Universal Audio UA Bock 251

UA Bock 251 is a condenser microphone with a tube and large diaphragm, offering the smooth tone of the ELAM 251 microphone. It allows the selection between three polar patterns: omnidirectional, cardioid, and figure-8. The CK12 capsule and Cinemag transformer ensure exceptional sound quality.

The frequency response is between 10 Hz and 18 kHz, with a tolerance of ±2 dB, and the maximum sound pressure level is 118 dB SPL, with a total harmonic distortion of 1%. It is equipped with a NOS ECC85 tube and requires a UA Bock 251 PSU power supply, included.

• Microphone type: Tube condenser
• Mono/Stereo: Mono
• Polar pattern: Cardioid, Omnidirectional, Figure-8
• Diaphragm size: 1" (25.4 mm)
• Frequency response: 10 Hz - 18 kHz
• Max SPL: 118 dB at 1% THD
• Output impedance: 150 ohms
• Signal-to-noise ratio: 76dB
• Sensitivity: -34 dB (19 mV) referenced to 1V at 1 Pa, 1 kHz
• Self-noise: 18dB
• Tube: ECC85 New Old Stock
• Features: Polar pattern selector
• Colour: Green
• Power supply: External power supply (included)
• Connector: 5-pin XLR
• Dimensions: 50.8 x 215.9 mm
• Weight: 5443.1 g