Universal Audio | Bock 251

POLAR PATTERN

Switchable Omnidirectional, Cardioid, and Figure-8

CAPSULE

1” diameter, Dual asymmetrical backplate, Dual diaphragm CK12 type

Tube

New Old Stock ECC85

Maximum SPL

118 dB SPL, 1% THD

ADJUSTABLE CONTROLS

Polar pattern selector

Frequency range

10 Hz - 18 kHz +/- 2 dB

Sensitivity

-34 dB (19 mV) ref 1V at 1 Pa, 1 kHz

Output impedance

150 Ohms

Recommended Load Impedance

> 1.2K Ohms

Dynamic Range

100 dB

Signal-to-Noise Ratio

76 dB

Power

UA Bock 251 PSU true linear, 115V (default) or 230V operation

Connectors

Tuchel (mic), 3-Pin XLR (power supply)