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.
Features
- 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.
Specifications
- 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 (IEC-268-15/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
- Self-noise (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.