Sanken CU-51

Sanken CU-51 Cardioid Microphone

The Sanken CU-51 is a cardioid condenser microphone featuring a unique twin-capsule design. One capsule is optimized for low frequencies and the other for high, delivering transparent and high-resolution sound across the full frequency range. Its stable polar response ensures natural tonality even when used off-axis.

Main Features

• Twin-capsule design for bass and treble
• Transparent, detailed, high-resolution sound
• Cardioid polar pattern remains stable across wide frequencies
• PPS diaphragm resists humidity and temperature changes
• Solid build with matte brown finish

Specifications

• Type: 2-way capsule DC biased condenser
• Polar pattern: Cardioid
• Frequency response: 20 Hz – 20 kHz
• Sensitivity (1 kHz): –30 dB (31.6 mV/Pa)
• Equivalent noise (A-weighted): 14 dB-A
• Max SPL (1% THD): 138 dB SPL
• Output impedance (1 kHz): 150 Ω
• Powering: +48 ± 4 V phantom
• Current consumption: 4 mA
• Dimensions: 157 × 41.5 mm (diameter)
• Weight: 430 g
• Connector: XLR-3-12M
• Finish: matte brown paint

Applications

• Studio recording of vocals and instruments
• Broadcast and voice-over
• Use in acoustically demanding environments

Included

• Sanken CU-51 Cardioid Microphone
• Shockmount
• Protective packaging