The Shure SM137 Cardioid Condenser Microphone is a professional instrument mic offers natural sound reproduction in both acoustic and high volume performance applications. It features a thin diaphragm, a Class-A preamplifier, pad for performance consistency, and low self-noise. The SM137 is ideal for the professional musician looking to mic up their instrument such as acoustic guitar, cymbals, strings, piano and many others, either in a live or recording environment. It uses an ultra-thin diaphragm for quick response, a very smooth high end, and tight bass. It has a transformerless design, low-noise operation and 15dB pad for high SPL sound sources.

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

• Type: Electret Condenser
• Frequency Response: 20 to 20,000 Hz
• Polar Pattern: Cardioid
• Output Impedance: 150 Ohm (Actual)
• Sensitivity (at 1 kHz, Open Circuit Voltage): -41 dBV/Pa
• Maximum SPL (1 kHz at 1% THD):
  • 1000 Ohm Load: 139 dB (154 dB, Pad On)
  • 2500 Ohm Load: 144 dB (159 dB, Pad On)
• Signal-To-Noise Ratio (Ref. 94 dB SPL at 1 kHz): 75 dB
• Dynamic Range (at 1 kHz):
  • 1000 Ohm Load: 120 dB
  • 2500 Ohm Load: 125 dB
• Common Mode Rejection (10 Hz to 100 kHz): > 50 dB
• Clipping Level (20 Hz to 20 kHz, at 1% THD):
  • 1000 Ohm Load: 3 dBV
  • 2500 Ohm Load: 9 dBV
• Self Noise (Typical, Equivalent SPL, A-weighted): 19 dB
• Attenuator Switch: -15 dB
• Polarity: Positive Pressure on Diaphragm Produces Positive Voltage on Pin 2 with Respect to Pin 3
• Net Weight: 195 g (6.9oz.)
• Connector: Three-pin Professional Audio (XLR), Male
• Power Requirements: 48 V DC Phantom Power, 5.2 mA

• 1 x Shure SM137 Microphone
• 1 x Swivel Adapter
• 1 x Zippered Pouch
• 2 Year Warranty