Warm Audio WA-67, Large-Diaphragm Tube Condenser Microphone, Based on an EF86 pentode tube, Switchable polar pattern: cardioid, omnidirectional, figure eight, Replica of the K67 capsule, Frequency range: 20 - 20000 Hz, Switchable 80Hz high pass filter, Switchable -10db attenuation, Nominal impedance: 200Ohm, Nominal load impedance: 1kOhm, Equivalent noise level (A-weighted): 17dBa, Maximum SPL for THD 0.5%: 138dB, Signal-to-noise ratio (A-weighted): 78dB, Includes 7-pin Gotham cable, elastic suspension, microphone holder, power supply unit and wooden storage box