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Retail Price (MSRP): $374.00
$250.00 GET IT NOW !Specs:
- Cartridge Type
- Permanently Biased Condenser
- Frequency Response
- 20 to 20,000 Hz
- Directional Polar Pattern
- Cardioid
- Output Impedance
- 150 ohms (actual)
- Attenuation Switch
- 0 dB, 15 dB, or 25 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
- 20 mm (0.8 in.) diameter, 122 mm (4.8 in.) long
- 100 grams (3.5 oz.)
- Sensitivity (typical, at 1000 Hz; 1 Pa = 94 dB SPL)
- -37 dBV/Pa
- Self-noise (typical, equivalent SPL; A-weighted, IEC 651)
- 14 dB
- Maximum SPL at 1 kHz
- 5000 ohm load (Attenuator on): 145 (160, 170) dB
- 2500 ohm load (Attenuator on): 139 (154, 164) dB
- 1000 ohm load (Attenuator on): 134 (149, 159) dB
- Output Clipping Level*
- 5000 ohm load: 15 dBV
- 2500 ohm load: 9 dBV
- 1000 ohm load: 3 dBV
- *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
- Dynamic Range
- 5000 ohm load: 131 dB
- 2500 ohm load: 125 dB
- 1000 ohm load: 120 dB
- Signal to Noise Ratio**
- 80 dB
- **S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise A-weighted.
Description:
The KSM137 is an end-address condenser microphone with a single cardioid polar pattern. Designed for studio use, yet rugged enough for live applications, the KSM137 can withstand extremely high sound pressure levels (SPL). Its low self-noise and extended frequency response make it ideal for recording musical instruments.
Versatile, durable, and precise, the KSM137 is an outstanding microphone for instruments ranging from percussion to wind, strings to brass, and piano to guitar.
Features
* A highly consistent cardioid polar pattern
* Ultra-thin, 2.5 micron, 24 karat gold-layered, low mass Mylarý diaphragm for superior transient response
* Class A, discrete, transformerless preamplifier for transparency, extremely fast transient response, no crossover distortion, and minimal harmonic and intermodulation distortion
* Premium electronic components, including gold-plated internal and external connectors
* Subsonic filter eliminates low frequency rumble (less than 17 Hz) caused by mechanical vibration
* Switchable 15 dB pad for handling extremely high sound pressure levels (SPLs)
* Three-position switchable pad (0 dB, 15 dB, and 25 dB) for handling extremely high sound pressure levels (SPLs)
* Three-position switchable low-frequency filter reduces background noise and counteracts proximity effect
Performance Characteristics
* Extended frequency response
* Low self noise
* Exceptional reproduction of low-frequency sounds
* Can withstand high sound pressure levels (SPL)
* High output level
* No crossover distortion
* Uniform polar response
* Superior common mode rejection and suppression of radio frequency interference
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