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Shure SM137 Condenser Instrument Microphone
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A versatile, flat-response mic for acoustic and high volume performance applications.
SM137 Condenser Instrument Microphone Specifications:
SM137 Condenser Microphone- Cartridge Type: Permanently Biased Condenser
- Frequency Response: 20 to 20,000Hz
- Directional Polar Pattern: Cardioid
- Output Impedance: 150? (actual)
- Attenuation Switch (0dB or 15dB 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: >50dB, 20Hz to 20kHz
- Polarity: Positive pressure on diaphragm produces positive voltage on output pin 2 relative to pin 3
- Dimensions: 24mm (0.950") diameter, 162mm (6.375") long
- Weight: 195g (6.9oz..)
- Sensitivity (typical, at 1000Hz; 1 Pa = 94dB SPL): -41dBV/Pa
- Self-noise (typical, equivalent SPL; A-weighted (IEC 651)): 19dB
- Maximum SPL@ 1000Hz:
- 5000? load (Attenuator on): 150 (165dB)
- 2500? load (Attenuator on): 144 (159)dB
- 1000? load (Attenuator on): 139 (154dB)
- Output Clipping Level*:
- 5000? load: 15dBV
- 2500? load: 9dBV>
- 1000? load: 3dBV
- *20Hz to 20kHz; THD < 1%. THD of the microphone preamplifier when applied input signal is equivalent to the cartridge output at specified SPL.
Dynamic Range (Attenuator On): - 5000? load: 133 (136)dB
- 2500? load: 128 (130dB)
- 1000? load: 122 (125)dB
- Signal to Noise Ratio**
- 75dB
- **S/N ratio is difference between 94dB SPL and equivalent SPL of self-noise A-weighted
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- Free Standard Ground shipping (48 contiguous states, some overweight and Used/Vintage items excluded).
- Orders placed before 3 p.m. ET usually ship the same business day.
Every guitar or bass you purchase from Musician's Friend (electric or acoustic, New or Open Box) includes two years of protection from manufacturer defects.
Our Gear Advisers are available to guide you through your entire shopping experience. Call or Chat for expert advice and to hear the latest deals.
