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Shure SM137-LC Cardioid Condenser Microphone


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$179.00 MSRP: $224.00 Save : $45.00 (20%)
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MSRP: $224.00 $179.00 Save : $45.00 (20%)
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The SM137 probe microphone is designed with an ultra-thin diaphragm for a frequency response that combines a smooth high-end with a tight, controlled low-end and a -15db pad for natural sound reproduction in both acoustic and high volume performance applications


•  Ultra-thin diaphragm for smooth high end and tight, controlled low end
•  15dB pad for performance consistency across a wider range of high SPL sources
•  Low self-noise and transformerless preamplifier circuitry


Cartridge Type

Permanently Biased Condenser

Frequency Response

20­ to 20,000 Hz

Directional Polar Pattern


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


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

Things You Will Get:

  • Microphone
  • Clip
  • Pouch


by PowerReviews
Series SM
Model SM137
More Info
Warranty Info:

SM137-LC Cardioid Condenser Microphone

Monitor mixers, personal monitors, phonograph, wireless: One year parts and labor Wired microphones: Two years parts and labor