Sanken CU-51 – used

Dual-Diaphragm Cardioid Condenser Microphone


Sanken CU-51 – used

The Sanken CU-51 has a two-way capsule design for Bass and Treble which provides transparent and high-resolution sound acquisition, comfortably.

Provides ideal polar pattern at a wide frequency range. The frequency characteristic curve moves in parallel even after removing the microphone from the front axis direction.

PPS(Poly Phenylene Sulfide) which cannot be easily influenced by humidity and temperature change is used as a diaphragm of the capsule, resulting in a highly reliable microphone.


Directivity Cardioid
Transducer 2 way capsule DC biased condenser
Frequency range 20Hz – 20kHz
(nominal at 1kHz)
-30dB (31.6mV , 0dB=1V/Pa)
Equivalent noise level
Max SPL (1% THD) 138dB SPL
Output impedance
at 1KHz
150 ohms
Powering +48±4V phantom
Current consumption 4mA
Weight 430g
Dimensions 157mm X 41.5mm (diameter)
Surface finish matte brown paint
Connector XLR-3-12(M)


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