximum SPL@ 1000 Hz

 

5000 ohms load (Attenuator on)

150 (165 dB)

2500 ohms load (Attenuator on)

144 (159) dB

1000 ohms load (Attenuator on)

139 (154 dB)

 

Output Clipping Level*

 

5000 ohms load

15 dBV

2500 ohms load

9 dBV

1000 ohms load

3 dBV

 

Dynamic Range (Attenuator On)

 

5000 ohms load

133 (136) dB

2500 ohms load

128 (130 dB)

1000 ohms load

122 (125) dB

 

Signal to Noise Ratio**

75 dB

 

*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 the difference between 94 dB SPL and equivalent SPL of self-noise A-weighted.

• FAQ's for KSM109
•  
• KSM Studio Mics