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From Our Research Team:

Shure Delivers the Ideal Kick Drum Mic!

For kick drums and other bass instruments, nothing compares to the Shure Beta 91. The Beta 91 condenser cartridge combines superior "attack" and "punch" for studio quality sound - even at the extremely high sound pressure levels encountered inside a kick drum. Its boundary effect design produces a strong, solid low-end response that has been specifically tailored for heavy bass applications. Its cardioid pattern provides outstanding gain before feedback and superior rejection of unwanted sound, making the Beta 91 ideal for live concert applications. What's more, the low-profile design of the Beta 91 eliminates the need for external mounting hardware.


Shure Beta 91 Kick Drum Microphone Features:

• Frequency response shaped specifically for kick drums and other instruments
  
• Wide dynamic range for use in high SPL environments
  
• Low-profile design requires no external mounting hardware
  
• Detachable cable for easy storage
  
• Legendary Shure quality, ruggedness, and reliability
  
• Type: Cardioid condenser (electret bias)
  
• Frequency Response: 20Hz-20kHz
  
• Polar Pattern: Half-cardioid (cardioid in hemisphere above mounting surface) Output Level (at 1,000 Hz): Open Circuit Voltage: -59 dBV/Pa* (1.1 mV) typical - *1 Pa = 94dB SPL
  
• Maximum SPL: (20Hz-20kHz, less than 1% THD), 2.5 kilohm load: 160dB, 1 kilohm load: 156dB
  
• Preamplifier Output Clipping Level: (20Hz-20kHz, less than 1% THD*), 2.5 kilohm load: 6 dBV (2.0 V), 1 kilohm load: 2 dBV (1.26 V)
  
• Dynamic Range: (20Hz-20kHz, less than 1% THD, 2.5 kilohm load), 125dB (max SPL minus A-weighted noise)
  
• Output Noise: 35dB SPL (typical), A-weighted
  Signal-to-Noise Ratio: 59dB re 94dB SPL
  
• Output Impedance: 150 ohms (actual)
  
• Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
  
• Power: Phantom Power: 48 Vdc +/- 4 Vdc, positive pins 2 and 3
  
• Electromagnetic Hum Pickup: -7.5dB equivalent SPL in 1 mOe field (60Hz)
  
• Cable: 4.6 m (15 ft) heavy-duty, two-conductor shielded, TA4F to TA3F connectors
  
• Case:
  matte black, painted, die-cast, zinc-alloy case with matte-black steel grille
  
• Dimensions:
  3.75" x 5.08" x 0.75"
  
• Net Weight
  13.5 oz less cable

Specification Detail Manufacturer Part Number BETA91